CN106902645A - A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance - Google Patents
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance Download PDFInfo
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- CN106902645A CN106902645A CN201710081576.9A CN201710081576A CN106902645A CN 106902645 A CN106902645 A CN 106902645A CN 201710081576 A CN201710081576 A CN 201710081576A CN 106902645 A CN106902645 A CN 106902645A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D71/00—Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
- B01D71/02—Inorganic material
- B01D71/024—Oxides
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D67/00—Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
- B01D67/0081—After-treatment of organic or inorganic membranes
- B01D67/0088—Physical treatment with compounds, e.g. swelling, coating or impregnation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/02—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D69/00—Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
- B01D69/06—Flat membranes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/10—Catalysts being present on the surface of the membrane or in the pores
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2325/00—Details relating to properties of membranes
- B01D2325/36—Hydrophilic membranes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
-
- 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
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- 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
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention belongs to the porous ceramic film material field of field of inorganic nonmetallic material, and in particular to a kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance.Comprise the following steps：(1) it is porous flat plate film removing surface is clean；(2) super hydrophilic silicon dioxde solution titanium dioxide mixed solution of the configuration with photocatalysis performance；(3) mixed solution obtained by step (2) is passed through from porous flat plate film one end, is flowed out by the other end, film layer oozes out solution；(4) Flat Membrane obtained by step (3) is risen into 60 DEG C of dryings from room temperature.5 ° of the hydrophilic angle ＜ of ceramic membrane prepared by the preparation method, is remarkably improved the efficiency for the treatment of sewage；Supporter and film layer are respectively provided with super hydrophilicity, are more beneficial for water and pass through, and the strainability of ceramic membrane is further lifted；Ceramic membrane has photocatalysis performance after ultraviolet treatment with irradiation, and decomposable asymmetric choice net organic matter effectively enhances the regenerability of ceramic membrane.
Description
Technical field
The invention belongs to the porous ceramic film material field of field of inorganic nonmetallic material, and in particular to one kind has photocatalysis
The preparation method of the super hydrophilic ceramic membrane of performance.
Background technology
Ceramic membrane as MBR system core component, with resistance tocrocking it is good, be readily cleaned regeneration, service life
The advantages of length, good chemical stability, high mechanical strength, existing hollow-fibre membrane, organic ceramic membrane can be effectively solved in work
Service life present in journey application process is short, easily by acid and alkali corrosion the problems such as, be particularly well-suited to containing special media, highly concentrated
Degree, the purification of difficult sewage, are the separation materials of great development prospect.
During use, with the attachment of pollutant, air permeance resistance gradually increases existing ceramic membrane, increased
Running cost, and the service life of product is substantially reduced, if product has super hydrophilicity, the saturating of product will be substantially reduced
Atmidometer, effectively saves running cost.
The content of the invention
It is an object of the invention to provide a kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, its
Process is simple, energy-conserving and environment-protective, low temperature drying are the performance that can reach super hydrophilic (5 ° of hydrophilic angle ＜).
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, comprises the following steps：
(1) it is porous flat plate film removing surface is clean；
(2) super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of the configuration with photocatalysis performance；
(3) mixed solution obtained by step (2) is passed through from porous flat plate film one end, is flowed out by the other end, film layer is oozed out
Solution；
(4) Flat Membrane obtained by step (3) is risen into 60 DEG C of dryings from room temperature, you can obtain super with photocatalysis performance
Hydrophilic ceramic membrane.
Further, the component of the silicon dioxde solution described in step (2)-titanium dioxide mixed solution and its weight ratio
For：Nanosilica solution 5~20%, super hydrophilic modifying agent 5~10%, nano titanium oxide 5~10%.
Further, the nano titanium oxide is anatase titanium dioxide solution or titanium dioxide with nanostructured
Powder.
Further, the solvent is one or more in ethanol, glycerine, polyethylene glycol, deionized water.
Further, the super hydrophilic modifying agent is in SG-Si900, KH550, dodecyltrimethoxysilane
Plant or several.
Further, the preparation method of the silicon dioxde solution described in step (2)-titanium dioxide mixed solution is：To receive
Rice silicon dioxde solution mixes 2h with solvent, adds super hydrophilic modifying agent to change the silica in mixed solution
Property, Superhydrophilic is made it have, obtain super hydrophilic silicon dioxde solution；It is again that anatase titanium dioxide solution and silica is molten
Liquid mixes or anatase titanium dioxide powder is distributed in silicon dioxde solution, finally gives finely dispersed silica molten
Liquid-titanium dioxide mixed solution.
