CN110577256A - Preparation method of photocatalytic sewage treatment composite membrane - Google Patents
Preparation method of photocatalytic sewage treatment composite membrane Download PDFInfo
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- CN110577256A CN110577256A CN201910771487.6A CN201910771487A CN110577256A CN 110577256 A CN110577256 A CN 110577256A CN 201910771487 A CN201910771487 A CN 201910771487A CN 110577256 A CN110577256 A CN 110577256A
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- sewage treatment
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- 230000001699 photocatalysis Effects 0.000 title claims abstract description 44
- 238000002360 preparation method Methods 0.000 title claims abstract description 33
- 239000010865 sewage Substances 0.000 title claims abstract description 28
- 239000002131 composite material Substances 0.000 title claims abstract description 23
- 239000012528 membrane Substances 0.000 title claims abstract description 23
- 239000000758 substrate Substances 0.000 claims abstract description 26
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 24
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 18
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 18
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 18
- 239000010936 titanium Substances 0.000 claims abstract description 18
- 238000006243 chemical reaction Methods 0.000 claims abstract description 13
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000000034 method Methods 0.000 claims abstract description 12
- 230000003647 oxidation Effects 0.000 claims abstract description 12
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 11
- MCMNRKCIXSYSNV-UHFFFAOYSA-N ZrO2 Inorganic materials O=[Zr]=O MCMNRKCIXSYSNV-UHFFFAOYSA-N 0.000 claims abstract description 11
- 239000002253 acid Substances 0.000 claims abstract description 11
- 239000000853 adhesive Substances 0.000 claims abstract description 11
- 230000001070 adhesive effect Effects 0.000 claims abstract description 11
- 239000002041 carbon nanotube Substances 0.000 claims abstract description 11
- 229910021393 carbon nanotube Inorganic materials 0.000 claims abstract description 11
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000001354 calcination Methods 0.000 claims abstract description 6
- 239000011248 coating agent Substances 0.000 claims abstract description 6
- 238000000576 coating method Methods 0.000 claims abstract description 6
- 238000002485 combustion reaction Methods 0.000 claims abstract description 6
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 238000007731 hot pressing Methods 0.000 claims abstract description 6
- 238000010335 hydrothermal treatment Methods 0.000 claims abstract description 6
- 238000011065 in-situ storage Methods 0.000 claims abstract description 6
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 229910052751 metal Inorganic materials 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 6
- 239000004408 titanium dioxide Substances 0.000 claims abstract description 6
- 238000001291 vacuum drying Methods 0.000 claims abstract description 6
- 238000004544 sputter deposition Methods 0.000 claims description 15
- 239000013077 target material Substances 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 5
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 5
- 238000004140 cleaning Methods 0.000 claims description 5
- 238000002425 crystallisation Methods 0.000 claims description 5
- 230000008025 crystallization Effects 0.000 claims description 5
- 229910001882 dioxygen Inorganic materials 0.000 claims description 5
- 239000005038 ethylene vinyl acetate Substances 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 239000007888 film coating Substances 0.000 claims description 5
- 238000009501 film coating Methods 0.000 claims description 5
- 108010025899 gelatin film Proteins 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 238000002156 mixing Methods 0.000 claims description 5
- 229910021421 monocrystalline silicon Inorganic materials 0.000 claims description 5
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 claims description 5
- 238000000151 deposition Methods 0.000 claims description 4
- 239000000843 powder Substances 0.000 description 5
- 230000003197 catalytic effect Effects 0.000 description 2
- 239000000975 dye Substances 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
Classifications
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/06—Silicon, titanium, zirconium or hafnium; Oxides or hydroxides thereof
- B01J21/063—Titanium; Oxides or hydroxides thereof
-
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/18—Carbon
- B01J21/185—Carbon nanotubes
-
- 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
- C02F1/30—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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Nanotechnology (AREA)
- Toxicology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Catalysts (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and particularly relates to a preparation method of a photocatalytic sewage treatment composite membrane, which comprises the steps of coating an adhesive on a base membrane, placing a photocatalytic film on the base membrane, carrying out hot pressing at 150 ℃, and cooling to form the photocatalytic sewage treatment composite membrane; the preparation method of the photocatalytic film comprises the following steps: titanium dioxide is prepared in situ on a titanium metal substrate by a hydrogen peroxide oxidation method, then calcination is carried out, peroxotitanic acid is decomposed by combustion treatment, a titanium sheet is placed in a high-pressure reaction kettle, 30% hydrogen peroxide and sodium hydroxide solution are mixed according to the volume of 1:1, then the titanium sheet is immersed in mixed liquid for oxidation, the reaction is carried out in the reaction kettle for 20-24 hours, then 40-50% of the solution is evaporated in a vacuum drying box, carbon nano tubes and zirconium dioxide gel are added, and then hydrothermal treatment is carried out for 2-3 hours at the temperature of 150-.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a preparation method of a photocatalytic sewage treatment composite membrane.
