CN201534790U - Electro-catalytic membrane reactor device for wastewater treatment - Google Patents
Electro-catalytic membrane reactor device for wastewater treatment Download PDFInfo
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- CN201534790U CN201534790U CN200920097687XU CN200920097687U CN201534790U CN 201534790 U CN201534790 U CN 201534790U CN 200920097687X U CN200920097687X U CN 200920097687XU CN 200920097687 U CN200920097687 U CN 200920097687U CN 201534790 U CN201534790 U CN 201534790U
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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
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
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Abstract
The utility model discloses an electro-catalytic membrane reactor device for wastewater treatment, which comprises an adjustable DC voltage stabilizing power supply, a connecting wire, an electro-catalytic composite membrane, an auxiliary electrode, a liquid tank, a vacuum gauge, a peristaltic pump, a penetrating fluid tank and the like. One end of the electro-catalytic membrane is closed, and the other end thereof is connected with the peristaltic pump through a pipeline; the pump keeps providing negative pressure, and liquid penetrates out along the pipeline from outside to inside through a separation membrane; and simultaneously, the electro-catalytic composite membrane serves as an anode and the auxiliary electrode serves as a cathode, and both are respectively connected with the voltage stabilizing power supply through wires. During the membrane separation process, hydroxyl radical with strong oxidation capability is produced on the surface of the membrane by adding voltage onto the composite membrane so as to electrolyze and oxidize organic pollutants settled and attached on the surface and holes of the membrane and realize the anti-pollution performance of the membrane. The reactor device has the advantages of simple equipment, convenient operation, high efficiency, low energy consumption and the like, and can be widely applied to the treatment and the reuse of oily wastewater, dye wastewater, papermaking wastewater and other industrial wastewater.
Description
Technical field
The utility model relates to a kind of electro-catalytic membrane reactor device that is used for wastewater treatment, can be widely used in Industrial Wastewater Treatment and reuses such as oily(waste)water, waste water from dyestuff, paper waste.
Background technology
Membrane sepn has become the guardian technique that solves the significant problems such as the energy, resource and environment that China faced as a kind of energy-efficient, eco-friendly new separation technology.Yet handle in the waste water process at film, because pollutant sediment is in film surface and hole, cause the film pollution and cause that transmembrane pressure raises, membrane flux (separation efficiency) reduces, the mould material processing power descends rapidly, and cause film shortening in work-ing life, seriously influence the reliability and the economy of membrane sepn process.Film pollutes the bottleneck that has become the widespread use of restriction membrane separation technique.Therefore, the controlling diaphragm pollution problem improves the film contamination resistance and has become the key issue that will solve in the film processing waste water, also is film circle scientists and engineers's research direction and forward position.
In the last few years, membrane technique and other technologies are coupled make up multifunction and the high efficiency that a membrane reactor system realizes film and solve membrane pollution problem.Chinese patent CN101224938A discloses a kind of photocatalysis oxidation of nano material that utilizes and has suppressed the method that film pollutes, and photo catalysis reactor is combined with membrane bioreactor be used for wastewater treatment, compares with common membrane bioreactor, and membrane flux has improved 50%.U.S. Pat 2008237145A discloses a kind of photocatalytic treatment method and device, by the titanium deoxide catalyst powder being added in the reactor of tubular membrane component, is used for wastewater treatment in conjunction with photocatalysis technology and membrane separation technique.The combination of photocatalysis technology has improved the resistance to crocking and the separation efficiency of film, but that this technology exists solar energy utilization ratio is low, the problem that the catalyzer of suspension is difficult to reclaim.
