CN108465475A - A kind of preparation method of WO3-ZrO2 photocatalysis sewages processing composite membrane - Google Patents
A kind of preparation method of WO3-ZrO2 photocatalysis sewages processing composite membrane Download PDFInfo
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- CN108465475A CN108465475A CN201810299468.3A CN201810299468A CN108465475A CN 108465475 A CN108465475 A CN 108465475A CN 201810299468 A CN201810299468 A CN 201810299468A CN 108465475 A CN108465475 A CN 108465475A
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 44
- 238000007146 photocatalysis Methods 0.000 title claims abstract description 43
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 238000002360 preparation method Methods 0.000 title claims abstract description 22
- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 239000012528 membrane Substances 0.000 title claims abstract description 18
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 claims abstract description 18
- 210000004379 membrane Anatomy 0.000 claims abstract description 17
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 17
- 210000002469 basement membrane Anatomy 0.000 claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 11
- 239000010865 sewage Substances 0.000 claims abstract description 11
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 9
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 9
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 9
- 238000001027 hydrothermal synthesis Methods 0.000 claims abstract description 8
- XMVONEAAOPAGAO-UHFFFAOYSA-N sodium tungstate Chemical compound [Na+].[Na+].[O-][W]([O-])(=O)=O XMVONEAAOPAGAO-UHFFFAOYSA-N 0.000 claims abstract description 8
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims abstract description 5
- 239000002243 precursor Substances 0.000 claims abstract description 5
- 239000002002 slurry Substances 0.000 claims abstract description 5
- 238000005229 chemical vapour deposition Methods 0.000 claims abstract description 4
- 238000007731 hot pressing Methods 0.000 claims abstract description 4
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 claims description 12
- UMGDCJDMYOKAJW-UHFFFAOYSA-N thiourea Chemical compound NC(N)=S UMGDCJDMYOKAJW-UHFFFAOYSA-N 0.000 claims description 10
- HSJPMRKMPBAUAU-UHFFFAOYSA-N cerium(3+);trinitrate Chemical compound [Ce+3].[O-][N+]([O-])=O.[O-][N+]([O-])=O.[O-][N+]([O-])=O HSJPMRKMPBAUAU-UHFFFAOYSA-N 0.000 claims description 8
- 239000008236 heating water Substances 0.000 claims description 8
- 238000003756 stirring Methods 0.000 claims description 8
- PIICEJLVQHRZGT-UHFFFAOYSA-N Ethylenediamine Chemical compound NCCN PIICEJLVQHRZGT-UHFFFAOYSA-N 0.000 claims description 7
- 150000007524 organic acids Chemical class 0.000 claims description 7
- 229920000620 organic polymer Polymers 0.000 claims description 7
- 238000001816 cooling Methods 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 5
- LHQLJMJLROMYRN-UHFFFAOYSA-L cadmium acetate Chemical compound [Cd+2].CC([O-])=O.CC([O-])=O LHQLJMJLROMYRN-UHFFFAOYSA-L 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010335 hydrothermal treatment Methods 0.000 claims description 4
- 229920000141 poly(maleic anhydride) Polymers 0.000 claims description 4
- 239000004814 polyurethane Substances 0.000 claims description 4
- 229920002635 polyurethane Polymers 0.000 claims description 4
- YNJBWRMUSHSURL-UHFFFAOYSA-N trichloroacetic acid Chemical compound OC(=O)C(Cl)(Cl)Cl YNJBWRMUSHSURL-UHFFFAOYSA-N 0.000 claims description 4
- 238000010792 warming Methods 0.000 claims description 4
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001755 magnetron sputter deposition Methods 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 150000001875 compounds Chemical class 0.000 claims description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 239000001866 hydroxypropyl methyl cellulose Substances 0.000 claims description 2
- 235000010979 hydroxypropyl methyl cellulose Nutrition 0.000 claims description 2
- 229920003088 hydroxypropyl methyl cellulose Polymers 0.000 claims description 2
- UFVKGYZPFZQRLF-UHFFFAOYSA-N hydroxypropyl methyl cellulose Chemical compound OC1C(O)C(OC)OC(CO)C1OC1C(O)C(O)C(OC2C(C(O)C(OC3C(C(O)C(O)C(CO)O3)O)C(CO)O2)O)C(CO)O1 UFVKGYZPFZQRLF-UHFFFAOYSA-N 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 claims 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims 1
- 239000005864 Sulphur Substances 0.000 claims 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims 1
