CN116837631A - Photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material and preparation method and application thereof - Google Patents
Photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material and preparation method and application thereof Download PDFInfo
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- CN116837631A CN116837631A CN202310619948.4A CN202310619948A CN116837631A CN 116837631 A CN116837631 A CN 116837631A CN 202310619948 A CN202310619948 A CN 202310619948A CN 116837631 A CN116837631 A CN 116837631A
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- 239000004744 fabric Substances 0.000 title claims abstract description 253
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 107
- 239000000463 material Substances 0.000 title claims abstract description 95
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 90
- 238000002207 thermal evaporation Methods 0.000 title claims abstract description 88
- 230000002195 synergetic effect Effects 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 16
- GDVKFRBCXAPAQJ-UHFFFAOYSA-A dialuminum;hexamagnesium;carbonate;hexadecahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Mg+2].[Al+3].[Al+3].[O-]C([O-])=O GDVKFRBCXAPAQJ-UHFFFAOYSA-A 0.000 claims abstract description 52
- 229960001545 hydrotalcite Drugs 0.000 claims abstract description 52
- 229910001701 hydrotalcite Inorganic materials 0.000 claims abstract description 52
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 42
- 238000011065 in-situ storage Methods 0.000 claims abstract description 41
- 238000006116 polymerization reaction Methods 0.000 claims abstract description 35
- 230000015556 catabolic process Effects 0.000 claims abstract description 26
- 238000006731 degradation reaction Methods 0.000 claims abstract description 26
- 238000000034 method Methods 0.000 claims abstract description 17
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- 238000001035 drying Methods 0.000 claims description 36
- 238000006243 chemical reaction Methods 0.000 claims description 34
- KAESVJOAVNADME-UHFFFAOYSA-N 1H-pyrrole Natural products C=1C=CNC=1 KAESVJOAVNADME-UHFFFAOYSA-N 0.000 claims description 28
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical group ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 20
- 230000001590 oxidative effect Effects 0.000 claims description 20
- 229920001495 poly(sodium acrylate) polymer Polymers 0.000 claims description 19
- NNMHYFLPFNGQFZ-UHFFFAOYSA-M sodium polyacrylate Chemical compound [Na+].[O-]C(=O)C=C NNMHYFLPFNGQFZ-UHFFFAOYSA-M 0.000 claims description 19
- 239000002904 solvent Substances 0.000 claims description 14
- 150000001875 compounds Chemical class 0.000 claims description 13
- 239000006185 dispersion Substances 0.000 claims description 13
- VYFYYTLLBUKUHU-UHFFFAOYSA-N dopamine Chemical compound NCCC1=CC=C(O)C(O)=C1 VYFYYTLLBUKUHU-UHFFFAOYSA-N 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 12
- IDGUHHHQCWSQLU-UHFFFAOYSA-N ethanol;hydrate Chemical compound O.CCO IDGUHHHQCWSQLU-UHFFFAOYSA-N 0.000 claims description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 10
- 238000011068 loading method Methods 0.000 claims description 10
- 230000001588 bifunctional effect Effects 0.000 claims description 9
- YCIMNLLNPGFGHC-UHFFFAOYSA-N catechol Chemical group OC1=CC=CC=C1O YCIMNLLNPGFGHC-UHFFFAOYSA-N 0.000 claims description 8
- 230000000737 periodic effect Effects 0.000 claims description 8
- UGKDIUIOSMUOAW-UHFFFAOYSA-N iron nickel Chemical compound [Fe].[Ni] UGKDIUIOSMUOAW-UHFFFAOYSA-N 0.000 claims description 7
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 claims description 6
- 229960003638 dopamine Drugs 0.000 claims description 6
- 230000009977 dual effect Effects 0.000 claims description 6
- FBAFATDZDUQKNH-UHFFFAOYSA-M iron chloride Chemical compound [Cl-].[Fe] FBAFATDZDUQKNH-UHFFFAOYSA-M 0.000 claims description 6
- 238000002791 soaking Methods 0.000 claims description 6
- 239000004753 textile Substances 0.000 claims description 6
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 5
- FQMNUIZEFUVPNU-UHFFFAOYSA-N cobalt iron Chemical compound [Fe].[Co].[Co] FQMNUIZEFUVPNU-UHFFFAOYSA-N 0.000 claims description 4
- KFZAUHNPPZCSCR-UHFFFAOYSA-N iron zinc Chemical compound [Fe].[Zn] KFZAUHNPPZCSCR-UHFFFAOYSA-N 0.000 claims description 4
- 230000003647 oxidation Effects 0.000 claims description 4
- 238000007254 oxidation reaction Methods 0.000 claims description 4
- 230000035484 reaction time Effects 0.000 claims description 4
- 238000000643 oven drying Methods 0.000 claims description 2
- 125000000168 pyrrolyl group Chemical group 0.000 claims description 2
- 230000001413 cellular effect Effects 0.000 claims 1
- 238000007598 dipping method Methods 0.000 claims 1
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims 1
- 230000008020 evaporation Effects 0.000 abstract description 32
- 238000001704 evaporation Methods 0.000 abstract description 32
- 230000003197 catalytic effect Effects 0.000 abstract description 16
- 239000002057 nanoflower Substances 0.000 abstract description 12
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- 230000008021 deposition Effects 0.000 abstract description 3
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- 229920001690 polydopamine Polymers 0.000 description 27
- 239000007853 buffer solution Substances 0.000 description 20
- QKNYBSVHEMOAJP-UHFFFAOYSA-N 2-amino-2-(hydroxymethyl)propane-1,3-diol;hydron;chloride Chemical group Cl.OCC(N)(CO)CO QKNYBSVHEMOAJP-UHFFFAOYSA-N 0.000 description 19
- 238000012360 testing method Methods 0.000 description 14
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 11
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 11
- 230000000052 comparative effect Effects 0.000 description 9
- 239000007864 aqueous solution Substances 0.000 description 8
- 238000002156 mixing Methods 0.000 description 8
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 8
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 7
- 229910000863 Ferronickel Inorganic materials 0.000 description 7
- 239000004745 nonwoven fabric Substances 0.000 description 7
- 229920006327 polystyrene foam Polymers 0.000 description 7
- 229940047670 sodium acrylate Drugs 0.000 description 7
- 239000004098 Tetracycline Substances 0.000 description 6
- 238000001000 micrograph Methods 0.000 description 6
- 239000000178 monomer Substances 0.000 description 6
- 229960002180 tetracycline Drugs 0.000 description 6
- 229930101283 tetracycline Natural products 0.000 description 6
- 235000019364 tetracycline Nutrition 0.000 description 6
- 150000003522 tetracyclines Chemical class 0.000 description 6
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- 231100000719 pollutant Toxicity 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
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- 230000009471 action Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
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- 239000003403 water pollutant Substances 0.000 description 2
- PHRRAJNHJRLVMX-UHFFFAOYSA-N 1-(1H-pyrrol-3-yl)pentan-1-one Chemical compound CCCCC(=O)C=1C=CNC=1 PHRRAJNHJRLVMX-UHFFFAOYSA-N 0.000 description 1
- CRGPDAFGMYENEW-UHFFFAOYSA-N 1-(1h-pyrrol-3-yl)dodecan-1-one Chemical compound CCCCCCCCCCCC(=O)C=1C=CNC=1 CRGPDAFGMYENEW-UHFFFAOYSA-N 0.000 description 1
- CTXUTPWZJZHRJC-UHFFFAOYSA-N 1-ethenylpyrrole Chemical compound C=CN1C=CC=C1 CTXUTPWZJZHRJC-UHFFFAOYSA-N 0.000 description 1