Background
The traditional sewage treatment method has the problems of high cost, low efficiency, secondary pollution and the like. Researches show that the photocatalytic semiconductor nano oxide can degrade various pollutants by using ultraviolet rays, can oxidize and decompose hydrocarbons, surfactants, organic dyes, nitrogen-containing organic matters, organophosphorus insecticides, wood preservatives and the like in water, and can be used for sewage treatment.
In the prior art, when sewage treatment is mostly carried out by adopting powder photocatalytic oxide, the problems of difficult recovery of powder, influence of suspended powder on light transmittance and the like exist, and the problems of small contact area, low catalytic efficiency, short service life and the like exist at the same time, so that the research and development of a preparation method of a photocatalytic sewage treatment composite membrane are urgently needed.
Disclosure of Invention
This section is for the purpose of summarizing some aspects of embodiments of the invention and to briefly introduce some preferred embodiments. In this section, as well as in the abstract and the title of the invention of this application, simplifications or omissions may be made to avoid obscuring the purpose of the section, the abstract and the title, and such simplifications or omissions are not intended to limit the scope of the invention.
The invention is provided in view of the above and/or problems in the existing preparation method of the photocatalytic sewage treatment composite membrane.
Therefore, the invention aims to provide a preparation method of a photocatalytic composite membrane for sewage treatment, which can reduce the influence of powder on light, improve the catalytic efficiency and prolong the service life.
to solve the above technical problem, according to an aspect of the present invention, the present invention provides the following technical solutions:
A preparation method of a photocatalytic sewage treatment composite membrane comprises the steps of coating an adhesive on a base membrane, placing a photocatalytic film on the base membrane, carrying out hot pressing at 150 ℃, and cooling to form the photocatalytic sewage treatment composite membrane;
the preparation method of the photocatalytic film comprises the following steps: preparing titanium dioxide in situ on a titanium metal substrate by a hydrogen peroxide oxidation method, calcining, decomposing peroxotitanic acid by combustion treatment, placing a titanium sheet in a high-pressure reaction kettle, mixing 30% hydrogen peroxide and sodium hydroxide solution according to the volume ratio of 1:1, immersing the titanium sheet in the mixed liquid for oxidation, reacting in the reaction kettle for 20-24 hours, evaporating 40-50% of the solution in a vacuum drying box, adding carbon nanotubes and zirconium dioxide gel, performing hydrothermal treatment at 150-180 ℃ for 2-3 hours, immersing a gel film in hot water to promote crystallization of an amorphous film, and obtaining a photocatalytic film;
The preparation method of the base film comprises the following steps: the method comprises the steps of adopting a p-type (100) monocrystalline silicon wafer as a substrate, respectively cleaning the substrate with strong acid, strong base and absolute ethyl alcohol before film coating, carrying out high-power pre-sputtering for about 20min to clean impurities on the surface of a target material, wherein the flow of ammonia gas and the flow of oxygen gas are respectively 40 ml/min and 8ml/min during sputtering, and the background vacuum degree is 2 multiplied by 10-3pa, when depositing the film, using a mask to make a step of the film substrate on the substrate, wherein the sputtering time is 1.5-2 hours, and finally obtaining the base film.