- 239000004202 carbamide Substances 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000011282 treatment Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000004090 dissolution Methods 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 1
- 239000010408 film Substances 0.000 description 34
- 239000000843 powder Substances 0.000 description 3
- SGJUCMOYVKXLDY-UHFFFAOYSA-N acetic acid;cadmium Chemical compound [Cd].CC(O)=O.CC(O)=O SGJUCMOYVKXLDY-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 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 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 229920001038 ethylene copolymer Polymers 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000006193 liquid solution Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000003986 organophosphate insecticide Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000009738 saturating Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 239000011864 timber preservative Substances 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
- 239000000052 vinegar Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B01J35/39—
-
- 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
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/186—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J27/188—Phosphorus; Compounds thereof with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium with chromium, molybdenum, tungsten or polonium
-
- 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
- B01J31/38—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24 of titanium, zirconium or hafnium
-
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/10—Photocatalysts
Abstract
The present invention relates to sewage treatment fields, specifically disclose a kind of preparation method of WO3 ZrO2 photocatalysis sewages processing composite membrane, basement membrane and photocatalysis film hot pressing are formed the photocatalysis sewage and handle composite membrane.Photocatalysis film preparation method is：By the zirconium dioxide gel obtained after ammonium fluozirconate and sodium tungstate dissolution process and with other dissolution of raw material in propanol solution, evaporate part solution, carbon nanotube is added, slurry is formed after heating, and film is carried out on base material, film is heat-treated under vacuum, obtains photocatalysis sewage processing composite membrane.The preparation method of basement membrane is：AL2O3 films are placed in the precursor solution of CdS and carry out hydro-thermal reaction, washing obtains AL2O3 CDS films；Then pass through chemical vapor deposition P2O5.Photocatalysis sewage prepared by method using the present invention handles film, greatly improves photocatalysis efficiency, extends the service life of photocatalysis membrana.
Description
Technical field
The present invention relates to sewage treatment fields, specifically disclose a kind of system of WO3-ZrO2 photocatalysis sewages processing composite membrane
Preparation Method.
Background technology
There are of high cost, efficiency is low, secondary pollution problems for traditional sewage water treatment method.Studies have shown that being urged with light
The semiconductor nano grade oxide for the property changed can utilize ultraviolet degradation multiple pollutant, can by hydro carbons in water, surfactant,
The oxygenolysis such as organic dyestuff, itrogenous organic substance, organophosphorus insecticide, timber preservative, can be used for sewage disposal.
When carrying out sewage disposal using powder photocatalytic oxide, there are the recycling of powder difficulty, suspension powder influence light are saturating
The problems such as crossing rate；Therefore titanium deoxid film is mostly used in recent years and carries out photocatalysis, but that there are contacts area is smaller, catalysis effect
The problems such as rate is low, the service life is not high.
Invention content
In order to overcome shortcoming and defect existing in the prior art, the purpose of the present invention is to provide a kind of WO3-ZrO2 light
It is catalyzed the preparation method of sewage disposal composite membrane.
To achieve the above object, the present invention uses following scheme.
A kind of preparation method of WO3-ZrO2 photocatalysis sewages processing composite membrane, specially：In coating on base films adhesive,
Photocatalysis film is placed on basement membrane, in 150 degrees Celsius of lower hot pressing, forms the photocatalysis sewage processing composite membrane after cooling.