- RBTBFTRPCNLSDE-UHFFFAOYSA-N 3,7-bis(dimethylamino)phenothiazin-5-ium Chemical compound C1=CC(N(C)C)=CC2=[S+]C3=CC(N(C)C)=CC=C3N=C21 RBTBFTRPCNLSDE-UHFFFAOYSA-N 0.000 description 1
- WTDRDQBEARUVNC-LURJTMIESA-N L-DOPA Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-LURJTMIESA-N 0.000 description 1
- WTDRDQBEARUVNC-UHFFFAOYSA-N L-Dopa Natural products OC(=O)C(N)CC1=CC=C(O)C(O)=C1 WTDRDQBEARUVNC-UHFFFAOYSA-N 0.000 description 1
- 241000237536 Mytilus edulis Species 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- KIPLYOUQVMMOHB-MXWBXKMOSA-L [Ca++].CN(C)[C@H]1[C@@H]2[C@@H](O)[C@H]3C(=C([O-])[C@]2(O)C(=O)C(C(N)=O)=C1O)C(=O)c1c(O)cccc1[C@@]3(C)O.CN(C)[C@H]1[C@@H]2[C@@H](O)[C@H]3C(=C([O-])[C@]2(O)C(=O)C(C(N)=O)=C1O)C(=O)c1c(O)cccc1[C@@]3(C)O Chemical compound [Ca++].CN(C)[C@H]1[C@@H]2[C@@H](O)[C@H]3C(=C([O-])[C@]2(O)C(=O)C(C(N)=O)=C1O)C(=O)c1c(O)cccc1[C@@]3(C)O.CN(C)[C@H]1[C@@H]2[C@@H](O)[C@H]3C(=C([O-])[C@]2(O)C(=O)C(C(N)=O)=C1O)C(=O)c1c(O)cccc1[C@@]3(C)O KIPLYOUQVMMOHB-MXWBXKMOSA-L 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 125000003277 amino group Chemical group 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- -1 and meanwhile Substances 0.000 description 1
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- 229940088710 antibiotic agent Drugs 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 229920001940 conductive polymer Polymers 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
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- 238000010612 desalination reaction Methods 0.000 description 1
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- 238000009792 diffusion process Methods 0.000 description 1
- 230000009881 electrostatic interaction Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- LHGVFZTZFXWLCP-UHFFFAOYSA-N guaiacol Chemical compound COC1=CC=CC=C1O LHGVFZTZFXWLCP-UHFFFAOYSA-N 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
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- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 229960000907 methylthioninium chloride Drugs 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000020638 mussel Nutrition 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000033116 oxidation-reduction process Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229960003742 phenol Drugs 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 1
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- 239000002023 wood Substances 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/02—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides
- B01J31/06—Catalysts comprising hydrides, coordination complexes or organic compounds containing organic compounds or metal hydrides containing polymers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
- B01J31/28—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of the platinum group metals, iron group metals or copper
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
- C02F1/14—Treatment of water, waste water, or sewage by heating by distillation or evaporation using solar energy
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/44—Oxides or hydroxides of elements of Groups 2 or 12 of the Periodic System; Zincates; Cadmates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/49—Oxides or hydroxides of elements of Groups 8, 9, 10 or 18 of the Periodic System; Ferrates; Cobaltates; Nickelates; Ruthenates; Osmates; Rhodates; Iridates; Palladates; Platinates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/263—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated carboxylic acids; Salts or esters thereof
Abstract
The invention discloses a preparation method of a photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material, which is used for preparing the difunctional honeycomb fabric material with the photo-thermal evaporation and photocatalysis synergistic effect by in-situ polymerization of the photo-thermal material and in-situ deposition of a photocatalysis micro-nano particle material on the surface of a 3D honeycomb fabric. The photocatalysis micro-nano particle material is hydrotalcite with a nano flower layered structure and a larger specific surface area. The invention also provides a photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material and application thereof. The invention solves the key scientific and technical problems that the photo-thermal evaporation and the photo-catalytic performance can not effectively realize the function and structure coordination in the interface evaporation process, and the prepared double-functional honeycomb fabric material has excellent light absorption capacity and catalytic degradation capacity, realizes the coordination in structure and function, and has wide application prospect in the fields of solar photo-thermal water production and sewage degradation.
Description
Technical Field
The invention relates to the technical field of photo-thermal material engineering, in particular to a photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material and a preparation method and application thereof.
Background
The contradiction between population growth and fresh water shortage has become one of the most challenging problems in the twenty-first century. Estimates suggest that by 2025, the population living in water-deficient areas may increase to 39 million. Therefore, efficient development of fresh water resources has become an important research topic.
In recent years, solar energy is used as a renewable and clean energy source, has wide application in the aspects of sea water desalination, wastewater purification, large-scale power generation and the like, solar energy is absorbed and converted into heat energy through a photo-thermal material by a solar energy interface photo-thermal evaporation technology, the heat energy is concentrated on water surface, a water layer on the surface is heated, the water evaporation rate is improved, and an effective way is provided for solving the problem of shortage of fresh water resources worldwide.
Meanwhile, in the process of urban and industrialized development, the appearance of antibiotics and other novel organic matters in natural water environment is widely focused by society, and the durability, accumulation and mobility of the novel organic matters are more obvious, so that the treatment difficulty is far higher than that of the conventional pollutants. The photocatalysis technology is considered to be one of the most promising technologies for solving the water pollution problem due to the high energy clean catalysis efficiency.
Current research on photo-thermal evaporation and photocatalysis is mainly focused on improving photo-thermal evaporation efficiency or photocatalysis performance. The invention patent application with publication number of CN 115710821A discloses a photo-thermal conversion textile, a preparation method and application thereof. The invention grafts the intermediate monomer on the textile substrate by grafting polymerization method for the modified textile with functional monomer, and makes the functional monomer and the intermediate monomer perform in-situ polymerization reaction by in-situ oxidation-reduction modification to obtain the photo-thermal conversion textile. However, the photo-thermal conversion textile obtained by the method does not have a photo-catalytic degradation function.