The present invention compared with prior art, has the advantages that：
Preparation method of the present invention can change the hydrophily of ceramic membrane, the super hydrophilic ceramic membrane warp of preparation
Low temperature drying is that can obtain correlated performance, thus the preparation method has process is simple, low cost and other advantages；The flat board pottery of preparation
5 ° of the hydrophilic angle ＜ of porcelain film, greatly reduces filtration resistance, is remarkably improved the efficiency for the treatment of sewage；Supporter and film layer are respectively provided with
Super hydrophilicity, is more beneficial for water and passes through, and the strainability of ceramic membrane is further lifted；Ceramic membrane is through ultraviolet treatment with irradiation
There is photocatalysis performance afterwards, decomposable asymmetric choice net organic matter effectively enhances the regenerability of ceramic membrane.
Specific embodiment
The present invention is further explained with reference to embodiments：
Embodiment 1
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are：
Its preparation method is：
Nanosilica solution and glycerine and water are mixed into 2h, in adding SG-Si900 to mixed solution two
Silica is modified, and makes it have Superhydrophilic, obtains super hydrophilic silicon dioxde solution；Again by anatase titanium dioxide powder point
It is scattered in silicon dioxde solution, finally gives finely dispersed silicon dioxde solution-titanium dioxide mixed solution.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, it is characterised in that including following step
Suddenly：
(1) it is porous flat plate film removing surface is clean；
(2) super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of the configuration with photocatalysis performance；
(3) mixed solution obtained by step (2) is passed through from porous flat plate film one end, is flowed out by the other end, film layer is oozed out
Solution；
(4) Flat Membrane obtained by step (3) is risen into 60 DEG C of dryings from room temperature, you can obtain super with photocatalysis performance
Hydrophilic ceramic membrane.
Tested through contact angle measurement, hydrophilic angle<4 °, possesses super hydrophilicity.
Embodiment 2
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are：
Its preparation method is：
Nanosilica solution and second alcohol and water are mixed into 2h, KH550 is added to the titanium dioxide in mixed solution
Silicon is modified, and makes it have Superhydrophilic, obtains super hydrophilic silicon dioxde solution；Two are distributed to after anatase titanium dioxide powder
In silica solution, finely dispersed silicon dioxde solution-titanium dioxide mixed solution is finally given.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, it is characterised in that including following step
Suddenly：
(1) it is porous flat plate film removing surface is clean；
(2) super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of the configuration with photocatalysis performance；
(3) mixed solution obtained by step (2) is passed through from porous flat plate film one end, is flowed out by the other end, film layer is oozed out
Solution；
(4) Flat Membrane obtained by step (3) is risen into 60 DEG C of dryings from room temperature, you can obtain super with photocatalysis performance
Hydrophilic ceramic membrane.
Tested through contact angle measurement, hydrophilic angle<4 °, possesses super hydrophilicity.
Embodiment 3
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are：
Its preparation method is：
Nanosilica solution and second alcohol and water are mixed into 2h, dodecyltrimethoxysilane is added to mixing
Silica in solution is modified, and makes it have Superhydrophilic, obtains super hydrophilic silicon dioxde solution；Again by anatase titanium dioxide two
Titanium oxide solution uniformly mixes with silicon dioxde solution, finally gives finely dispersed silicon dioxde solution-titanium dioxide mixing
Solution.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, it is characterised in that including following step
Suddenly：
(1) it is porous flat plate film removing surface is clean；
(2) super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of the configuration with photocatalysis performance；
(3) mixed solution obtained by step (2) is passed through from porous flat plate film one end, is flowed out by the other end, film layer is oozed out
Solution；
(4) Flat Membrane obtained by step (3) is risen into 60 DEG C of dryings from room temperature, you can obtain super with photocatalysis performance
Hydrophilic ceramic membrane.
Tested through contact angle measurement, hydrophilic angle<5 °, possesses super hydrophilicity.
