CN105776410A - Flexible bismuth oxybromide-titanium oxide/carbon fiber water-purifying material with capillary water supply and photocatalytic adsorption functions and preparation method thereof - Google Patents
Flexible bismuth oxybromide-titanium oxide/carbon fiber water-purifying material with capillary water supply and photocatalytic adsorption functions and preparation method thereof Download PDFInfo
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- CN105776410A CN105776410A CN201610177032.8A CN201610177032A CN105776410A CN 105776410 A CN105776410 A CN 105776410A CN 201610177032 A CN201610177032 A CN 201610177032A CN 105776410 A CN105776410 A CN 105776410A
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- 239000000463 material Substances 0.000 title claims abstract description 49
- 229920000049 Carbon (fiber) Polymers 0.000 title claims abstract description 34
- 239000004917 carbon fiber Substances 0.000 title claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 34
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 23
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 19
- 238000001179 sorption measurement Methods 0.000 title claims abstract description 16
- -1 bismuth oxybromide-titanium oxide Chemical compound 0.000 title claims abstract description 12
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 29
- 239000002121 nanofiber Substances 0.000 claims abstract description 8
- 230000003647 oxidation Effects 0.000 claims abstract description 4
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 4
- 238000007146 photocatalysis Methods 0.000 claims description 15
- TWDJZUXQDJFLNE-UHFFFAOYSA-N O(Br)Br.[Bi+3].[O-2].[O-2].[Ti+4] Chemical compound O(Br)Br.[Bi+3].[O-2].[O-2].[Ti+4] TWDJZUXQDJFLNE-UHFFFAOYSA-N 0.000 claims description 10
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
- 239000004809 Teflon Substances 0.000 claims description 9
- 229920006362 Teflon® Polymers 0.000 claims description 9
- 239000004744 fabric Substances 0.000 claims description 9
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 claims description 9
- 239000004567 concrete Substances 0.000 claims description 8
- 239000000084 colloidal system Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000005406 washing Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 4
- 230000002000 scavenging effect Effects 0.000 claims description 4
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 4
- YIMCWOIQOXJCEZ-UHFFFAOYSA-N [O-2].[O-2].[Ti+4].[Bi+3] Chemical compound [O-2].[O-2].[Ti+4].[Bi+3] YIMCWOIQOXJCEZ-UHFFFAOYSA-N 0.000 claims description 3
- FPCJKVGGYOAWIZ-UHFFFAOYSA-N butan-1-ol;titanium Chemical compound [Ti].CCCCO.CCCCO.CCCCO.CCCCO FPCJKVGGYOAWIZ-UHFFFAOYSA-N 0.000 claims description 3
- 238000001354 calcination Methods 0.000 claims description 3
- 235000013399 edible fruits Nutrition 0.000 claims description 3
- 238000005554 pickling Methods 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims 2
- 229910052794 bromium Inorganic materials 0.000 claims 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 229910052760 oxygen Inorganic materials 0.000 claims 1
- 239000001301 oxygen Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 8
- 239000010865 sewage Substances 0.000 abstract description 7
- 241000196324 Embryophyta Species 0.000 abstract description 4
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 239000004576 sand Substances 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract description 2
- 239000007777 multifunctional material Substances 0.000 abstract 1
- 239000002135 nanosheet Substances 0.000 abstract 1
- 239000010815 organic waste Substances 0.000 abstract 1
- 238000004065 wastewater treatment Methods 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 238000002474 experimental method Methods 0.000 description 6
- 238000000746 purification Methods 0.000 description 5
- 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 4
- 229940043267 rhodamine b Drugs 0.000 description 4
- 238000002441 X-ray diffraction Methods 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 239000011941 photocatalyst Substances 0.000 description 3
- 239000004408 titanium dioxide Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000002351 wastewater Substances 0.000 description 2
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- FOQHYNYNHYNUIN-UHFFFAOYSA-N [O].[Br] Chemical compound [O].[Br] FOQHYNYNHYNUIN-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- OZKCXDPUSFUPRJ-UHFFFAOYSA-N oxobismuth;hydrobromide Chemical compound Br.[Bi]=O OZKCXDPUSFUPRJ-UHFFFAOYSA-N 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Classifications
-
- 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
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- 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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
- B01J27/135—Halogens; Compounds thereof with titanium, zirconium, hafnium, germanium, tin or lead
-
- 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
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Catalysts (AREA)
Abstract
The invention relates to the field of multifunctional materials, and discloses a flexible bismuth oxybromide-titanium oxide/carbon fiber water-purifying material with capillary water supply and photocatalytic adsorption functions and a preparation method thereof. BiOBr, TiO2 and carbon fibers are ternarily compounded, so that the water-purifying material is prepared, a sand-embedded plant root system structure is imitated, the main root is imitated by the carbon fibers, the fibres are imitated by the TiO2 nanofibers, the sand is imitated by the BiOBr nanosheets, consequently, the porous network structure feature of the sand-embedded plant root system and the functional characteristics of highly efficient adsorption, separation and capillary water supply are imitated, and moreover, the water-purifying material has a photocatalytic oxidation function. The reasonably designed water-purifying material can serve as a water-purifying material and a water transmission passage for a water treatment system, and the highly efficient water treatment system which can purify water in the process of sewage transmission, provides a feasible solution for organic waste water treatment.