As a preferred scheme of the preparation method of the photocatalytic sewage treatment composite membrane, the preparation method comprises the following steps: the adhesive is ethylene-vinyl acetate copolymer.
As a preferred scheme of the preparation method of the photocatalytic sewage treatment composite membrane, the preparation method comprises the following steps: the target material has a diameter of 60mm and a thickness of 6 mm.
As a preferred scheme of the preparation method of the photocatalytic sewage treatment composite membrane, the preparation method comprises the following steps: the mass ratio of the carbon nano tube to the zirconium dioxide gel is 1: (1000-3500).
Compared with the prior art: the photocatalytic sewage treatment composite membrane greatly improves the photocatalytic efficiency, prolongs the service life of the photocatalytic film and reduces the influence of powder on light.
Detailed Description
The present invention will be described in detail with reference to the following embodiments in order to make the aforementioned objects, features and advantages of the invention more comprehensible.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, but the present invention may be practiced in other ways than those specifically described herein, and it will be apparent to those of ordinary skill in the art that the present invention may be practiced without departing from the spirit and scope of the present invention, and therefore the present invention is not limited to the specific embodiments disclosed below.
in order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be described in further detail below.
the invention provides a preparation method of a photocatalytic sewage treatment composite membrane
Embodiment mode 1
Coating an adhesive on a base film, wherein the adhesive is an ethylene-vinyl acetate copolymer, placing a photocatalytic film on the base film, hot-pressing at 150 ℃, and cooling to form the photocatalytic sewage treatment composite film;
the preparation method of the photocatalytic film comprises the following steps: preparing titanium dioxide in situ on a titanium metal substrate by a hydrogen peroxide oxidation method, calcining, decomposing peroxotitanic acid by combustion treatment, placing a titanium sheet in a high-pressure reaction kettle, mixing 30% hydrogen peroxide and sodium hydroxide solution according to the volume ratio of 1:1, immersing the titanium sheet in the mixed liquid for oxidation, reacting in the reaction kettle for 20-24 hours, evaporating 40% of the solution in a vacuum drying oven, adding carbon nano tubes and zirconium dioxide gel, wherein the mass ratio of the carbon nano tubes to the zirconium dioxide gel is 1: 3500, carrying out hydrothermal treatment for 2 hours at 180 ℃, immersing the gel film into hot water to promote crystallization of the amorphous film, and obtaining the photocatalytic film;
The preparation method of the base film comprises the following steps: the method comprises the steps of adopting a p-type (100) monocrystalline silicon wafer as a substrate, respectively cleaning the substrate with strong acid, strong base and absolute ethyl alcohol before film coating, wherein the diameter of a target material is 60mm, the thickness of the target material is 6mm, firstly carrying out high-power pre-sputtering for about 20min so as to clean impurities on the surface of the target material, the flow rate of ammonia gas and the flow rate of oxygen gas are respectively 40 ml/min and 8ml/min during sputtering, and the background vacuum degree is 2 multiplied by 10-3Pa,And when the film is deposited, a step of the film substrate is made on the substrate by using the mask, the sputtering time is 2 hours, and finally the base film is prepared.