The invention patent application publication No. CN 115159606A discloses a MOF derived metal oxide/C composite material which has both photo-thermal water evaporation and catalytic degradation functions, but does not achieve synergy on the absorption evaporator. The invention patent application with publication number of CN 115745050A discloses a delignified wood sewage treatment material with an upper photo-thermal layer and a lower photo-catalytic layer, and the material has photo-thermal evaporation and photo-catalytic properties at the same time, but the invention does not show the synergistic effect of the two.
Therefore, how to explore the interaction relationship between the photo-thermal evaporation material and the photo-catalytic material through the development and reasonable structural design of the functional material, and clarify the cooperative mechanism between the photo-thermal evaporation material and the photo-catalytic material, so as to realize efficient functional integration is still challenging. Thus, a new approach was developed that enables the photothermal evaporation material and the photocatalytic material to achieve efficient functional and structural synergy. The advantages of the material are fully exerted, and the material is very important to realizing continuous, stable and efficient solar interface photo-thermal evaporation application.
Disclosure of Invention
In order to solve the problems, the invention provides a preparation method of a photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material. According to the method, the photo-thermal material in-situ polymerization and the photo-catalytic micro-nano particle material are respectively deposited on the surface of the 3D honeycomb fabric in situ, so that the double-function honeycomb fabric material with photo-thermal evaporation and photo-catalytic synergy is obtained. The method is simple, can realize large-area continuous preparation, has low requirements on equipment and environment, and has wide industrial application prospect.
A preparation method of a photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material comprises the following steps:
(1) Ultrasonic treating honeycomb fabric with ethanol water solution, soaking in catechol group-containing compound solution, performing in-situ self-polymerization reaction, and oven drying to obtain honeycomb fabric A;
(2) Immersing the honeycomb fabric A in an oxidizing solution, then immersing the honeycomb fabric A in a compound solution with photo-thermal conversion performance, carrying out in-situ oxidative polymerization reaction, and drying to obtain a honeycomb fabric B;
(3) And (3) immersing the honeycomb fabric B in a sodium polyacrylate solution, drying to obtain the honeycomb fabric B immersed with the sodium polyacrylate solution, then depositing the nanoparticle dispersion liquid with the photocatalytic performance on the honeycomb fabric B immersed with the sodium polyacrylate solution in situ, and drying to obtain the bifunctional honeycomb fabric material with the synergy of photo-thermal evaporation and photocatalysis.
According to the invention, the 3D honeycomb fabric is used as a carrier, and photo-thermal material in-situ polymerization and photo-catalytic micro-nano particle material in-situ deposition are respectively carried out on the 3D honeycomb fabric to prepare the dual-functional honeycomb fabric material with photo-thermal evaporation and photo-catalytic synergy. The 3D honeycomb fabric has a periodic concave array structure, light capturing and recycling of convection heat and radiant heat can be achieved, meanwhile, the selected photocatalysis micro-nano particle material has a micro-nano flower layered structure and a larger specific surface area, light is reflected and absorbed again on the surface of the fabric, so that energy loss is minimized, and light absorption capacity is further improved. The 3D honeycomb fabric with the periodic concave array structure and the photocatalysis micro-nano particles with the micro-nano flower layered structure are structurally cooperated, so that the photo-thermal evaporation and photocatalysis cooperated difunctional honeycomb fabric material prepared by the invention has excellent light absorption capacity, and structural cooperations are realized.
The selected photocatalysis micro-nano particle material has strong degradation effect on water pollutants, and simultaneously the photocatalysis micro-nano particle material generates photo-generated carriers under the irradiation of light, and the excellent light absorption capability generated by the cooperation of the concave surface array of the 3D honeycomb fabric and the photocatalysis micro-nano particles with the micro-nano flower layered structure can provide kinetic energy for the transmission of the photo-generated carriers, further generates superoxide radicals and hydroxyl radicals under the action of the water, and further promotes the photocatalysis degradation of pollution components. The photocatalytic degradation effect of the photocatalytic micro-nano particle material body is synergistic with the photocatalytic degradation effect of the photo-generated carriers generated under illumination on the water body, so that the prepared double-function honeycomb fabric material has excellent photocatalytic degradation capability. Under the irradiation of sunlight, the water is evaporated by generating heat through the photo-thermal conversion surface of the fabric, and meanwhile, organic pollutants are conveyed to the fabric along with water to carry out photo-thermal catalytic degradation, so that the degradation of the organic pollutants in the organic polluted water and the acquisition of clean water are realized.
Preferably, in the step (1), the honeycomb fabric is a 3D honeycomb fabric, and has a periodic concave array structure with a side length of 10 x 8mm and a depth of 8 mm.
The 3D honeycomb fabric selected by the invention has large specific surface area, high porosity, high-efficiency water transmission and good air permeability, and is beneficial to effective diffusion of steam. In addition, the periodic concave array structure on the surface of the 3D honeycomb fabric can realize multiple reflection of light, has excellent light absorption capacity, and meanwhile, the integrated structure of the 3D honeycomb fabric is stable, so that the subsequent regulation and control of the loading degree of the photocatalysis micro-nano particles on the surface of the honeycomb fabric material structure is facilitated, and the photocatalysis capacity of the micro-nano material is further improved.
Preferably, in the step (1), the volume ratio of ethanol to water in the ethanol aqueous solution is 1:1-3:1, and the ultrasonic treatment time is 30min-1h.
Preferably, in the step (1), the solute in the catechol group-containing compound solution is one of o-methoxyphenol, 3, 4-dihydroxyphenylalanine, dopamine and derivatives thereof, and the solvent is a Tris-HCl buffer solution (Tris-HCl buffer solution), and the PH of the Tris-HCl buffer solution is 8-8.5.
Preferably, in the step (1), the concentration of the catechol group-containing compound solution is 1 to 100mmol/L.
More preferably, in the step (1), the solute in the solution of the catechol group-containing compound is dopamine, and the concentration of the solution of dopamine is 1-100mmol/L.
Preferably, in the step (1), the time of the in-situ self-polymerization reaction is 3-12h.
Dopamine is a key functional element of adhesion proteins secreted by mussels and other marine organisms, can be polymerized on almost any surface to form a polydopamine layer, contains abundant catechol and amine functional groups, can have strong adhesive force on the surface of a fabric as an adhesive, can enhance the binding force between a photothermal material and the fabric, and improves the stability of the photothermal material on a substrate.
Preferably, in the step (2), the oxidizing solution is one or two of ferric chloride solution and ammonium persulfate solution.