U.S. Pat 6027649A discloses a kind of membrane reactor that is made up by flocculation agent and microfiltration membrane, be by flocculation agent to organic preadsorption in the sewage, reach and alleviate the purpose that film pollutes.Yet the problem that the adding of flocculation agent has caused secondary pollution and additive to be difficult to reclaim equally.Chinese patent CN101234817A discloses a kind of film carrier foamless oxygen supply biological film reactor, by microorganism on aeration and the film organic waste water is handled in organic decomposition.U.S. Pat 2004079701A discloses a kind of membrane bioreactor that is used for wastewater treatment, and this reactor is that filter assemblies is immersed in the mixed solution that is added with microorganism and porous support, is used for suppressing membrane module and pollutes organic by additive.The film bioreactor device compact construction is easy to automatization control, is difficult to artificial control but also exist microorganism, and the serious problem of biological pollution.
Chinese patent CN101104537A discloses a kind of electrocatalysis separation film water treatment device,, produces strong oxidizer the organism in the waste water is carried out strong oxidation and is purified water quality under the extra electric field effect according to nano-macromolecule material.Its advantage has been to solve organic matter degradation and purification, has sterilized in the difficult problem of one.But this device is an anode with metallic substance such as stainless steel, copper etc., and anodic stripping easily takes place, and causes secondary pollution and operational stability poor.In addition, also there are problems such as poor stability in physical bond between conductive polymer layer and the metal base.For this reason, we are at last patent " a kind of novel electro-catalytic mould material and preparation method thereof " (Chinese application number: 200910069013.3) reported that with the microporous separation membrane-carbon membrane with conductivity be matrix, adopt sol-gel method, metallic compound, water, solvent, catalyzer and other additives etc. are configured to precursor solution, through the colloidal sol ageing, film, drying and thermal treatment, finally by the incompatible preparation electro-catalytic composite membrane of formation chemical bond between metal or metal oxide oxidation catalyst coating and the matrix carbon membrane.It is characterized in that this composite membrane can use as electrode simultaneously, its electrolytic efficiency height, and do not exist catalyzer to be difficult to reclaim and secondary pollution problem.
The utility model content
The purpose of this utility model is at the deficiencies in the prior art, a kind of electro-catalytic membrane reactor device is provided, it is characterized in that this reactor can be coupled electrocatalysis technology and membrane separation technique, give the mould material self-cleaning function, realize the pollution-free operation of membrane separation technique.Membrane sepn plays a leading role in handling the waste water process, and the catalytic oxidation degraded only be deposition attached to the partial organic substances in film surface and the hole, thereby electrolytic efficiency height, energy consumption is low.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of electro-catalytic membrane reactor device that is used for wastewater treatment comprises adjustable D.C. regulated power supply (1), connection lead (2), electro-catalytic composite membrane (3), supporting electrode (4), material fluid bath (5), vacuum meter (6), peristaltic pump (7), infiltration liquid bath parts such as (8).
Described electro-catalytic membrane reactor device is that the other end is connected with peristaltic pump (7) by pipeline with the sealing of electrocatalysis film (3) one ends; Simultaneously, as anode, supporting electrode (4) is connected with voltage stabilized source (1) through lead (2) respectively as negative electrode with electro-catalytic composite membrane (3), constitutes electrolyzer.Constantly provide negative pressure by pump, feed liquid sees through separatory membrane (3) from going out along the pipeline infiltration outside to inside; In the membrane sepn process,, produce hydroxyl radical free radical (OH group), thereby, realize the antifouling property of film film surface and the long-pending organic pollutant electrolytic oxidation that adheres to of inner hole deposition with strong oxidation capacity on the film surface by composite membrane is applied voltage.
The voltage-regulation scope of described adjustable D.C. regulated power supply (1) is at 0-30V, and electric current is 0-5A.
Described electro-catalytic composite membrane (3) be a kind of be matrix to conduct electricity anti-corrosion carbon membrane, metal or metal oxide are the new membrane material of catalyst coatings preparation.
Described electro-catalytic composite membrane not only is used for membrane sepn, but utilize the electroconductibility of matrix carbon membrane itself simultaneously and stablize solidity to corrosion, as anode, and select for use stainless steel or other metallic substance as supporting electrode composite membrane, linking to each other with voltage stabilized source through lead constitutes electrolyzer.