Embodiment mode 2
coating an adhesive on a base film, wherein the adhesive is an ethylene-vinyl acetate copolymer, placing a photocatalytic film on the base film, hot-pressing at 150 ℃, and cooling to form the photocatalytic sewage treatment composite film;
The preparation method of the photocatalytic film comprises the following steps: preparing titanium dioxide in situ on a titanium metal substrate by a hydrogen peroxide oxidation method, calcining, decomposing peroxotitanic acid by combustion treatment, placing a titanium sheet in a high-pressure reaction kettle, mixing 30% hydrogen peroxide and sodium hydroxide solution according to the volume ratio of 1:1, immersing the titanium sheet in the mixed liquid for oxidation, reacting in the reaction kettle for 24 hours, evaporating 40% of the solution in a vacuum drying oven, adding a carbon nano tube and zirconium dioxide gel, wherein the mass ratio of the carbon nano tube to the zirconium dioxide gel is 1: 1000, then carrying out hydrothermal treatment at 180 ℃ for 2 hours, and immersing the gel film into hot water to promote crystallization of the amorphous film, thus obtaining the photocatalytic film;
The preparation method of the base film comprises the following steps: the method comprises the steps of adopting a p-type (100) monocrystalline silicon wafer as a substrate, respectively cleaning the substrate with strong acid, strong base and absolute ethyl alcohol before film coating, wherein the diameter of a target material is 60mm, the thickness of the target material is 6mm, firstly carrying out high-power pre-sputtering for about 20min so as to clean impurities on the surface of the target material, the flow rate of ammonia gas and the flow rate of oxygen gas are respectively 40 ml/min and 8ml/min during sputtering, and the background vacuum degree is 2 multiplied by 10-3Pa, when depositing the film, using a mask to make a step of the film substrate on the substrate, wherein the sputtering time is 1.5 hours, and finally obtaining the base film.
Embodiment 3
Coating an adhesive on a base film, wherein the adhesive is an ethylene-vinyl acetate copolymer, placing a photocatalytic film on the base film, hot-pressing at 150 ℃, and cooling to form the photocatalytic sewage treatment composite film;
The preparation method of the photocatalytic film comprises the following steps: preparing titanium dioxide in situ on a titanium metal substrate by a hydrogen peroxide oxidation method, calcining, decomposing peroxotitanic acid by combustion treatment, placing a titanium sheet in a high-pressure reaction kettle, mixing 30% hydrogen peroxide and sodium hydroxide solution according to the volume ratio of 1:1, immersing the titanium sheet in the mixed liquid for oxidation, reacting in the reaction kettle for 22 hours, evaporating 45% of the solution in a vacuum drying oven, adding a carbon nano tube and zirconium dioxide gel, wherein the mass ratio of the carbon nano tube to the zirconium dioxide gel is 1: 2250, performing hydrothermal treatment at 165 ℃ for 2.5 hours, and immersing the gel film in hot water to promote crystallization of the amorphous film to obtain the photocatalytic film;
The preparation method of the base film comprises the following steps: the method comprises the steps of adopting a p-type (100) monocrystalline silicon wafer as a substrate, respectively cleaning the substrate with strong acid, strong base and absolute ethyl alcohol before film coating, wherein the diameter of a target material is 60mm, the thickness of the target material is 6mm, firstly carrying out high-power pre-sputtering for about 20min so as to clean impurities on the surface of the target material, the flow rate of ammonia gas and the flow rate of oxygen gas are respectively 40 ml/min and 8ml/min during sputtering, and the background vacuum degree is 2 multiplied by 10-3pa, when depositing the film, using a mask to make a step of the film substrate on the substrate, wherein the sputtering time is 1.7 hours, and finally obtaining the base film.
While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the disclosed embodiments of the invention may be used in any combination, provided that no structural conflict exists, and the combinations are not exhaustively described in this specification merely for the sake of brevity and resource conservation. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (4)
1. A preparation method of a photocatalytic sewage treatment composite membrane is characterized by comprising the following steps: coating an adhesive on a base film, placing a photocatalytic film on the base film, hot-pressing at 150 ℃, and cooling to form the photocatalytic sewage treatment composite film;
The preparation method of the photocatalytic film comprises the following steps: preparing titanium dioxide in situ on a titanium metal substrate by a hydrogen peroxide oxidation method, calcining, decomposing peroxotitanic acid by combustion treatment, placing a titanium sheet in a high-pressure reaction kettle, mixing 30% hydrogen peroxide and sodium hydroxide solution according to the volume ratio of 1:1, immersing the titanium sheet in the mixed liquid for oxidation, reacting in the reaction kettle for 20-24 hours, evaporating 40-50% of the solution in a vacuum drying box, adding carbon nanotubes and zirconium dioxide gel, performing hydrothermal treatment at 150-180 ℃ for 2-3 hours, immersing a gel film in hot water to promote crystallization of an amorphous film, and obtaining a photocatalytic film;
the preparation method of the base film comprises the following steps: the method comprises the steps of adopting a p-type (100) monocrystalline silicon wafer as a substrate, respectively cleaning the substrate with strong acid, strong base and absolute ethyl alcohol before film coating, carrying out high-power pre-sputtering for about 20min to clean impurities on the surface of a target material, wherein the flow of ammonia gas and the flow of oxygen gas are respectively 40 ml/min and 8ml/min during sputtering, and the background vacuum degree is 2 multiplied by 10-3Pa, when depositing the film, using a mask to make a step of the film substrate on the substrate, wherein the sputtering time is 1.5-2 hours, and finally obtaining the base film.
