CN210287103U - Anaerobic electrochemical sludge treatment device with electrode coupled flat membrane - Google Patents
Anaerobic electrochemical sludge treatment device with electrode coupled flat membrane Download PDFInfo
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- CN210287103U CN210287103U CN201920698378.1U CN201920698378U CN210287103U CN 210287103 U CN210287103 U CN 210287103U CN 201920698378 U CN201920698378 U CN 201920698378U CN 210287103 U CN210287103 U CN 210287103U
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- 239000012528 membrane Substances 0.000 title claims abstract description 126
- 239000010802 sludge Substances 0.000 title claims abstract description 26
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 42
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 42
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 26
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 239000004744 fabric Substances 0.000 claims abstract description 18
- 239000010936 titanium Substances 0.000 claims abstract description 15
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 15
- 238000005273 aeration Methods 0.000 claims abstract description 7
- 230000001105 regulatory effect Effects 0.000 claims description 9
- 230000002572 peristaltic effect Effects 0.000 claims description 6
- 230000010287 polarization Effects 0.000 claims description 5
- 230000001276 controlling effect Effects 0.000 claims description 4
- 229910052741 iridium Inorganic materials 0.000 claims description 4
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 239000004801 Chlorinated PVC Substances 0.000 claims description 3
- 229920000457 chlorinated polyvinyl chloride Polymers 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000005276 aerator Methods 0.000 claims 1
- 244000005700 microbiome Species 0.000 abstract description 19
- 230000029087 digestion Effects 0.000 abstract description 12
- 239000000084 colloidal system Substances 0.000 abstract description 7
- 238000011084 recovery Methods 0.000 abstract description 7
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- 230000008021 deposition Effects 0.000 abstract description 5
- 238000011065 in-situ storage Methods 0.000 abstract description 5
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- 238000000746 purification Methods 0.000 abstract description 5
- 230000002708 enhancing effect Effects 0.000 abstract description 3
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- 238000011105 stabilization Methods 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 13
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- 238000004140 cleaning Methods 0.000 description 4
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- 230000008901 benefit Effects 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 3
- 238000004090 dissolution Methods 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 3
- 229920002521 macromolecule Polymers 0.000 description 3
- 238000009285 membrane fouling Methods 0.000 description 3
- 239000002028 Biomass Substances 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000005518 electrochemistry Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000001590 oxidative effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
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- 239000010865 sewage Substances 0.000 description 2
- 238000004506 ultrasonic cleaning Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 230000032770 biofilm formation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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- 238000006297 dehydration reaction Methods 0.000 description 1
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- 238000009297 electrocoagulation Methods 0.000 description 1
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- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000005374 membrane filtration Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
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- 230000007704 transition Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/30—Fuel from waste, e.g. synthetic alcohol or diesel
Abstract
The utility model discloses an anaerobic electrochemical sludge treatment device with an electrode coupled with a flat membrane, which is characterized in that two sides of a flat membrane component are provided with a membrane hanging electrode consisting of a carbon felt and a titanium net, and the membrane hanging electrode and the flat membrane component are supported by two fixed baffles and are arranged above an aeration pipe; the carbon felt/carbon cloth is arranged on two sides of the flat membrane component at a clearance distance of 10-15 mm; the titanium net is attached to the outer side of the carbon felt/carbon cloth. Compared with the prior art, the utility model have the electroactive biomembrane structure, enrich microbial population variety, directionally tame electrically conductive active function microorganism, the inside anaerobic microorganism metabolic environment of rapid stabilization improves interiorPartial digestion efficiency, can reduce the deposition of floccules, colloids and the like on a flat membrane component, relieve membrane pollution, improve the digestion efficiency of substrates, improve the quality of effluent water and realize CO2Methanation and in-situ upgrading purification of biogas, thereby reducing CO2Discharging and enhancing the recovery of biological energy.
Description
Technical Field
The utility model relates to the technical field of membrane separation and anaerobic electrochemistry, in particular to an anaerobic electrochemical sludge treatment device with a membrane-hanging load electrode coupled with a flat membrane.
Background art:
anaerobic membrane bioreactors (AnMBRs) were first proposed in the last 70 th century by Grethlein et al, and have been extensively studied and successfully applied in anaerobic treatment of industrial wastewater, domestic sewage, and the like, with continuous improvement and perfection. The technology mainly improves the treatment effect of the substrate by means of the interception effect of the pore diameter of the fine membrane on macromolecular substances and the anaerobic digestion effect of the reactor on biomass wastes such as sludge and the like in an anaerobic environment. Compared with the aerobic process and the traditional anaerobic process, the anaerobic membrane bioreactor process has multiple advantages, such as more stable anaerobic digestion process, reduced energy consumption, reduced occupied area, reduced sludge yield, improved treatment effect, enhanced energy recovery efficiency and the like. However, membrane fouling is always an important limiting factor restricting the application and popularization of the membrane fouling, and the occurrence and aggravation of the phenomenon can cause the reduction of membrane flux and the increase of membrane pressure, and then the running performance of the reactor is deteriorated. Therefore, many experts and scholars have conducted intensive research on the reduction and control of membrane fouling.