Preferably, in the step (2), the concentration of the oxidizing solution is 0.1-1mol/L, and the soaking time of the honeycomb fabric A in the oxidizing solution is 30min-1h.
More preferably, in the step (2), the oxidizing solution is an iron chloride solution, the concentration of the iron chloride solution is 0.1-1mol/L, and the soaking time of the honeycomb fabric A in the iron chloride solution is 30min-1h.
The honeycomb fabric A is immersed in ferric chloride solution, ferric chloride is used as an oxidant, and a subsequent compound monomer capable of initiating photo-thermal conversion performance is subjected to in-situ oxidative polymerization on the surface of the fabric, so that the honeycomb fabric B is prepared.
Preferably, in the step (2), the solute in the compound solution with photo-thermal conversion performance is one of pyrrole, N-vinyl pyrrole, 3-pentanoyl pyrrole or 3-dodecanoyl pyrrole, and the solvent is one of chloroform or dichloromethane.
Preferably, the concentration of the compound solution with the light-heat conversion property is 0.1-1mol/L.
More preferably, in the step (2), the solute in the compound solution with the photo-thermal conversion performance is pyrrole, the solvent is chloroform, and the concentration of the pyrrole solution is 0.1-1mol/L.
Preferably, in the step (2), the temperature of the in-situ oxidation polymerization reaction is 10-30 ℃ and the time is 2-6h.
Pyrrole monomers undergo in-situ oxidation polymerization reaction on the surface of the fabric to generate polypyrrole, and the polypyrrole is used as a black conductive polymer, has stable structure, excellent light absorption capacity and excellent photo-thermal conversion capacity in the full spectrum range, can convert incident photons into heat through non-radiative relaxation and molecular vibration, has controllable structure and can be stably combined with a substrate material.
Preferably, in the step (3), the concentration of the sodium polyacrylate solution is 0.1-2g/L.
Preferably, in the step (3), the soaking temperature is 10-30 ℃ and the time is 5-10min.
Preferably, in the step (3), the nanoparticle dispersion liquid with photocatalytic performance is a hydrotalcite dispersion liquid, hydrotalcite in the hydrotalcite dispersion liquid is one of nickel-iron hydrotalcite, cobalt-iron hydrotalcite or zinc-iron hydrotalcite, and the solvent is one or more of water, ethanol, ethylene glycol or glycerol.
Hydrotalcite is used as a layered double hydroxide, and is widely applied to the fields of catalysis and the like due to the characteristics of adjustable structural composition, large specific surface area, stable chemical property and the like, and sodium polyacrylate can better combine hydrotalcite with a substrate material through electrostatic interaction.
Preferably, in the step (3), the concentration of the hydrotalcite dispersion is 1-5mg/mL.
More preferably, in the step (3), the hydrotalcite in the hydrotalcite dispersion liquid is ferronickel hydrotalcite, the solvent is water, and the concentration of the ferronickel hydrotalcite dispersion liquid is 1-5mg/mL.
Preferably, the hydrotalcite in the hydrotalcite dispersion liquid has a shape of a rod, a sphere or a fiber. To increase the surface area, more preferably, the hydrotalcite has a spherical morphology.
Preferably, in the step (3), the hydrotalcite loading amount on the bifunctional honeycomb fabric material with the synergy of photo-thermal evaporation and photocatalysis is 5-25mg.
More preferably, in the step (3), the loading amount of hydrotalcite on the bifunctional honeycomb fabric material with the synergy of photo-thermal evaporation and photocatalysis is 15-20mg. The hydrotalcite-loaded bifunctional honeycomb fabric has high photo-thermal evaporation rate and pollutant degradation capacity.
Preferably, in the steps (1) - (3), the drying temperature is 30-70 ℃ and the time is 1-3h.
The invention also provides a photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material prepared by the preparation method. The dual-functional honeycomb fabric material with the synergistic effect of photo-thermal evaporation and photocatalysis has a periodic concave array structure, and the material with the photo-thermal conversion performance and the photocatalysis performance is loaded on the material, so that multiple reflection of light can be realized, and the material has excellent light absorption capacity and photocatalytic degradation capacity.
Preferably, the dual-functional honeycomb fabric material with the synergistic effect of photo-thermal evaporation and photocatalysis has a periodic concave array structure with side length of 10 x 8mm and depth of 8 mm. The double-function honeycomb fabric material with the synergistic photo-thermal evaporation and photocatalysis can realize multiple reflection of light, and further improve light absorption capacity.
The invention also provides application of the photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material in the fields of solar photo-thermal water production and sewage degradation. The photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material has excellent photo-absorption capacity and photo-catalytic degradation capacity, and has good application prospects in the fields of solar photo-thermal water production and sewage degradation.
The dual-functional honeycomb fabric material with the synergistic effect of photo-thermal evaporation and photocatalysis has a wide spectral absorption range (250 nm-2500 nm), light absorbance of more than 96%, photo-thermal conversion performance of more than 90%, and water evaporation rate of not less than 1.85 kg/(m) 2 * h) The method has wide application prospect in the field of solar photo-thermal water production.
The photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material has a catalytic degradation rate of more than 90% for various water pollutants, and is suitable for the field of sewage degradation.
Preferably, the photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material is applied to one or more mixed systems for degrading tetracycline, terramycin, methylene blue, phenol and rhodamine.
Compared with the prior art, the invention has the beneficial effects that:
(1) The invention provides a preparation method of a photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material. The method prepares the double-function honeycomb fabric material with the synergy of photo-thermal evaporation and photocatalysis by in-situ polymerization of the photo-thermal material and in-situ deposition of the photo-catalytic micro-nano particle material on the surface of the 3D self-supporting honeycomb fabric. The invention solves the key scientific and technical problems that the photo-thermal evaporation and the photocatalysis performance can not effectively realize the function and structure coordination in the interface evaporation process, and provides an effective solving way for the stable continuous solar photo-thermal water production of the actual complex water body. The method is simple, can realize large-area continuous preparation, has low requirements on equipment and environment, and has wide industrial application prospect.
(2) The photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material prepared by the invention realizes multiple reflection and absorption of light through the periodic concave array structure of the honeycomb fabric and the hydrotalcite microscopic nanoflower layered structure, and realizes the minimization of energy loss, so that the prepared photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material can carry out excellent capturing and absorption of light, has a wide spectral absorption range (250 nm-2500 nm), has a light absorbance of more than 96%, a photo-thermal conversion performance of more than 90%, and has an evaporation rate of water of not less than 1.85 kg/(m) 2 * h) Provides powerful conditions for obtaining actual fresh water resources, and has wide application prospect in the field of solar photo-thermal water production.