What described electrolyzer needed oxidative degradation only is to deposit attached to the organic pollutant in film surface and the hole in the membrane sepn process, thereby energy consumption is little, and applied voltage is adjusted in 2-6V, and electric current 0.1-1.0A gets final product.
Described peristaltic pump is to be used for to negative pressure is provided in the film.With the sealing of electro-catalytic composite membrane one end, the other end links to each other with pump by pipeline, makes feed liquid see through separatory membrane from going out along the pipeline infiltration outside to inside.
Innovation part of the present utility model and beneficial effect are: electrocatalysis technology and membrane separation technique coupling are used for wastewater treatment; Equipment and technology are simple, and is easy to operate; Can not cause secondary pollution; Electro-catalytic composite membrane has improved the electro catalytic activity of film as electrode, thereby the electrolytic efficiency height; Electrode needs electrolytic oxidation only is part organic pollutant in film surface and the hole, thereby energy consumption is low.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Embodiment
Provide preferred embodiment of the present utility model below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
A kind of electro-catalytic membrane reactor device that is used for wastewater treatment comprises adjustable D.C. regulated power supply (1), connection lead (2), electro-catalytic composite membrane (3), supporting electrode (4), material fluid bath (5), vacuum meter (6), peristaltic pump (7), infiltration liquid bath parts such as (8).
In the present embodiment, material fluid bath (5) is a cylindrical vessel, also can be the hollow container of cubes or other shapes according to actual needs.Electro-catalytic composite membrane (3) be a kind of be matrix to conduct electricity anti-corrosion carbon membrane, metal or metal oxide are the new membrane material of catalyst coatings preparation.
With the sealing of electrocatalysis film (3) one ends, the other end is connected with peristaltic pump (7) by pipeline; Simultaneously, as anode, supporting electrode (4) is connected with voltage stabilized source (1) through lead (2) respectively as negative electrode with electro-catalytic composite membrane (3), constitutes electrolyzer.
During work, constantly provide negative pressure by peristaltic pump (7), feed liquid sees through separatory membrane (3) from going out along the pipeline infiltration outside to inside; Simultaneously, utilize adjustable D.C. regulated power supply (1) that composite membrane is applied voltage, produce hydroxyl radical free radical (OH group) on the film surface, thereby, realize the antifouling property of film film surface and the long-pending organic pollutant electrolytic oxidation that adheres to of inner hole deposition with strong oxidation capacity.
Because in handling the waste water process, membrane separation technique plays a leading role, the catalytic oxidation degraded only be partial organic substances in film surface and the hole, thereby energy consumption is little, voltage-regulation gets final product at 2-6V, electric current is 0.1-1.0A.
Should be pointed out that above-described only is a preferred implementation of the present utility model.For the person of ordinary skill of the art, under the prerequisite that does not break away from the utility model principle, can also make some distortion and improvement, for example: tubular membrane reactor can be designed to the flat sheet membrane reactor to the utility model; Change the membrane separation technique of inner pressed into external-compression type etc., these belong to the utility model patent application protection equally.
Claims (6)
1. the utility model discloses a kind of electro-catalytic membrane reactor device that is used for wastewater treatment, comprise adjustable D.C. regulated power supply, connect parts such as lead, electrocatalysis film, supporting electrode, material fluid bath, vacuum meter, peristaltic pump, infiltration liquid bath and ventilating water pipe, it is characterized in that: the electrocatalysis film is connected with adjustable D.C. regulated power supply by lead with supporting electrode, simultaneously the electrocatalysis film is connected with peristaltic pump by pipeline, vacuum meter by pipe connection between electrocatalysis film and peristaltic pump.
2. according to the described electro-catalytic membrane reactor device of claim 1, it is characterized in that: with the sealing of electrocatalysis film one end, the other end is connected with peristaltic pump by pipeline.