2. The preparation method of the photocatalytic sewage treatment composite membrane according to claim 1, wherein the preparation method comprises the following steps: the adhesive is ethylene-vinyl acetate copolymer.
3. the preparation method of the photocatalytic sewage treatment composite membrane according to claim 1, wherein the preparation method comprises the following steps: the target material has a diameter of 60mm and a thickness of 6 mm.
4. The preparation method of the photocatalytic sewage treatment composite membrane according to claim 1, wherein the preparation method comprises the following steps: the mass ratio of the carbon nano tube to the zirconium dioxide gel is 1: (1000-3500).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910771487.6A CN110577256A (en) | 2019-08-21 | 2019-08-21 | Preparation method of photocatalytic sewage treatment composite membrane |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910771487.6A CN110577256A (en) | 2019-08-21 | 2019-08-21 | Preparation method of photocatalytic sewage treatment composite membrane |
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| CN110577256A true CN110577256A (en) | 2019-12-17 |
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| CN201910771487.6A Pending CN110577256A (en) | 2019-08-21 | 2019-08-21 | Preparation method of photocatalytic sewage treatment composite membrane |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007222725A (en) * | 2006-02-21 | 2007-09-06 | Sumitomo Chemical Co Ltd | Method for improving activity of photocatalytic titanium oxide and method for manufacturing high-activity photocatalytic titanium oxide |
| CN101343746A (en) * | 2008-08-28 | 2009-01-14 | 上海交通大学 | Titanium oxide nano wire film on metallic titanium surface and manufacture method thereof |
| CN103572374A (en) * | 2013-11-05 | 2014-02-12 | 无锡英普林纳米科技有限公司 | Method for preparing silicon nanowire through sputter deposited metal |
| CN105274483A (en) * | 2015-09-29 | 2016-01-27 | 扬州大学 | Preparation method of negative thermal expansion material Sc2W3O12 thin film |
| CN108246321A (en) * | 2018-04-04 | 2018-07-06 | 东莞市石鼓污水处理有限公司 | A kind of preparation method of NiTiO3-ZrO2 sewage disposals composite membrane |
-
2019
- 2019-08-21 CN CN201910771487.6A patent/CN110577256A/en active Pending
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|---|---|---|---|---|
| JP2007222725A (en) * | 2006-02-21 | 2007-09-06 | Sumitomo Chemical Co Ltd | Method for improving activity of photocatalytic titanium oxide and method for manufacturing high-activity photocatalytic titanium oxide |
| CN101343746A (en) * | 2008-08-28 | 2009-01-14 | 上海交通大学 | Titanium oxide nano wire film on metallic titanium surface and manufacture method thereof |
| CN103572374A (en) * | 2013-11-05 | 2014-02-12 | 无锡英普林纳米科技有限公司 | Method for preparing silicon nanowire through sputter deposited metal |
| CN105274483A (en) * | 2015-09-29 | 2016-01-27 | 扬州大学 | Preparation method of negative thermal expansion material Sc2W3O12 thin film |
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| Title |
|---|
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Application publication date: 20191217 |