(3) The hydrotalcite in the prepared photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material generates photo-generated carriers under the irradiation of light, and meanwhile, the excellent photo-absorption capacity of the photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material provides kinetic energy for the transmission of the photo-generated carriers, and further generates superoxide radicals and hydroxyl radicals through the action of the photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material with water, and the hydrotalcite is synergistic with the catalytic degradation of the hydrotalcite, so that the dual-functional honeycomb fabric material has excellent photo-catalytic performance and realizes the photo-catalytic degradation of various pollution components. The photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material has a catalytic degradation rate of more than 90% for various pollutants, and has a good application prospect in the field of sewage degradation.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a digital representation of the different honeycomb fabrics of example 1, wherein FIG. 1a is a digital representation of the original honeycomb fabric; FIG. 1b is a digital representation of a polydopamine honeycomb; FIG. 1c is a digital representation of a polypyrrole honeycomb; fig. 1d is a digital representation of a dual function honeycomb material combining photo-thermal evaporation and photocatalysis.
FIG. 2 is a scanning electron microscope image of a different honeycomb fabric of example 1, wherein FIG. 2a is a scanning electron microscope image of the original honeycomb fabric; FIG. 2b is a scanning electron microscope image of a polydopamine honeycomb; FIG. 2c is a scanning electron microscope image of a polypyrrole honeycomb; fig. 2d is a scanning electron microscope image of a dual function honeycomb material combining photo-thermal evaporation and photocatalysis.
FIG. 3 is a graph showing the contact angle of the different honeycomb fabrics in example 1, wherein FIG. 3a is a graph showing the contact angle of the honeycomb fabrics; fig. 3b is a graph of contact angle measurements of a bi-functional honeycomb material combining photo-thermal evaporation and photocatalysis.
Fig. 4 is an ultraviolet-visible-infrared spectrum of the honeycomb fabric of example 1 and a dual-function honeycomb fabric material with a combination of photo-thermal evaporation and photocatalysis.
Fig. 5 is a fourier infrared plot of the honeycomb of example 1 and a bi-functional honeycomb material with a combination of photo-thermal evaporation and photo-catalysis.
Fig. 6 is a graph of water evaporation mass versus time for the dual functional honeycomb materials of example 1 and example 3, which were co-ordinated by photo-thermal evaporation and photo-catalysis, at different nickel iron hydrotalcite loadings.
Fig. 7 is a graph of the catalytic degradation rate of the photo-thermal evaporation and photo-catalysis synergistic dual function honeycomb fabric materials of different nickel iron hydrotalcite loadings in example 1 and example 3.
Fig. 8 is a graph showing the water evaporation quality of the different honeycomb fabrics of example 2, comparative example 1 and comparative example 2 with time.
Detailed Description
In view of the shortcomings of the prior art, the inventor of the present application has long studied and put forward a great deal of practice, and the technical solution of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
The steps for preparing the photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material in the embodiment of the invention are as follows:
(1) Ultrasonic treating the honeycomb fabric with ethanol water solution, immersing in a buffer solution of dopamine-tris-hydroxymethyl aminomethane-hydrochloric acid, carrying out in-situ self-polymerization reaction, and drying to obtain a honeycomb fabric A, namely a polydopamine honeycomb fabric;
(2) Immersing the polydopamine honeycomb fabric in ferric chloride solution, then immersing in pyrrole solution, carrying out in-situ oxidative polymerization reaction, and drying to obtain a honeycomb fabric B, namely polypyrrole honeycomb fabric;
(3) And (3) immersing the polypyrrole honeycomb fabric in a sodium polyacrylate solution, then drying in an oven to obtain the polypyrrole honeycomb fabric immersed with sodium polyacrylate, depositing the hydrotalcite nano-flower aqueous solution on the polypyrrole honeycomb fabric immersed with the sodium polyacrylate solution in situ, and drying to obtain the photo-thermal evaporation and photocatalysis synergistic dual-function honeycomb fabric material.
Example 1
The preparation steps of the dual-function honeycomb fabric material with the synergy of photo-thermal evaporation and photocatalysis in the embodiment are as follows:
(1) Firstly, preparing a Tris-HCl solution with the concentration of 0.1mol/L, taking water, carrying out constant volume ultrasonic mixing uniformly, and obtaining the Tris-HCl buffer solution with the pH of 8.5. Ultrasonic treating the honeycomb fabric with ethanol water solution with the volume ratio of 1:1 for 30min, immersing the honeycomb fabric in dopamine-Tris-HCl buffer solution with the volume ratio of 10mmo/L, carrying out in-situ self-polymerization reaction for 12h, taking out the honeycomb fabric after the reaction is finished, and drying the honeycomb fabric in an oven at 60 ℃ for 1h to obtain the polydopamine honeycomb fabric.
(2) And (3) immersing the polydopamine honeycomb fabric in 0.5mol/L ferric chloride solution for 30min, immersing in 0.2mol/L pyrrole solution with chloroform as a solvent, carrying out in-situ oxidative polymerization for 3h, taking out the honeycomb fabric after the reaction is finished, and drying in a 60 ℃ oven for 1h to obtain the polypyrrole honeycomb fabric.
(3) Immersing the polypyrrole honeycomb fabric in 1g/L sodium polyacrylate solution for 5min, drying to obtain the polypyrrole honeycomb fabric immersed with the sodium polyacrylate solution, spraying the 5mg/ml ferronickel hydrotalcite nano-flower aqueous solution containing 4ml on the polypyrrole honeycomb fabric immersed with the sodium acrylate solution, and placing the polypyrrole honeycomb fabric in a 60 ℃ oven for drying for 1h to obtain the photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material.
And carrying out characterization test on the microcosmic appearance, contact angle, absorbance, evaporation performance and catalytic performance of the obtained photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material. Fig. 1a, fig. 1b, fig. 1c and fig. 1d are digital diagrams of a honeycomb fabric, a polydopamine honeycomb fabric, a polypyrrole honeycomb fabric and a dual-functional honeycomb fabric with cooperative photo-thermal evaporation and photocatalysis according to the present embodiment, respectively, and it can be seen that the four kinds of fabrics have obvious color changes on a macroscopic scale, the honeycomb fabric is white, the polydopamine honeycomb fabric is yellow, the polypyrrole honeycomb fabric is black, and the dual-functional honeycomb fabric with cooperative photo-thermal evaporation and photocatalysis is still black.
Fig. 2a, 2b, 2c and 2d are scanning electron microscope images of the honeycomb fabric, polydopamine honeycomb fabric, polypyrrole honeycomb fabric, and dual-function honeycomb fabric with photo-thermal evaporation and photocatalysis synergy, respectively, of the present embodiment. It can be seen that the surface of the honeycomb fabric is smooth, the surfaces of the polydopamine honeycomb fabric are uniformly polymerized, the surfaces of the polypyrrole fabric are uniformly polymerized, the surface roughness is increased, and hydrotalcite on the surface of the double-function honeycomb fabric with the cooperation of photo-thermal evaporation and photocatalysis is uniformly dispersed.