3. according to the described electro-catalytic membrane reactor device of claim 1, it is characterized in that: described electrocatalysis film is simultaneously as anode, and selects for use stainless steel or other metallic substance as supporting electrode, links to each other with voltage stabilized source through lead, with the feed liquid is electrolytic solution, constitutes electrolyzer.
4. according to the described electro-catalytic membrane reactor device of claim 1, it is characterized in that: the voltage-regulation scope of described adjustable D.C. regulated power supply is at 0-30V, and electric current is 0-5A.
5. according to the described electro-catalytic membrane reactor device of claim 1, it is characterized in that: what described electrolyzer needed oxidative degradation only is to deposit in the membrane sepn process attached to the organic pollutant in film surface and the hole, thereby energy consumption is little, and applied voltage is adjusted in 2-6V, and electric current 0.1-1.0A gets final product.
6. according to the described electro-catalytic membrane reactor device of claim 1, it is characterized in that: described peristaltic pump is to be used for to negative pressure is provided in the film, makes feed liquid see through separatory membrane from going out along the pipeline infiltration outside to inside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920097687XU CN201534790U (en) | 2009-07-09 | 2009-07-09 | Electro-catalytic membrane reactor device for wastewater treatment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200920097687XU CN201534790U (en) | 2009-07-09 | 2009-07-09 | Electro-catalytic membrane reactor device for wastewater treatment |
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| CN201534790U true CN201534790U (en) | 2010-07-28 |
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| CN200920097687XU Expired - Fee Related CN201534790U (en) | 2009-07-09 | 2009-07-09 | Electro-catalytic membrane reactor device for wastewater treatment |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103153875A (en) * | 2010-10-20 | 2013-06-12 | 德商弗朗霍夫应用研究促进学会 | Apparatus for water treatment using filtration or a membrane separation method |
| CN107117690A (en) * | 2017-06-22 | 2017-09-01 | 天津碧水源膜材料有限公司 | Electrocatalytic oxidation handles the device and method of Recalcitrant chemicals |
| CN107200394A (en) * | 2017-07-18 | 2017-09-26 | 中国科学院生态环境研究中心 | A kind of electro-catalysis ozone high grade oxidation membrane reactor wastewater treatment equipment and method |
-
2009
- 2009-07-09 CN CN200920097687XU patent/CN201534790U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103153875A (en) * | 2010-10-20 | 2013-06-12 | 德商弗朗霍夫应用研究促进学会 | Apparatus for water treatment using filtration or a membrane separation method |
| CN107117690A (en) * | 2017-06-22 | 2017-09-01 | 天津碧水源膜材料有限公司 | Electrocatalytic oxidation handles the device and method of Recalcitrant chemicals |
| CN107200394A (en) * | 2017-07-18 | 2017-09-26 | 中国科学院生态环境研究中心 | A kind of electro-catalysis ozone high grade oxidation membrane reactor wastewater treatment equipment and method |
| CN107200394B (en) * | 2017-07-18 | 2021-01-29 | 中国科学院生态环境研究中心 | Electro-catalytic ozone advanced oxidation membrane reactor wastewater treatment device and method |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: DALIAN HUAXINYUAN SCIENCE AND TECHNOLOGY DEVELOPME Free format text: FORMER OWNER: TIANJIN POLYTECHNIC UNIVERSITY Effective date: 20101019 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 300160 NO.63, CHENGLIN STREET, HEDONG DISTRICT, TIANJIN CITY TO: 116021 NO.3, XINGHAI ZHONGLONG PARK, SHAHEKOU DISTRICT, DALIAN CITY, LIAONING PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20101019 Address after: Xinghai Shahekou District of Dalian City, Liaoning Province Liuzhou Park No. 3 116021 Patentee after: Dalian Huaxinyuan Technology Development Co., Ltd. Address before: 300160 Tianjin City Hedong District Forest Road No. 63 Patentee before: Tianjin Polytechnic University |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100728 Termination date: 20130709 |