The preparation method of wherein photocatalysis film is：Ammonium fluozirconate is added in organic acid soln, wherein ammonium fluozirconate：
The molar ratio of organic acid is 1：（0.5~10）；Heating water bath is to 90 DEG C and stirs, and after reacting 3 hours, sodium tungstate is added to solution
In, sodium tungstate：The molar ratio of ammonium fluozirconate is 1:3, then ethylenediamine, wherein fluorine is added in agitating solution in obtained solution
Zirconic acid ammonium：The molar ratio of ethylenediamine is 1：（1~15）, heating water bath to 85 DEG C and stir 1 hour after, be continually maintained in 85 DEG C
At a temperature of react 24 hours, obtain zirconium dioxide gel；Zirconium dioxide gel, cerous nitrate, organic polymer are dissolved in propyl alcohol
In solution, zirconium dioxide gel：Cerous nitrate：The mass ratio of organic polymer is 1：（0.03~0.2）：（2~15）；It is uniformly mixed
Afterwards, solution is evaporated 50% in an oven, carbon nanotube is added, wherein carbon nanotube and the mass ratio of zirconium dioxide gel is
1：（800~3000）；Then hydro-thermal process is carried out at 150 DEG C 3 hours, by the slurry obtained after hydrothermal treatment and cooling in base
Film is carried out on material, and film is obtained after being dried at room temperature for；Obtained film is removed from base material, carries out hot place under vacuum
Reason, obtains WO3-ZrO2 photocatalysis films.
Wherein, it using ammonium fluozirconate as raw material, and is mixed after being separately added into acid solution and aqueous slkali, dispersion can be obtained more
Uniform gel, the film composition distribution obtained by above-mentioned gel is also more uniform, improves thin film strength.
The preparation method of basement membrane：AL2O3 films are made by magnetron sputtering method, AL2O3 films are placed in the preceding body of CdS
Hydro-thermal reaction is carried out in liquid solution, the precursor solution of the CdS is formulated by cadmium acetate, thiocarbamide and water, wherein acetic acid
Cadmium：Thiocarbamide is 1:1, it is washed after reaction to obtain AL2O3-CDS films；Then it by chemical vapor deposition P2O5, is formed
P2O5-CdS-AL2O3 basement membranes.
Wherein, equally there is preferable photo-catalysis capability as the P2O5-CdS-AL2O3 films of basement membrane, by P2O5-CdS-
AL2O3 basement membranes and above-mentioned organic polymer photocatalysis film are compound, and basement membrane again may be by wastewater by photocatalysis
Pollutant significantly improves the photocatalysis efficiency of photocatalysis film to make light-catalysed contact area increase.
Further, the mass concentration of the organic acid soln is 5%~30%.
Further, the one kind of the organic acid in citric acid, trichloroacetic acid.
Further, the organic polymer in polymaleic anhydride, polyurethane, hydroxypropyl methyl cellulose one
Kind.
Further, described adhesive is ethylene-vinyl acetate copolymer.
On the one hand, the heat treatment mode is：It is handled 1-2 hours at 200 DEG C, is then warming up to 350 DEG C of heat treatments 0.5
Hour, it is finally cooled to 160 DEG C and handles 3-5 hours.
Using three-stage process heat treatment process, film can be prevented to be heat-treated while impurity in effectively removing material
Excessive stress variation is generated in the process and generates defect, effectively increases the quality of finished films.
On the other hand, the base material is one kind in glass, metal.
Beneficial effects of the present invention：WO3-ZrO2 photocatalysis sewages prepared by method using the present invention handle composite membrane,
Photocatalysis efficiency is greatly improved, the service life of photocatalysis film is extended.
Specific implementation mode
For the ease of the understanding of those skilled in the art, with reference to embodiment, the present invention is further illustrated, real
The content that the mode of applying refers to not is limitation of the invention.
WO3-ZrO2 photocatalysis sewages processing composite membrane can be prepared as follows：In coating on base films ethylene-vinegar
Sour ethylene copolymer, photocatalysis film is placed on basement membrane, and in 150 degrees Celsius of lower hot pressing, it is dirty that the photocatalysis is formed after cooling
Water process composite membrane.