The Chinese patent application, namely a split anaerobic ceramic membrane bioreactor capable of effectively relieving membrane pollution (application publication No. CN 108191055A, application publication No. 2018.06.22), provides a method for relieving membrane pollution by combining a ceramic membrane and an anaerobic bioreactor, and the method achieves the purpose of relieving membrane pollution by the thin thickness of a ceramic membrane component and the reflux action of continuously feeding water into the reactor to scour the surface of the membrane.
Chinese patent folded plate membrane module for reducing membrane pollution in membrane bioreactor (application publication No. CN 104876327A, application publication No. 2015.09.02) proposes a method for reducing membrane pollution by combining a folded plate membrane module and a membrane reactor, which reduces the deposition of particles on the membrane surface by improving the cross flow rate of fluid near the membrane surface and enhancing the turbulence disturbance effect of the fluid near the membrane surface, thereby reducing membrane pollution, prolonging the service life of the membrane module and greatly reducing the operation cost of the membrane module.
Chinese patent "a membrane bioreactor device and a sewage treatment method for reducing membrane pollution" (application publication No. CN 104556364A, application publication No. 2015.04.29) provides a method for controlling and reducing membrane pollution by combining a rotary membrane filtration component, a three-phase separator, online ultrasonic cleaning, chemical cleaning equipment and a membrane reactor. The method increases the action of rotary shearing force by rotating the membrane filtering component, the three-phase separator is used as a gas washing source of the membrane component, and the online ultrasonic cleaning and chemical cleaning equipment is arranged to reduce the disassembling and assembling procedures in the membrane cleaning process, so that the aim of reducing membrane pollution is fulfilled.
The Chinese patent 'a system for treating sludge by coupling a rotating electrode with a flat membrane' (application publication No. CN 103979762A, application publication No. 2014.08.13) provides a method for improving the treatment effect of a reactor by combining the rotating electrode with the flat membrane, and the method improves the sludge digestion efficiency, the effluent quality and the subsequent dehydration performance by applying an electric field in the sludge and utilizing the anode electrochemistry and the electrocoagulation technology and the rotating effect of the electrode, and simultaneously slows down the membrane pollution.
In conclusion, the membrane module in the prior art has the defects of complex structure, higher cost, more complex process, high energy consumption, high operation cost and difficulty in large-scale application.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an anaerobic electrochemical sludge treatment device who hangs membrane load electrode coupling dull and stereotyped membrane that designs to the not enough of prior art, adopt dull and stereotyped membrane both sides to add the electroactive biomembrane structure of hanging membrane electrode subassembly, make it as a carrier, supply the microorganism to adhere to, grow, breed, richen microorganism population variety, the oriented electrically conductive active function microorganism that tames, thereby the inside anaerobic microorganism metabolic environment of fast stabilization, improve the digestion efficiency and the play water quality of advance kind substrate, alleviate membrane pollution, and through microorganism electro-methanation, promote CO2Methanation and biogas in-situ upgrading and purification, energy recovery efficiency is enhanced, membrane pollution rate is greatly reduced, effluent water quality is improved, subsequent treatment cost is reduced, the structure is simple, energy consumption is low, and maintenance and operation cost of the device is greatly reduced.
The purpose of the utility model is realized like this: an anaerobic electrochemical sludge treatment device with an electrode coupled with a flat membrane comprises a flat membrane component arranged in an anaerobic membrane bioreactor and an aeration pipe arranged below the flat membrane component, and is characterized in that membrane hanging electrodes consisting of carbon felts and titanium meshes are arranged on two sides of the flat membrane component, the membrane hanging electrodes and the flat membrane component are supported by two fixed baffles and are vertically arranged on the symmetry axis of the anaerobic membrane bioreactor; the bottom of the fixed baffle is provided with a slot and a guide plate, and the two guide plates and the two fixed baffles are arranged in an external splayed shape; the carbon felt/carbon cloth is arranged on two sides of the flat membrane component at a clearance distance of 10-15 mm; the titanium net is arranged on the outer side of the carbon felt/carbon cloth and is tightly attached to the carbon felt/carbon cloth; the fixed baffle is arranged on the outer side of the titanium net and is tightly attached to the titanium net; the flat membrane component and the membrane hanging electrode are clamped in the two fixed baffles by the slots and are spliced with the slots; the aeration pipe is arranged in the two guide plates which are arranged in an external splayed shape; the titanium net is electrically connected with the potential regulating device; the anaerobic membrane bioreactor (the top of which is provided with a biogas circulation pipeline consisting of a wet gas flowmeter and a circulation air pump, a sludge inlet pipe and a water outlet pipe, wherein the sludge inlet pipe is provided with a sludge peristaltic pump, one end of the water outlet pipe is connected with a water outlet at the upper part of the flat membrane component, and the other end of the water outlet pipe is sequentially connected with a pressure gauge and a water outlet peristaltic pump.