Description
Technical field
The present invention relates to field of functional materials, particularly one has capillary water delivery and photocatalysis adsorption function
Flexible bismuth oxybromide-titanium dioxide/carbon fiber water-purifying material and preparation method thereof.
Background technology
In recent years, water pollution problems becomes puzzlement human survival and healthy significant problem.Current sewage
Scavenging material mainly includes catalysis material and sorbing material, wherein, semiconductor based on catalysis material
Photocatalysis oxidation technique is that one utilizes luminous energy degradable organic pollutant with semiconductor for catalyst, produces newly
The green environment Treatment process of the energy.TiO2Have that chemical stability is strong, low cost, oxidability strong, fall
Solve the advantages such as effective and nontoxic pollution-free, be the most the most frequently used conductor photocatalysis material, but TiO2
Energy band wider (Eg=3.2eV), only with the ultraviolet light in sunshine, sunshine utilization ratio is low,
And powder TiO2The recovery of photochemical catalyst separates difficulty, it is difficult to reuses, seriously limits it big
Scale commercialization is promoted.
Applicant has applied for patent of invention " a kind of returnable BiOX/titanium dioxide in before
Composite photo-catalyst and preparation method thereof " literary composition proposes a kind of composite photocatalyst with recuperability
Agent, and carried out the further investigation of corresponding physicochemical property, establish for sewage purification investigation of materials afterwards
Deep scientific research basis.
Summary of the invention
It is an object of the invention to provide a kind of flexible bromine oxygen with capillary water delivery and photocatalysis adsorption function
Change bismuth-titanium dioxide/carbon fiber water-purifying material and preparation method thereof, it is possible to achieve at the course of conveying of sewage
In complete the High-efficient Water processing system of Water warfare, the feasible scheme for the treatment of of Organic Wastewater is proposed.
For realizing above-mentioned technical purpose, reach above-mentioned technique effect, the invention discloses one and there is capillary
Water delivery and the flexible bismuth oxybromide-titanium dioxide/carbon fiber water-purifying material of photocatalysis adsorption function and preparation thereof
Method, water-purifying material is by TiO2Macroscopical nanometer of nanofiber, BiOBr nanometer sheet and carbon fiber composition is different
Matter structure, concrete preparation method is as follows:
Step A:TiO2The preparation of nanofiber/carbon fiber Compound Fabric；
Step B: the preparation of bismuth oxybromide-titanium dioxide/carbon fiber water scavenging material.
Wherein, the concrete operations of step A are:
The most at ambient temperature, clean carbon fiber felt (4cm × 13cm) is immersed in 50mL volume
Mark is in the butyl titanate/hexane solution of 15%, takes out and be dried after 5 minutes；
B. step (a) resulting materials is exposed to water vapour, takes out after 2 minutes and be dried；
C. step (b) resulting materials is repeated a, b step three times；
The most at ambient temperature, by 0.5mL tetra-n-butyl titanate ultrasonic disperse in 40mL 10mol/L
In sodium hydroxide solution, form uniform colloid, gained solution is transferred to teflon gasket
In autoclave；
E. the homogeneous colloids of step d gained is transferred in the autoclave of teflon gasket,
And Fruit storage, react 48 hours at 200 DEG C；
F. the solid obtained through washing, pickling, be dried, calcining after obtain TiO2/ carbon fiber Compound Fabric.
Wherein, the concrete operations of step B are:
A. by the TiO of above-mentioned synthesis2/ carbon fiber Compound Fabric is positioned over the autoclave of teflon gasket
In；
B. configuration 35mL 0.05mol/L Bi (NO3)3With the ethylene glycol solution of 0.05mol/L KBr, and turn
Move on in the autoclave of step a, react 48 hours at 160 DEG C；
C. the solid obtained, through washing, is dried, finally gives water-purifying material.
The method have the advantages that
Water-purifying material the most of the present invention is by BiOBr, TiO2Making with carbon fiber tri compound, simulating plant root system is inlayed
Sand structure, wherein carbon fiber imitates main root, TiO2Nanofiber imitates fibrous root, and BiOBr nanometer sheet is imitated
Sand, thus imitate out root system of plant inlay the porous network structure feature of sand and efficient absorption, separation,
The functional characteristic of capillary water delivery, and also derive the sunlight photocatalysis oxidative function of novelty.