The preparation method of basement membrane is：AL2O3 films are made by magnetron sputtering method, before AL2O3 films are placed in CdS
Hydro-thermal reaction is carried out in body solution, the precursor solution of the CdS is formulated by cadmium acetate, thiocarbamide and water, wherein acetic acid
Cadmium：Thiocarbamide is 1:1, it is washed after reaction to obtain AL2O3-CDS films；Then P2O5 is existed by chemical vapor deposition
On AL2O3-CDS films, P2O5-CdS-AL2O3 basement membranes are formed.
Embodiment one
The preparation method of WO3-ZrO2 photocatalysis films, by ammonium fluozirconate be added to mass concentration be 25% citric acid solution in,
Middle ammonium fluozirconate：The molar ratio of citric acid is 1：0.5；Heating water bath is to 90 DEG C and stirs, and after reacting 3 hours, sodium tungstate is added
Into solution, sodium tungstate：The molar ratio of ammonium fluozirconate is 1:3, then ethylenediamine is added in obtained solution in agitating solution,
Wherein ammonium fluozirconate：The molar ratio of ethylenediamine is 1：1, heating water bath is continually maintained in 85 DEG C to 85 DEG C and after stirring 1 hour
At a temperature of react 24 hours, obtain zirconium dioxide gel；Zirconium dioxide gel, cerous nitrate, polyurethane are dissolved in propanol solution
In, zirconium dioxide gel：Cerous nitrate：The mass ratio of polyurethane is 1：0.2：2；After mixing, solution is evaporated in an oven
Fall 50%, carbon nanotube is added, the mass ratio of wherein carbon nanotube and zirconium dioxide gel is 1：3000；Then it is carried out at 150 DEG C
The slurry obtained after hydrothermal treatment and cooling is carried out film by hydro-thermal process 3 hours on base material, after being dried at room temperature for
To film；Obtained film is removed from base material, is put into Muffle furnace, furnace inner environment is modulated into vacuum, 2 are handled at 200 DEG C
Hour, it is then warming up to 350 DEG C and is heat-treated 0.5 hour, be finally cooled to 160 DEG C and handle 3 hours, obtain WO3-ZrO2 photocatalysis
Film.
Embodiment two
The preparation method of WO3-ZrO2 photocatalysis films, by ammonium fluozirconate be added to mass concentration be 8% solution of trichloroacetic acid in,
Wherein ammonium fluozirconate：The molar ratio of trichloroacetic acid is 1：10；Heating water bath is to 90 DEG C and stirs, and after reacting 3 hours, wolframic acid is added
In sodium to solution, sodium tungstate：The molar ratio of ammonium fluozirconate is 1:3, then second two is added in agitating solution in obtained solution
Amine, wherein ammonium fluozirconate：The molar ratio of ethylenediamine is 1：15, heating water bath is continually maintained in 85 to 85 DEG C and after stirring 1 hour
It is reacted 24 hours at a temperature of DEG C, obtains zirconium dioxide gel；Zirconium dioxide gel, cerous nitrate, polymaleic anhydride are dissolved in
In propanol solution, zirconium dioxide gel：Cerous nitrate：The mass ratio of polymaleic anhydride is 1：0.03：15；After mixing, it is drying
Solution is evaporated 50% in case, carbon nanotube is added, the mass ratio of wherein carbon nanotube and zirconium dioxide gel is 1：800；So
Hydro-thermal process is carried out at 150 DEG C afterwards 3 hours, the slurry obtained after hydrothermal treatment and cooling is subjected to film on base material,
Film is obtained after drying at room temperature；Obtained film is removed from base material, is put into Muffle furnace, furnace inner environment is modulated true
Sky is handled 1 hour at 200 DEG C, is then warming up to 350 DEG C and is heat-treated 0.5 hour, is finally cooled to 160 DEG C and is handled 5 hours, obtains
To WO3-ZrO2 photocatalysis films.
The above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention
Thought, there will be changes in the specific implementation manner and application range, and the content of the present specification should not be construed as to the present invention
Limitation.