Fig. 3a is a contact angle test chart of the honeycomb fabric of this embodiment, and fig. 3b is a contact angle test chart of the dual-functional honeycomb fabric with photo-thermal evaporation and photocatalysis cooperation prepared in this embodiment, as can be seen from fig. 3a and fig. 3b, the hydrophilic dual-functional honeycomb fabric with photo-thermal evaporation and photocatalysis cooperation is prepared from the hydrophobic honeycomb fabric by the method of this embodiment.
Fig. 4 is an ultraviolet-visible-infrared spectrum of the photo-thermal evaporation and photocatalysis cooperative bifunctional honeycomb fabric prepared in this example, and as can be seen from fig. 4, the absorbance of the photo-thermal evaporation and photocatalysis cooperative bifunctional honeycomb fabric prepared in this example is 96%. Fig. 5 is a fourier infrared chart of the photo-thermal evaporation and photocatalysis synergistic dual-function honeycomb fabric prepared in this example, and as can be seen from fig. 5, the photo-thermal evaporation and photocatalysis synergistic dual-function honeycomb fabric prepared in this example has an infrared emissivity of 98%, and the photo-thermal conversion efficiency is calculated to be 92.87%.
Fig. 6 is a graph showing the water evaporation quality of the photo-thermal evaporation and photo-catalysis synergistic dual-function honeycomb fabric prepared in this example over time. Specifically, the photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric prepared by the implementation is placed on a polystyrene foam wrapped by hydrophilic non-woven fabric, a photo-thermal evaporator is constructed, the photo-thermal evaporator is placed on an electronic balance, the fabric is subjected to evaporation test, and the evaporation rate is 2.01 kg/(m) under the irradiation of the sun 2 *h)。
FIG. 7 is a graph showing the catalytic degradation rate of tetracycline by the dual-function honeycomb fabric prepared in this example and combining photo-thermal evaporation and photocatalysis. And (3) carrying out catalytic degradation test on the tetracycline, wherein the catalytic degradation rate is 91.7% under the irradiation of one sun.
Example 2
(1) Firstly, preparing a Tris-HCl solution with the concentration of 0.1mol/L, taking water, carrying out constant volume ultrasonic mixing uniformly, and obtaining the Tris-HCl buffer solution with the pH of 8.5. Ultrasonic treating the honeycomb fabric with ethanol water solution with the volume ratio of 1:1 for 30min, immersing the honeycomb fabric in dopamine-Tris-HCl buffer solution with the volume ratio of 10mmo/L, carrying out in-situ self-polymerization reaction for 12h, taking out the honeycomb fabric after the reaction is finished, and drying the honeycomb fabric in an oven at 60 ℃ for 1h to obtain the polydopamine honeycomb fabric.
(2) Immersing the polydopamine honeycomb fabric in 0.5mol/L ferric chloride solution for 30min, immersing in 0.2mol/L pyrrole solution with chloroform as a solvent, and carrying out in-situ oxidation polymerization reaction for 30min, 1h, 2h, 3h, 6h, 12h and 24h respectively, taking out the honeycomb fabric after the reaction is finished, and drying in a 60 ℃ oven for 1h to obtain the polypyrrole honeycomb fabric.
This example examined the effect of different in situ oxidative polymerization times on the water evaporation quality of polypyrrole honeycomb. The prepared polypyrrole honeycomb fabric is placed on polystyrene foam wrapped by hydrophilic non-woven fabric, a photo-thermal evaporator is constructed, the fabric is placed on an electronic balance, and the evaporation test is carried out on the fabric, wherein the evaporation rates reach 1.40, 1.52, 1.70, 1.74, 1.71, 1.67 and 1.63 kg/(m) under the irradiation of sunlight 2 * h) This is because the pyrrole is homogeneously polymerized with a suitable reaction time (2 h, 3h, 6 h), too short a reaction time (30 min, 1 h) results in incomplete reaction, and too long a reaction time (12 h, 24 h) results in plaque shedding.
The evaporation rate of the polypyrrole honeycomb fabric prepared in this example at an oxidative polymerization time of 3 hours (1.74 kg/(m) 2 * h) Far lower than the photo-thermal evaporation and photo-catalysis synergistic dual function honeycomb fabric prepared in example 1 (2.01 kg/(m) 2 * h) The addition of the ferronickel hydrotalcite nanoflower aqueous solution improves the evaporation rate of the honeycomb fabric, and confirms that the ferronickel hydrotalcite and the honeycomb fabric have a synergistic effect on the structure.
Example 3
(1) Firstly, preparing a Tris-HCl solution with the concentration of 0.1mol/L, taking water, carrying out constant volume ultrasonic mixing uniformly, and obtaining the Tris-HCl buffer solution with the pH of 8.5. Ultrasonic treating the honeycomb fabric with ethanol water solution with the volume ratio of 1:1 for 30min, immersing the honeycomb fabric in dopamine-Tris-HCl buffer solution with the volume ratio of 10mmo/L, carrying out in-situ self-polymerization reaction for 12h, taking out the honeycomb fabric after the reaction is finished, and drying the honeycomb fabric in an oven at 60 ℃ for 1h to obtain the polydopamine honeycomb fabric.
(2) And (3) immersing the polydopamine honeycomb fabric in 0.5mol/L ferric chloride solution for 30min, immersing in 0.2mol/L pyrrole solution with chloroform as a solvent, carrying out in-situ oxidative polymerization for 3h, taking out the honeycomb fabric after the reaction is finished, and drying in a 60 ℃ oven for 1h to obtain the polypyrrole honeycomb fabric.
(3) Immersing the polypyrrole honeycomb fabric in 1g/L sodium polyacrylate solution for 5min, drying to obtain the polypyrrole honeycomb fabric immersed with the sodium acrylate solution, respectively spraying aqueous solutions containing 0mg, 5mg, 10mg, 15mg, 20mg and 25mg of ferronickel hydrotalcite nanoflower on the polypyrrole honeycomb fabric immersed with the sodium acrylate solution, and drying in a 60 ℃ oven for 1h to obtain the photo-thermal evaporation and photocatalysis synergistic dual-function honeycomb fabric material.
The photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric prepared in the embodiment is placed on a polystyrene foam wrapped by hydrophilic non-woven fabric, a photo-thermal evaporator is constructed, the fabric is placed on an electronic balance, evaporation test is carried out on the fabric, and the evaporation rates of the photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric prepared in the embodiment are respectively 1.74, 1.86, 1.89, 2.00, 2.01 and 1.96 kg/(m) as shown in figure 6 2 * h) The water evaporation quality is increased and then reduced along with the increase of the nickel-iron hydrotalcite loading, and the water evaporation quality is increased and then reduced along with the increase of the nickel-iron hydrotalcite loading, so that the roughness of the fabric surface can be increased by loading a proper amount of hydrotalcite, and the heat convection and radiation heat loss can be effectively recovered, thereby improving the photo-thermal conversion efficiency and the photo-thermal evaporation rate and realizing the performance improvement. The photocatalytic degradation test was performed on a bifunctional honeycomb fabric with synergy of photo-thermal evaporation and photocatalysis of nickel-iron hydrotalcite loaded with 10mg, 15mg and 20mg, and in this example, tetracycline is taken as an example, and the catalytic degradation rates of the obtained bifunctional honeycomb fabric with synergy of photo-thermal evaporation and photocatalysis are shown in fig. 7, respectivelyThe dual-functional honeycomb fabric with the combined photo-thermal evaporation and photocatalysis of the hydrotalcite loading amount of 76.6 percent, 82.7 percent and 91.7 percent and 15-20mg achieves excellent pollutant degradation capability while having high evaporation efficiency.
Example 4
(1) Firstly, preparing a Tris-HCl solution with the concentration of 0.1mol/L, taking water, carrying out constant volume ultrasonic mixing uniformly, and obtaining the Tris-HCl buffer solution with the pH of 8.5. Ultrasonic treating the honeycomb fabric with ethanol water solution with the volume ratio of 1:1 for 30min, immersing the honeycomb fabric in dopamine-Tris-HCl buffer solution with the volume ratio of 10mmo/L, carrying out in-situ self-polymerization reaction for 12h, taking out the honeycomb fabric after the reaction is finished, and drying the honeycomb fabric in an oven at 60 ℃ for 1h to obtain the polydopamine honeycomb fabric.
(2) And (3) immersing the polydopamine honeycomb fabric in 0.5mol/L ferric chloride solution for 30min, immersing in 0.2mol/L pyrrole solution with chloroform as a solvent, carrying out in-situ oxidative polymerization for 3h, taking out the honeycomb fabric after the reaction is finished, and drying in a 60 ℃ oven for 1h to obtain the polypyrrole honeycomb fabric.
(3) Immersing the polypyrrole honeycomb fabric in 1g/L sodium polyacrylate solution for 5min, drying to obtain the polypyrrole honeycomb fabric immersed with the sodium acrylate solution, spraying 5mg/ml cobalt iron hydrotalcite nano flower aqueous solution containing 4ml on the polypyrrole honeycomb fabric immersed with the sodium acrylate solution, and placing the polypyrrole honeycomb fabric in a 60 ℃ oven for drying for 1h to obtain the photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material.
In the embodiment, cobalt-iron hydrotalcite is adopted to prepare the photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material. The fabric prepared in this example was put on a polystyrene foam wrapped with a hydrophilic nonwoven fabric to construct a photo-thermal evaporator, put on an electronic balance, and subjected to evaporation test at an evaporation rate of 1.97 kg/(m) under one sun light 2 * h) The method comprises the steps of carrying out a first treatment on the surface of the And (3) carrying out catalytic degradation test on the tetracycline, wherein the catalytic degradation rate is 90.3% under the irradiation of one sun.
Example 5
(1) Firstly, preparing a Tris-HCl solution with the concentration of 0.1mol/L, taking water, carrying out constant volume ultrasonic mixing uniformly, and obtaining the Tris-HCl buffer solution with the pH of 8.5. Ultrasonic treating the honeycomb fabric with ethanol water solution with the volume ratio of 1:1 for 30min, immersing the honeycomb fabric in dopamine-Tris-HCl buffer solution with the volume ratio of 10mmo/L, carrying out in-situ self-polymerization reaction for 12h, taking out the honeycomb fabric after the reaction is finished, and drying the honeycomb fabric in an oven at 60 ℃ for 1h to obtain the polydopamine honeycomb fabric.
(2) And (3) immersing the polydopamine honeycomb fabric in 0.5mol/L ferric chloride solution for 30min, immersing in 0.2mol/L pyrrole solution with chloroform as a solvent, carrying out in-situ oxidative polymerization for 3h, taking out the honeycomb fabric after the reaction is finished, and drying in a 60 ℃ oven for 1h to obtain the polypyrrole honeycomb fabric.
(3) Immersing the polypyrrole honeycomb fabric in 1g/L sodium polyacrylate solution for 5min, drying to obtain the polypyrrole honeycomb fabric immersed with the sodium acrylate solution, spraying a 5mg/ml zinc-iron hydrotalcite nano flower aqueous solution containing 4ml on the polypyrrole honeycomb fabric immersed with the sodium acrylate solution, and placing the polypyrrole honeycomb fabric in a 60 ℃ oven for drying for 1h to obtain the photo-thermal evaporation and photocatalysis synergistic dual-function honeycomb fabric material.
The embodiment adopts zinc-iron hydrotalcite to prepare the photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material. The fabric prepared in this example was put on a polystyrene foam wrapped with a hydrophilic nonwoven fabric to construct a photo-thermal evaporator, put on an electronic balance, and subjected to evaporation test at an evaporation rate of 1.97 kg/(m) under one sun light 2 * h) The method comprises the steps of carrying out a first treatment on the surface of the The tetracycline is subjected to catalytic degradation test, and the catalytic degradation rate is 84.6% under the irradiation of one sun.
Comparative example 1
(1) Firstly, preparing a Tris-HCl solution with the concentration of 0.1mol/L, taking water, carrying out constant volume ultrasonic mixing uniformly, and obtaining the Tris-HCl buffer solution with the pH of 8.5. And (3) carrying out ultrasonic treatment on the planar fabric for 30min by using an ethanol water solution with the volume ratio of 1:1, immersing the planar fabric in a dopamine-Tris-HCl buffer solution with the volume ratio of 10mmo/L, carrying out in-situ self-polymerization reaction for 12h, taking out the planar fabric after the reaction is finished, and placing the planar fabric in a drying oven at 60 ℃ for drying for 1h to obtain the polydopamine planar fabric.
(2) And (3) immersing the polydopamine planar fabric in 0.5mol/L ferric chloride solution for 30min, then immersing the polydopamine planar fabric in 0.2mol/L pyrrole solution with chloroform as a solvent, carrying out in-situ oxidative polymerization for 3h, taking out the planar fabric after the reaction is finished, and drying the planar fabric in a 60 ℃ oven for 1h to obtain the polypyrrole planar fabric.