2. through the water-purifying material of appropriate design, can as the water-purifying material of water treatment system and water transmission channel,
Develop the High-efficient Water processing system that can complete Water warfare in the course of conveying of sewage, at organic wastewater
Reason provides feasible scheme.
3. the water-purifying material that prepared by the present invention can utilize sunshine to decompose the pollutant in sewage by day, it is achieved
Water body purification.At night, it is possible to use adsorption function is as contaminant collector, it is achieved water body purification,
There is multiple water body purification function.
Accompanying drawing explanation
Fig. 1 is the preparation flow schematic diagram of the present invention.
Fig. 2 is the XRD of the water-purifying material of the present invention.
Fig. 3 is the SEM figure of the water-purifying material of the present invention.
Fig. 4 is the optical photograph figure of the water-purifying material of the present invention.
Fig. 5 is the photocatalysis performance figure of the water-purifying material of the present invention.
Fig. 6 is the water-purifying material of present invention sewage absorption figure under dark condition.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and
Embodiment, is further elaborated to the present invention.
Embodiment 1
As it is shown in figure 1, the invention discloses a kind of flexibility with capillary water delivery and photocatalysis adsorption function
Bismuth oxybromide-titanium dioxide/carbon fiber water-purifying material and preparation method thereof, water-purifying material is by TiO2Nanometer
Fiber, BiOBr nanometer sheet and macroscopical nano-heterogeneous structure of carbon fiber composition, concrete preparation method is as follows:
Step A:TiO2The preparation of nanofiber/carbon fiber Compound Fabric:
The most at ambient temperature, clean carbon fiber felt (4cm × 13cm) is immersed in 50mL volume
Mark is in the butyl titanate/hexane solution of 15%, takes out and be dried after 5 minutes；
B. step (a) resulting materials is exposed to water vapour, takes out after 2 minutes and be dried；
C. step (b) resulting materials is repeated a, b step three times；
The most at ambient temperature, by 0.5mL tetra-n-butyl titanate ultrasonic disperse in 40mL 10mol/L
In sodium hydroxide solution, form uniform colloid, gained solution is transferred to teflon gasket
In autoclave；
E. the homogeneous colloids of step d gained is transferred in the autoclave of teflon gasket,
And Fruit storage, react 48 hours at 200 DEG C；
F. the solid obtained through washing, pickling, be dried, calcining after obtain TiO2/ carbon fiber Compound Fabric.
Step B: the preparation of bismuth oxybromide-titanium dioxide/carbon fiber water scavenging material.
A. by the TiO of above-mentioned synthesis2/ carbon fiber Compound Fabric is positioned over the autoclave of teflon gasket
In；
B. configuration 35mL 0.05mol/L Bi (NO3)3With the ethylene glycol solution of 0.05mol/L KBr,
And transfer in the autoclave of step a, react 48 hours at 160 DEG C；
C. the solid obtained, through washing, is dried, finally gives water-purifying material.
Embodiment 2
Experiment purpose and method: in order to study the macroscopic view of water-purifying material of the present invention, microstructure, this enforcement
Example has carried out following table such as and has demonstrate,proved material prepared by embodiment 1: X-ray diffraction (XRD) is analyzed, scanned electricity
Sub-microscope (SEM) is analyzed and optical photograph collection, and concrete experimental implementation operates with reference to respective standard,
Here is omitted.
Experimental result: as in Figure 2-4, XRD analysis result shows that product is by bismuth oxybromide and titanium dioxide
Constitute；SEM test result shows the bismoclite nanometer sheet homoepitaxial table at titanium dioxide nanofiber
Face；The optical photograph of product shows that the composite photo-catalyst of preparation presents macroscopic view sheet, has and is easily recycled
The advantage separated.
Embodiment 3
Experiment purpose and method: dirty to photocatalysis property and the water of Organic substance in water matter in order to evaluate the present invention
Dye adsorption capacity, the present embodiment water-purifying material preparation-obtained to embodiment 1 is tested accordingly, has
Body experimental technique is as follows
Photocatalysis is tested: a piece of 8cm2Bismuth oxybromide-titanium dioxide/carbon fiber water-purifying material be immersed in
50mL concentration is in the rhodamine B solution of 9mg/L, is exposed under outdoor sunshine, utilizes UV, visible light
Spectrophotometer monitoring rhodamine B change in concentration.
Adsorption experiment: a piece of 8cm2Bismuth oxybromide-titanium dioxide/carbon fiber water-purifying material be immersed in
50mL concentration is in the rhodamine B solution of 9mg/L, keeps 24 hours, utilize the ultraviolet can under dark condition
See that rhodamine B change in concentration monitored by spectrophotometer.