Claims (7)
1. a kind of preparation method of WO3-ZrO2 photocatalysis sewages processing composite membrane, it is characterised in that：It is bonded in coating on base films
Photocatalysis film is placed on basement membrane by agent, and in 150 degrees Celsius of lower hot pressing, it is compound that the photocatalysis sewage processing is formed after cooling
Film；
The preparation method of wherein photocatalysis film is：Ammonium fluozirconate is added in organic acid soln, wherein ammonium fluozirconate：It is organic
The molar ratio of acid is 1：（0.5~10）；Heating water bath is to 90 DEG C and stirs, and after reacting 3 hours, is added in sodium tungstate to solution,
Sodium tungstate：The molar ratio of ammonium fluozirconate is 1:3, then ethylenediamine, wherein fluorine zirconic acid is added in agitating solution in obtained solution
Ammonium：The molar ratio of ethylenediamine is 1：（1~15）, heating water bath to 85 DEG C and stir 1 hour after, be continually maintained in 85 DEG C of temperature
Lower reaction 24 hours, obtains zirconium dioxide gel；Zirconium dioxide gel, cerous nitrate, organic polymer are dissolved in propanol solution
In, zirconium dioxide gel：Cerous nitrate：The mass ratio of organic polymer is 1：（0.03~0.2）：（2~15）；After mixing,
Solution is evaporated 50% in an oven, carbon nanotube is added, the mass ratio of wherein carbon nanotube and zirconium dioxide gel is 1：
（800~3000）；Then hydro-thermal process is carried out at 150 DEG C 3 hours, by the slurry obtained after hydrothermal treatment and cooling in base material
Upper carry out film, film is obtained after being dried at room temperature for；Obtained film is removed from base material, carries out hot place under vacuum
Reason, obtains WO3-ZrO2 photocatalysis films；
The preparation method of basement membrane：AL2O3 films are made by magnetron sputtering method, the precursor that AL2O3 films are placed in CdS is molten
Hydro-thermal reaction is carried out in liquid, the precursor solution of the CdS is formulated by cadmium acetate, thiocarbamide and water, wherein cadmium acetate：Sulphur
Urea is 1:1, it is washed after reaction to obtain AL2O3-CDS films；Then by chemical vapor deposition P2O5, P2O5- is formed
CdS-AL2O3 basement membranes.
2. the preparation method of WO3-ZrO2 photocatalysis sewages processing composite membrane according to claim 1, it is characterised in that：Institute
The mass concentration for the organic acid soln stated is 5%~30%.
3. the preparation method of WO3-ZrO2 photocatalysis sewages processing composite membrane according to claim 1, it is characterised in that：Institute
The one kind of the organic acid stated in citric acid, trichloroacetic acid.
4. the preparation method of WO3-ZrO2 photocatalysis sewages processing composite membrane according to claim 1, it is characterised in that：Institute
State the one kind of organic polymer in polymaleic anhydride, polyurethane, hydroxypropyl methyl cellulose.
5. the preparation method of WO3-ZrO2 photocatalysis sewages processing composite membrane according to claim 1, it is characterised in that：Institute
Stating heat treatment mode is：It is handled 1-2 hours at 200 DEG C, is then warming up to 350 DEG C and is heat-treated 0.5 hour, be finally cooled to 160
DEG C processing 3-5 hours.
6. the preparation method of WO3-ZrO2 photocatalysis sewages processing composite membrane according to claim 1, it is characterised in that：Institute
It is one kind in glass, metal to state base material.
7. the preparation method of WO3-ZrO2 photocatalysis sewages processing composite membrane according to claim 1, it is characterised in that：Institute
It is ethylene-vinyl acetate copolymer to state adhesive.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109534413A (en) * | 2018-11-01 | 2019-03-29 | 南京理工大学 | A kind of Fe2O3The preparation method of NiO nanowire |
| CN110215925A (en) * | 2019-06-09 | 2019-09-10 | 桂林理工大学 | A kind of homogeneous one-step synthesis CdS-WO3The method of composite material |
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| CN114700068A (en) * | 2022-03-30 | 2022-07-05 | 山东建筑大学 | Preparation method of tungsten trioxide single-layer nanosheet/titanium dioxide heterojunction composite material, obtained product and application |
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