CN106902645B - 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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- CN106902645B CN106902645B CN201710081576.9A CN201710081576A CN106902645B CN 106902645 B CN106902645 B CN 106902645B CN 201710081576 A CN201710081576 A CN 201710081576A CN 106902645 B CN106902645 B CN 106902645B
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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
-
- 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
-
- 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 fields of field of inorganic nonmetallic material, and in particular to a kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance.The following steps are included: (1) cleans out porous flat plate film surface；(2) configuration has super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of photocatalysis performance；(3) step (2) resulting mixed solution is passed through from porous flat plate film one end, is flowed out by the other end, film layer oozes out solution；(4) step (3) resulting plate membrane is risen into 60 DEG C of dryings from room temperature.5 ° of the hydrophilic angle < of ceramic membrane of preparation method preparation, is remarkably improved the efficiency of processing sewage；Supporter and film layer all have super hydrophilicity, are more advantageous to water and pass through, and promote the strainability of ceramic membrane further；Ceramic membrane has photocatalysis performance after ultraviolet treatment with irradiation, can decompose organic matter, effectively enhances the regenerability of ceramic membrane.
Description
Technical field
The invention belongs to the porous ceramic film material fields 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 technique
Core component of the ceramic membrane as MBR system, with resistance tocrocking is good, is readily cleaned regeneration, service life
Long, the advantages that chemical stability is good, high mechanical strength, existing hollow-fibre membrane, organic ceramic membrane can be effectively solved in work
The problems such as service life present in journey application process is short, vulnerable to acid and alkali corrosion, especially suitable for containing special media, highly concentrated
The purification of degree, difficult sewage, is the separation material of great development prospect.
During use, with the attachment of pollutant, air permeance resistance is gradually increased existing ceramic membrane, is increased
Operating 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 saving operating cost.
Summary of the invention
The preparation method of the purpose of the present invention is to provide a kind of super hydrophilic ceramic membrane with photocatalysis performance,
Simple process, energy conservation and environmental protection, low temperature drying are that can reach the performance of super hydrophilic (5 ° of hydrophilic angle <).
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, comprising the following steps:
(1) porous flat plate film surface is cleaned out；
(2) configuration has super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of photocatalysis performance；
(3) step (2) resulting mixed solution is passed through from porous flat plate film one end, is flowed out by the other end, film layer exudation
Solution；
(4) step (3) resulting plate membrane is risen into 60 DEG C of dryings from room temperature, can be obtained super with photocatalysis performance
Hydrophilic ceramic membrane.
Further, silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio described in step (2)
Are as follows: nanosilica solution 5~20%, super hydrophilic modifying agent 5~10%, nano-titanium dioxide 5~10%.
Further, the nano-titanium dioxide is anatase titanium dioxide solution or titanium dioxide with nanostructure
Powder.
Further, the solvent is one or more of ethyl alcohol, glycerine, polyethylene glycol, deionized water.
Further, the super hydrophilic modifying agent is SG-Si900, KH550, one in dodecyltrimethoxysilane
Kind is several.
Further, silicon dioxde solution-titanium dioxide mixed solution described in step (2) will be the preparation method comprises the following steps: will receive
2h is mixed in rice silicon dioxde solution and solvent, and super hydrophilic modifying agent is added and changes to the silica in mixed solution
Property, Superhydrophilic is made it have, super hydrophilic silicon dioxde solution is obtained；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, and it is molten to finally obtain finely dispersed silica
Liquid-titanium dioxide mixed solution.