The potential regulating device is used for controlling and regulating the polarization current output of the film-forming electrode to ensure that the polarization current output is constant at a set potential value.
And a heat-insulating layer is arranged outside the anaerobic membrane bioreactor.
The flat membrane component is a plate type membrane filter made of a chlorinated polyvinyl chloride membrane with the pore diameter of 0.20-0.45 micrometer.
And an active coating of iridium is arranged on the titanium mesh.
Compared with the prior art, the utility model have following advantage and technological effect:
1) and the biofilm formation electrode can be used for depositing microorganisms, floccules, colloids, macromolecular particles and the like to form a similar electroactive biomembrane structure, so that the diversity of microbial populations is enriched, the microorganisms with conductive activity function are directionally domesticated, the metabolic environment of the anaerobic microorganisms in the film formation electrode is rapidly stabilized, the internal digestion efficiency is improved, meanwhile, the deposition of floccules, colloids and the like on a flat plate film component can be reduced, and the film pollution is relieved.
2) The dissolution of extracellular polymeric substances and the disintegration of flocs are promoted through the microbial methanation, the substrate digestion efficiency is improved, the effluent quality is improved, and CO is realized at the same time2Methanation and in-situ upgrading purification of biogas, thereby reducing CO2Discharging and enhancing the recovery of biological energy.
3) Under the action of the flow guide baffle, the scouring of the inside biogas on the surface of the flat membrane can be enhanced, the deposition of membrane pollutants is reduced, and the membrane pollution rate is further reduced.
4) The membrane pollution control effect is good, no secondary pollution is caused, the recovery efficiency of the bioenergy is greatly improved, and the application prospect is better.
5) The device has the advantages of simple structure, convenience in installation, low maintenance cost, stability in operation, low requirement on operators, capability of treating different types of matrixes, small occupied area, good concentration effect and capability of reducing subsequent treatment cost.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a flat sheet membrane module;
FIG. 3 is a schematic view of a flat sheet membrane module installation.
Detailed Description
Referring to the attached figure 1, the utility model comprises a flat membrane component 12 arranged in an anaerobic membrane bioreactor 10 and an aeration pipe 9 arranged below the flat membrane component 12, wherein membrane hanging electrodes consisting of carbon felts/carbon cloths 5 and titanium meshes 6 are arranged on two sides of the flat membrane component 12, and the membrane hanging electrodes and the flat membrane component 12 are supported by two fixed baffles 4 and are vertically arranged on the symmetry axis of the anaerobic membrane bioreactor 10; the bottom of the fixed baffle 4 is provided with a slot 7 and a guide plate 8, and the two guide plates 8 and the two fixed baffles 4 are arranged in an external splayed shape; the carbon felt/carbon cloth 5 is arranged on two sides of the flat membrane component 12 at a clearance distance of 10-15 mm; the titanium mesh 6 is arranged on the outer side of the carbon felt/carbon cloth 5 and is tightly attached to the carbon felt/carbon cloth 5; the fixed baffle 4 is arranged on the outer side of the titanium mesh 6 and is tightly attached to the titanium mesh 6; the flat membrane component 12 and the membrane hanging electrode are clamped in the two fixed baffles 4 by the slot 7 and are inserted into the slot 7; the aeration pipe 9 is arranged in the two guide plates 8 which are arranged in an external splayed shape; the titanium net 6 is electrically connected with a potential regulating device 13; the top of the anaerobic membrane bioreactor 10 is provided with a biogas circulating pipeline 18 consisting of a wet gas flowmeter 14 and a circulating gas pump 11, a sludge inlet pipe 16 and a water outlet pipe 17; a sludge peristaltic pump 15 is arranged on the sludge inlet pipe 16; one end of the water outlet pipe 17 is connected with a water outlet at the upper part of the flat membrane component 12, and the other end is sequentially connected with a pressure gauge 2 and a water outlet peristaltic pump 1; the potential regulating device 13 is used for controlling and regulating the output of the polarization current of the film-forming electrode to ensure that the polarization current is constant at a set potential value; and the heat-insulating layer 3 is arranged outside the anaerobic membrane bioreactor 10.