Embodiment 4
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are：
Its preparation method is：
Nanosilica solution and ethanol, glycerine and water are mixed into 2h, dodecyl trimethoxy silicon is added
Alkane is modified to the silica in mixed solution, makes it have Superhydrophilic, obtains super hydrophilic silicon dioxde solution；Again will
Anatase titanium dioxide powder is distributed in silicon dioxde solution, finally gives finely dispersed silicon dioxde solution-titanium dioxide
Mixed solution.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, it is characterised in that including following step
Suddenly：
(1) it is porous flat plate film removing surface is clean；
(2) super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of the configuration with photocatalysis performance；
(3) mixed solution obtained by step (2) is passed through from porous flat plate film one end, is flowed out by the other end, film layer is oozed out
Solution；
(4) Flat Membrane obtained by step (3) is risen into 60 DEG C of dryings from room temperature, you can obtain super with photocatalysis performance
Hydrophilic ceramic membrane.
Tested through contact angle measurement, hydrophilic angle<4.5 °, possesses super hydrophilicity.
Embodiment 5
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are：
Its preparation method is：
Nanosilica solution and ethanol, glycerine and water are mixed into 2h, SG-Si900 and KH550 is added to mixed
The silica closed in solution is modified, and makes it have Superhydrophilic, obtains super hydrophilic silicon dioxde solution；Again by anatase titanium dioxide
Titania solution uniformly mixes with silicon dioxde solution, finally gives finely dispersed silicon dioxde solution-titanium dioxide and mixes
Close solution.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, it is characterised in that including following step
Suddenly：
(1) it is porous flat plate film removing surface is clean；
(2) super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of the configuration with photocatalysis performance；
(3) mixed solution obtained by step (2) is passed through from porous flat plate film one end, is flowed out by the other end, film layer is oozed out
Solution；
(4) Flat Membrane obtained by step (3) is risen into 60 DEG C of dryings from room temperature, you can obtain super with photocatalysis performance
Hydrophilic ceramic membrane.
Tested through contact angle measurement, hydrophilic angle<5 °, possesses super hydrophilicity.
Embodiment 6
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are：
Its preparation method is：
Nanosilica solution and second alcohol and water are mixed into 2h, SG-Si900 is added to the dioxy in mixed solution
SiClx is modified, and makes it have Superhydrophilic, obtains super hydrophilic silicon dioxde solution；Anatase titanium dioxide powder is disperseed again
To in silicon dioxde solution, finely dispersed silicon dioxde solution-titanium dioxide mixed solution is finally given.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, it is characterised in that including following step
Suddenly：
(1) it is porous flat plate film removing surface is clean；
(2) super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of the configuration with photocatalysis performance；
(3) mixed solution obtained by step (2) is passed through from porous flat plate film one end, is flowed out by the other end, film layer is oozed out
Solution；
(4) Flat Membrane obtained by step (3) is risen into 60 DEG C of dryings from room temperature, you can obtain super with photocatalysis performance
Hydrophilic ceramic membrane.
Tested through contact angle measurement, hydrophilic angle<5 °, possesses super hydrophilicity.
Claims (7)
1. a kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, it is characterised in that comprise the following steps：
(1) it is porous flat plate film removing surface is clean；
(2) super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of the configuration with photocatalysis performance；
(3) mixed solution obtained by step (2) is passed through from porous flat plate film one end, is flowed out by the other end, film layer oozes out solution；
(4) Flat Membrane obtained by step (3) is risen into 60 DEG C of dryings from room temperature, you can obtain with the super hydrophilic of photocatalysis performance
Ceramic membrane.
2. the preparation method of the super hydrophilic ceramic membrane with photocatalysis performance according to claim 1, its feature exists
In the component and its weight ratio of the silicon dioxde solution-titanium dioxide mixed solution described in step (2) are：Nano silicon
Solution 5~20%, solvent 70~80%, super hydrophilic modifying agent 5~10%, nano titanium oxide 5~10%.
3. the preparation method of the super hydrophilic ceramic membrane with photocatalysis performance according to claim 2, its feature exists
In the nano titanium oxide is anatase titanium dioxide solution or titanium dioxide powder with nanostructured.
4. the preparation method of the super hydrophilic ceramic membrane with photocatalysis performance according to claim 2, its feature exists
In the solvent is one or more in ethanol, glycerine, polyethylene glycol, deionized water.
5. the preparation method of the super hydrophilic ceramic membrane with photocatalysis performance according to claim 2, its feature exists
In the super hydrophilic modifying agent is one or more in SG-Si900, KH550, dodecyltrimethoxysilane.