Compared with prior art, the present invention having the following beneficial effects:
The hydrophily of ceramic membrane, the super hydrophilic ceramic membrane warp of preparation can be changed in preparation method of the present invention
Low temperature drying can be obtained correlated performance, thus the preparation method has many advantages, such as simple process, at low cost；The plate of preparation is made pottery
5 ° of the hydrophilic angle < of porcelain film, greatly reduces filtration resistance, is remarkably improved the efficiency of processing sewage；Supporter and film layer all have
Super hydrophilicity is more advantageous to water and passes through, and promotes the strainability of ceramic membrane further；Ceramic membrane is through ultraviolet treatment with irradiation
There is photocatalysis performance afterwards, can decompose organic matter, effectively enhance 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 as follows:
Preparation method are as follows:
2h is mixed in nanosilica solution and glycerine and water, SG-Si900 is added to two in mixed solution
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 obtains finely dispersed silicon dioxde solution-titanium dioxide mixed solution.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, which is characterized in that including following step
It is rapid:
(1) porous flat plate film surface is cleaned out；
(2) configuration has super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of photocatalysis performance；
(3) step (2) resulting mixed solution is passed through from porous flat plate film one end, is flowed out by the other end, film layer exudation
Solution；
(4) step (3) resulting plate membrane is risen into 60 DEG C of dryings from room temperature, can be obtained super with photocatalysis performance
Hydrophilic ceramic membrane.
It is tested through contact angle measurement, hydrophilic angle < 4 ° have super hydrophilicity.
Embodiment 2
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are as follows:
Preparation method are as follows:
2h is mixed in nanosilica solution and second alcohol and water, 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 obtained.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, which is characterized in that including following step
It is rapid:
(1) porous flat plate film surface is cleaned out；
(2) configuration has super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of photocatalysis performance；
(3) step (2) resulting mixed solution is passed through from porous flat plate film one end, is flowed out by the other end, film layer exudation
Solution；
(4) step (3) resulting plate membrane is risen into 60 DEG C of dryings from room temperature, can be obtained super with photocatalysis performance
Hydrophilic ceramic membrane.
It is tested through contact angle measurement, hydrophilic angle < 4 ° have super hydrophilicity.
Embodiment 3
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are as follows:
Preparation method are as follows:
2h is mixed in nanosilica solution and second alcohol and water, 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 is uniformly mixed with silicon dioxde solution, finally obtains finely dispersed silicon dioxde solution-titanium dioxide mixing
Solution.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, which is characterized in that including following step
It is rapid:
(1) porous flat plate film surface is cleaned out；
(2) configuration has super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of photocatalysis performance；
(3) step (2) resulting mixed solution is passed through from porous flat plate film one end, is flowed out by the other end, film layer exudation
Solution；
(4) step (3) resulting plate membrane is risen into 60 DEG C of dryings from room temperature, can be obtained super with photocatalysis performance
Hydrophilic ceramic membrane.
It is tested through contact angle measurement, hydrophilic angle < 5 ° have super hydrophilicity.
Embodiment 4
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are as follows:
Preparation method are as follows:
2h is mixed in nanosilica solution and ethyl alcohol, glycerine and water, dodecyl trimethoxy silicon is added
Alkane is modified 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 obtains finely dispersed silicon dioxde solution-titanium dioxide
Mixed solution.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, which is characterized in that including following step
It is rapid:
(1) porous flat plate film surface is cleaned out；
(2) configuration has super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of photocatalysis performance；
(3) step (2) resulting mixed solution is passed through from porous flat plate film one end, is flowed out by the other end, film layer exudation
Solution；
(4) step (3) resulting plate membrane is risen into 60 DEG C of dryings from room temperature, can be obtained super with photocatalysis performance
Hydrophilic ceramic membrane.
It is tested through contact angle measurement, hydrophilic angle < 4.5 ° have super hydrophilicity.