The polypyrrole plane fabric prepared in the comparative example is placed on polystyrene foam wrapped by hydrophilic non-woven fabric to construct a photo-thermal evaporator, the photo-thermal evaporator is placed on an electronic balance, the fabric is subjected to evaporation test, and the evaporation rate is 1.33 kg/(m) under the irradiation of sunlight, as shown in figure 8 2 * h) Compared with the honeycomb fabric, the water evaporation efficiency of the planar fabric with the same thickness is obviously reduced, and the concave array structure of the honeycomb fabric has certain capturing and absorbing capacity on light, so that the energy loss is effectively reduced.
Comparative example 2
Firstly, preparing a Tris-HCl solution with the concentration of 0.1mol/L, taking water, carrying out constant volume ultrasonic mixing uniformly, and obtaining the Tris-HCl buffer solution with the pH of 8.5. Ultrasonic treating the honeycomb fabric with ethanol water solution with the volume ratio of 1:1 for 30min, immersing the honeycomb fabric in dopamine-Tris-HCl buffer solution with the volume ratio of 10mmo/L, carrying out in-situ self-polymerization reaction for 12h, taking out the honeycomb fabric after the reaction is finished, and drying the honeycomb fabric in an oven at 60 ℃ for 1h to obtain the polydopamine honeycomb fabric.
The polydopamine honeycomb fabric prepared in the comparative example is placed on polystyrene foam wrapped by hydrophilic non-woven fabric to construct a photo-thermal evaporator, the photo-thermal evaporator is placed on an electronic balance, the fabric is subjected to evaporation test, and the evaporation rate is 1.16 kg/(m) under the irradiation of sunlight, as shown in figure 8 2 * h) Compared with polypyrrole honeycomb fabric, the photo-thermal absorption conversion capability of the polydopamine honeycomb fabric is lower than that of the polypyrrole honeycomb fabric.
Comparative example 3
(1) Firstly, preparing a Tris-HCl solution with the concentration of 0.1mol/L, taking water, carrying out constant volume ultrasonic mixing uniformly, and obtaining the Tris-HCl buffer solution with the pH of 8.5. Ultrasonic treating the honeycomb fabric with ethanol water solution with the volume ratio of 1:1 for 30min, immersing the honeycomb fabric in dopamine-Tris-HCl buffer solution with the volume ratio of 10mmo/L, carrying out in-situ self-polymerization reaction for 12h, taking out the honeycomb fabric after the reaction is finished, and drying the honeycomb fabric in an oven at 60 ℃ for 1h to obtain the polydopamine honeycomb fabric.
(2) And (3) immersing the polydopamine honeycomb fabric in 0.5mol/L ferric chloride solution for 30min, immersing in 0.2mol/L pyrrole solution with chloroform as a solvent, carrying out in-situ oxidative polymerization for 3h, taking out the honeycomb fabric after the reaction is finished, and drying in a 60 ℃ oven for 1h to obtain the polypyrrole honeycomb fabric.
(3) Directly spraying 4ml of 5mg/ml ferronickel hydrotalcite nano-flower aqueous solution on polypyrrole honeycomb fabric impregnated with sodium polyacrylate solution, and drying in a 60 ℃ oven for 1h to obtain the photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material.
The comparative example examines the influence of sodium polyacrylate solution on the performance of the prepared photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material. The interaction force between hydrotalcite and the honeycomb fabric in the photo-thermal evaporation and photocatalysis synergistic dual-functional honeycomb fabric material prepared in the comparative example is weak, the hydrotalcite and the honeycomb fabric are easy to fall off, and the quantitative performance test cannot be performed.
It should be noted that the above-mentioned specific embodiments of the present invention do not limit the protection scope of the present invention. Any of various other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (10)
1. The preparation method of the photo-thermal evaporation and photocatalysis synergistic difunctional honeycomb fabric material is characterized by comprising the following steps of:
(1) Ultrasonic treating honeycomb fabric with ethanol water solution, soaking in catechol group-containing compound solution, performing in-situ self-polymerization reaction, and oven drying to obtain honeycomb fabric A;
(2) Immersing the honeycomb fabric A in an oxidizing solution, then immersing the honeycomb fabric A in a compound solution with photo-thermal conversion performance, carrying out in-situ oxidative polymerization reaction, and drying to obtain a honeycomb fabric B;
(3) And (3) immersing the honeycomb fabric B in a sodium polyacrylate solution, drying to obtain the honeycomb fabric B immersed with the sodium polyacrylate solution, then depositing the nanoparticle dispersion liquid with the photocatalytic performance on the honeycomb fabric B immersed with the sodium polyacrylate solution in situ, and drying to obtain the bifunctional honeycomb fabric material with the synergy of photo-thermal evaporation and photocatalysis.
2. The method according to claim 1, wherein in the step (1), the solute in the catechol group-containing compound solution is dopamine, the concentration of the dopamine solution is 1-100mmol/L, and the in-situ self-polymerization reaction time is 3-12h.
3. The method according to claim 1, wherein in the step (2), the oxidizing solution is an iron chloride solution, the concentration of the iron chloride solution is 0.1-1mol/L, and the soaking time of the honeycomb fabric a in the iron chloride solution is 30min-1h.
4. The preparation method of claim 1, wherein in the step (2), the solute in the compound solution with the photo-thermal conversion performance is pyrrole, the solvent is chloroform, the concentration of the pyrrole solution is 0.1-1mol/L, the temperature of the in-situ oxidation polymerization reaction is 10-30 ℃ and the time is 2-6h.
5. The method according to claim 1, wherein in the step (3), the concentration of the sodium polyacrylate solution is 0.1-2g/L, and the dipping temperature is 10-30 ℃ for 5-10min.
6. The preparation method of claim 1, wherein in the step (3), the nanoparticle dispersion liquid with photocatalytic performance is a hydrotalcite dispersion liquid, hydrotalcite in the hydrotalcite dispersion liquid is one of nickel-iron hydrotalcite, cobalt-iron hydrotalcite or zinc-iron hydrotalcite, the solvent is one or more of water, ethanol, glycol or glycerol, and the concentration of the hydrotalcite dispersion liquid is 1-5mg/mL.
7. The method according to claim 1, wherein in the step (3), the hydrotalcite loading amount on the dual functional honeycomb fabric material having the synergy of photo-thermal evaporation and photocatalysis is 5-25mg.
8. A bi-functional cellular textile material prepared by the preparation method according to any one of claims 1 to 7 and combining photo-thermal evaporation and photocatalysis.
9. The photo-thermal evaporation and photocatalysis synergistic dual-function honeycomb fabric material according to claim 8, wherein the photo-thermal evaporation and photocatalysis synergistic dual-function honeycomb fabric material has a periodic concave array structure with side length of 10 x 8mm and depth of 8 mm.
10. Use of the photo-thermal evaporation and photocatalysis synergistic dual-function honeycomb fabric material according to claim 8 or 9 in the solar photo-thermal water production and sewage degradation fields.
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