6. the preparation method of the super hydrophilic ceramic membrane with photocatalysis performance according to claim 2,3,4 or 5, its
It is characterised by, the preparation method of the silicon dioxde solution described in step (2)-titanium dioxide mixed solution is：By nanometer titanium dioxide
Silicon solution mixes 2h with solvent, adds super hydrophilic modifying agent to be modified the silica in mixed solution, has it
There is Superhydrophilic, obtain super hydrophilic silicon dioxde solution；Anatase titanium dioxide solution is mixed with silicon dioxde solution again or
Anatase titanium dioxide powder is distributed in silicon dioxde solution, finely dispersed silicon dioxde solution-titanium dioxide is finally given
Titanium mixed solution.
7. the preparation method of the super hydrophilic ceramic membrane with photocatalysis performance according to claim 1, its feature exists
In the porous flat plate film described in step (1) is aluminum oxide Flat Membrane, zirconium oxide Flat Membrane, silica Flat Membrane or carborundum
Flat Membrane.
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Cited By (8)
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| CN107899426A (en) * | 2017-12-15 | 2018-04-13 | 江西博鑫精陶环保科技有限公司 | A kind of method for treating water and processing unit for orienting selfreparing flat ceramic membrane module |
| CN109016332A (en) * | 2018-07-12 | 2018-12-18 | 歌尔股份有限公司 | Inorganic non-metallic and the combination of plastics and preparation method thereof |
| CN109954412A (en) * | 2019-03-06 | 2019-07-02 | 河海大学 | A kind of load has Ti3+-TiO2/SiO2PES ultrafiltration membrane of nano wire and its preparation method and application |
| CN110026094A (en) * | 2019-05-22 | 2019-07-19 | 哈尔滨工业大学 | A kind of preparation method of the resistant to pollution in-situ silica of high throughput/polyamide reverse osmosis nano composite membrane |
| CN110721599A (en) * | 2019-09-24 | 2020-01-24 | 江苏大学 | Preparation method and application of SGO-ZnO-PSF composite ultrafiltration membrane |
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| CN116655048A (en) * | 2023-07-17 | 2023-08-29 | 重庆工商大学 | Special wet porous material fixed bed photocatalysis water treatment reactor |
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| CN107899426A (en) * | 2017-12-15 | 2018-04-13 | 江西博鑫精陶环保科技有限公司 | A kind of method for treating water and processing unit for orienting selfreparing flat ceramic membrane module |
| CN109016332A (en) * | 2018-07-12 | 2018-12-18 | 歌尔股份有限公司 | Inorganic non-metallic and the combination of plastics and preparation method thereof |
| CN111117328A (en) * | 2018-10-30 | 2020-05-08 | 3M创新有限公司 | Preparation method of anti-fouling composition with photocatalytic performance |
| CN109954412A (en) * | 2019-03-06 | 2019-07-02 | 河海大学 | A kind of load has Ti3+-TiO2/SiO2PES ultrafiltration membrane of nano wire and its preparation method and application |
| CN109954412B (en) * | 2019-03-06 | 2021-09-24 | 河海大学 | Loaded with Ti3+-TiO2/SiO2PES ultrafiltration membrane of nanowire and preparation method and application thereof |
| CN110026094A (en) * | 2019-05-22 | 2019-07-19 | 哈尔滨工业大学 | A kind of preparation method of the resistant to pollution in-situ silica of high throughput/polyamide reverse osmosis nano composite membrane |
| CN110026094B (en) * | 2019-05-22 | 2022-04-26 | 哈尔滨工业大学 | Preparation method of high-flux anti-pollution in-situ silicon dioxide/polyamide reverse osmosis nano composite membrane |
| CN110721599A (en) * | 2019-09-24 | 2020-01-24 | 江苏大学 | Preparation method and application of SGO-ZnO-PSF composite ultrafiltration membrane |
| CN112316744A (en) * | 2020-11-09 | 2021-02-05 | 南京钛净流体技术有限公司 | Preparation method of super-hydrophilic ceramic membrane |
| CN116655048A (en) * | 2023-07-17 | 2023-08-29 | 重庆工商大学 | Special wet porous material fixed bed photocatalysis water treatment reactor |
| CN116655048B (en) * | 2023-07-17 | 2024-01-16 | 重庆工商大学 | Special wet porous material fixed bed photocatalysis water treatment reactor |
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