Embodiment 5
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are as follows:
Preparation method are as follows:
2h is mixed in nanosilica solution and ethyl alcohol, glycerine and water, SG-Si900 and KH550 is added to mixed
The silica closed in solution is modified, and is made it have Superhydrophilic, is obtained super hydrophilic silicon dioxde solution；Again by anatase titanium dioxide
Titania solution is uniformly mixed with silicon dioxde solution, and it is mixed to finally obtain finely dispersed silicon dioxde solution-titanium dioxide
Close solution.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, which is characterized in that including following step
It is rapid:
(1) porous flat plate film surface is cleaned out；
(2) configuration has super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of photocatalysis performance；
(3) step (2) resulting mixed solution is passed through from porous flat plate film one end, is flowed out by the other end, film layer exudation
Solution；
(4) step (3) resulting plate membrane is risen into 60 DEG C of dryings from room temperature, can be obtained super with photocatalysis performance
Hydrophilic ceramic membrane.
It is tested through contact angle measurement, hydrophilic angle < 5 ° have super hydrophilicity.
Embodiment 6
Super hydrophilic silicon dioxde solution-titanium dioxide mixed solution component and its weight ratio with photocatalysis performance are as follows:
Preparation method are as follows:
2h is mixed in nanosilica solution and second alcohol and water, 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 dispersed again
Into silicon dioxde solution, finely dispersed silicon dioxde solution-titanium dioxide mixed solution is finally obtained.
A kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, which is characterized in that including following step
It is rapid:
(1) porous flat plate film surface is cleaned out；
(2) configuration has super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of photocatalysis performance；
(3) step (2) resulting mixed solution is passed through from porous flat plate film one end, is flowed out by the other end, film layer exudation
Solution；
(4) step (3) resulting plate membrane is risen into 60 DEG C of dryings from room temperature, can be obtained super with photocatalysis performance
Hydrophilic ceramic membrane.
It is tested through contact angle measurement, hydrophilic angle < 5 ° have super hydrophilicity.
Claims (2)
1. a kind of preparation method of the super hydrophilic ceramic membrane with photocatalysis performance, which comprises the following steps:
(1) porous flat plate film surface is cleaned out；
(2) configuration has super hydrophilic silicon dioxde solution-titanium dioxide mixed solution of photocatalysis performance；
(3) step (2) resulting mixed solution is passed through from porous flat plate film one end, is flowed out by the other end, film layer oozes out solution；
(4) step (3) resulting plate membrane is risen into 60 DEG C of dryings from room temperature, can be obtained with the super hydrophilic of photocatalysis performance
Ceramic membrane；
Silicon dioxde solution described in step (2)-titanium dioxide mixed solution is the preparation method comprises the following steps: by nanosilica solution
2h is mixed with solvent, super hydrophilic modifying agent is added, the silica in mixed solution is modified, make it have super parent
It is aqueous, obtain super hydrophilic silicon dioxde solution；Anatase titanium dioxide solution mixed with silicon dioxde solution again or by rutile titania
Type titanium dioxide powder is distributed in silicon dioxde solution, finally obtains finely dispersed silicon dioxde solution-titanium dioxide mixing
Solution；
Silicon dioxde solution described in step (2)-titanium dioxide mixed solution component and its weight ratio are as follows: nano silica
Solution 5~20%, solvent 70~80%, super hydrophilic modifying agent 5~10%, nano-titanium dioxide 5~10%；
Nano-titanium dioxide is anatase titanium dioxide solution or titanium dioxide powder with nanostructure；
Solvent is one or more of ethyl alcohol, glycerine, polyethylene glycol, deionized water；
Super hydrophilic modifying agent is one or more of SG-Si900, KH550, dodecyltrimethoxysilane.
2. the preparation method of the super hydrophilic ceramic membrane according to claim 1 with photocatalysis performance, feature exist
In porous flat plate film described in step (1) is aluminium oxide plate membrane, zirconium oxide plate membrane, silica plate membrane or silicon carbide
Plate membrane.
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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 |
| CN109016332B (en) * | 2018-07-12 | 2020-08-25 | 歌尔股份有限公司 | Inorganic nonmetal and plastic combined body 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 |
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| CN112316744B (en) * | 2020-11-09 | 2021-06-11 | 南京钛净流体技术有限公司 | Preparation method of super-hydrophilic ceramic membrane |
| 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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