Experimental result
As it is shown in figure 5, photocatalysis experiment shows, sample prepared by the open step of the present invention
BiOBr@TiO2The photocatalytic activity of/CFC-50 is generally better than sample prepared by other condition.
As shown in Figure 6, adsorption experiment shows, sample BiOBr@TiO prepared by the open step of the present invention2/CFC
Adsorption capacity be generally better than p25TiO2And BiOBr.
The above, the only present invention preferably detailed description of the invention, but protection scope of the present invention is not
Being confined to this, any those familiar with the art, can in the technical scope that the invention discloses
The change readily occurred in or replacement, all should contain within protection scope of the present invention.
Claims (3)
1. flexible bismuth oxybromide-titanium dioxide/carbon fiber with capillary water delivery and photocatalysis adsorption function
Water-purifying material and preparation method thereof, it is characterised in that described water-purifying material is by TiO2Nanofiber, BiOBr
Nanometer sheet and macroscopical nano-heterogeneous structure of carbon fiber composition, concrete preparation method is as follows:
Step A:TiO2The preparation of nanofiber/carbon fiber Compound Fabric；
Step B: the preparation of bismuth oxybromide-titanium dioxide/carbon fiber water scavenging material.
A kind of flexible bromine oxidation with capillary water delivery and photocatalysis adsorption function
Bismuth-titanium dioxide/carbon fiber water-purifying material and preparation method thereof, it is characterised in that: described step A is concrete
Operation is:
The most at ambient temperature, clean carbon fiber felt (4cm × 13cm) is immersed in 50mL volume integral
Number is in the butyl titanate/hexane solution of 15%, takes out and be dried after 5 minutes；
B. step (a) resulting materials is exposed to water vapour, takes out after 2 minutes and be dried；
C. step (b) resulting materials is repeated a, b step three times；
The most at ambient temperature, by 0.5mL tetra-n-butyl titanate ultrasonic disperse in 40mL 10mol/L hydrogen-oxygen
Change in sodium solution, form uniform colloid, by anti-for the high pressure that gained solution transfers to teflon gasket
Answer in still；
E. the homogeneous colloids of step d gained is transferred in the autoclave of teflon gasket, and
Fruit storage, reacts 48 hours at 200 DEG C；
F. the solid obtained through washing, pickling, be dried, calcining after obtain TiO2/ carbon fiber Compound Fabric.
A kind of flexible bromine oxidation with capillary water delivery and photocatalysis adsorption function
Bismuth-titanium dioxide/carbon fiber water-purifying material and preparation method thereof, it is characterised in that: described step B is concrete
Operation is:
A. by the TiO of above-mentioned synthesis2/ carbon fiber Compound Fabric is positioned over the autoclave of teflon gasket
In；
B. configuration 35mL 0.05mol/L Bi (NO3)3With the ethylene glycol solution of 0.05mol/L KBr, and shift
In the autoclave of step a, react 48 hours at 160 DEG C；
C. the solid obtained, through washing, is dried, finally gives water-purifying material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610177032.8A CN105776410A (en) | 2016-03-28 | 2016-03-28 | Flexible bismuth oxybromide-titanium oxide/carbon fiber water-purifying material with capillary water supply and photocatalytic adsorption functions and preparation method thereof |
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|---|---|---|---|
| CN201610177032.8A CN105776410A (en) | 2016-03-28 | 2016-03-28 | Flexible bismuth oxybromide-titanium oxide/carbon fiber water-purifying material with capillary water supply and photocatalytic adsorption functions and preparation method thereof |
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|---|---|
| CN105776410A true CN105776410A (en) | 2016-07-20 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622311A (en) * | 2016-12-27 | 2017-05-10 | 常州大学 | Preparation method of silver phosphate photocatalyst with capillary action |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106622311A (en) * | 2016-12-27 | 2017-05-10 | 常州大学 | Preparation method of silver phosphate photocatalyst with capillary action |
| CN106673120A (en) * | 2016-12-27 | 2017-05-17 | 常州大学 | Device for degrading pollutants by coordinating capillary effect with photocatalysis |
| CN106673119A (en) * | 2016-12-27 | 2017-05-17 | 常州大学 | Reinforced photocatalytic pollutant degradation device |
| CN106745471A (en) * | 2016-12-27 | 2017-05-31 | 常州大学 | A kind of photocatalysis pollution of river thing decomposition apparatus |
| CN106830169A (en) * | 2016-12-27 | 2017-06-13 | 常州大学 | A kind of capillarity aids in pollution of river thing catalytic degradation device |
| CN106622311B (en) * | 2016-12-27 | 2019-03-22 | 常州大学 | One kind having capillarity silver phosphate photocatalyst preparation method |
| CN108355717A (en) * | 2018-01-16 | 2018-08-03 | 齐鲁工业大学 | A kind of preparation method of cellulose/BiOBr composite photocatalyst materials |
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