Referring to FIGS. 2 to 3, the film-hanging electric deviceThe electrode comprises: the carbon felt/carbon cloth 5 is arranged on two sides of the flat membrane component 12 and is fixed on the slot 7 of the fixed baffle 4 together with the flat membrane component 1, and the carbon felt/carbon cloth 5 and the flat membrane component 12 have a gap distance of 5-10 mm; the titanium mesh 6 is an active coating provided with metal iridium, and the titanium mesh 6 is superposed on the outer side of the carbon felt/carbon cloth 5 and is tightly attached and fixed with the conductive carbon felt/carbon cloth 5. The carbon felt/carbon cloth 5 is used for microorganisms to adhere, grow and reproduce to form a structure similar to an electroactive biomembrane, enriches the diversity of microorganism populations, directionally domesticates microorganisms with conductive active functions, quickly stabilizes the metabolic environment of internal anaerobes, improves the digestion efficiency of biomass wastes such as sludge and the like and the quality of effluent, has conductive performance and electronic conductivity, and can be used for subsequent electrochemical operation. Under the electrochemical action, the iridium-plated titanium mesh 6 generates hydroxyl free radicals with strong oxidizing property, promotes the dissolution and floc disintegration of extracellular polymers, thereby improving the utilization and conversion rate of a substrate, and simultaneously performs the action of microbial methane to promote CO2Methanation and biogas in-situ upgrading and purification, and energy recovery efficiency is enhanced. The flat membrane component 12 is made of chlorinated polyvinyl chloride, has a pore diameter of 0.20-0.45 microns, and can intercept bacteria, microorganisms, colloids, macromolecular substances and the like, thereby purifying water quality.
The utility model discloses a 12 both sides of dull and stereotyped membrane module increase by carbon felt/carbon cloth 5 and the membrane electrode of hanging that 6 constitutions of titanium net, can supply deposits such as microorganism, floccus, colloid, macromolecule particulate matter, form similar electroactive biomembrane structure, and the inside anaerobic microorganism metabolic environment of rapid stabilization improves inside digestion efficiency, can reduce the deposit on dull and stereotyped membrane module 12 surfaces such as floccus, colloid simultaneously. And, under the effect of guide plate 8, the internal circulation of biogas caused by aeration pipe 9 not only can make the solution in anaerobic membrane bioreactor 10 mix evenly, strengthen the mass transfer effect, improve the internal digestion efficiency, but also can strengthen the scouring of biogas to the surface of the flat membrane component 12 arranged above it, prevent the deposition of floccule, colloid, etc. on its surface, thus alleviate membrane pollution, and prolong the cleaning cycle and service life of flat membrane component 12. During the whole operation, carbon is utilizedThe electric conductivity of the film-forming electrode consisting of the felt/carbon cloth 5 and the titanium mesh 6 is applied with voltage potential, and the growth and enrichment of special electrochemical microorganisms can be induced through the electrochemical action of the microorganisms, so that the ecological structure of the microorganisms is enriched and stabilized, the anaerobic digestion process is stabilized, the hydrolysis of a substrate is promoted, and the utilization and the conversion of the substrate are enhanced. Meanwhile, the electrode of the titanium mesh 6 plated with the iridium active transition layer can generate hydroxyl free radicals with strong oxidizing effect, and can promote dissolution of extracellular polymers and floc disintegration, so that the removal rate of pollutants is improved, and the quality of effluent water is improved. In addition, the anode oxidatively decomposes organic substances based on microbial electrocathanation, thereby releasing protons (H)+) Extracellular output of electrons (e)−) And under the action of external potential (about 0.2-0.8V), the electrons gathered at the anode are transmitted to the cathode, and CO can be catalytically reduced through the induction action of cathode electroactive microorganisms2Realization of CO2Methanation and in-situ upgrading purification of biogas, thereby promoting CO2Reducing emission and improving the energy recovery efficiency.
The present invention is further described without limiting the scope of the present invention, and all equivalent implementations of the present invention are intended to be encompassed by the scope of the claims of the present invention.
Claims (5)
1. An anaerobic electrochemical sludge treatment device with an electrode coupled with a flat membrane comprises a flat membrane component (12) arranged in an anaerobic membrane bioreactor (10) and an aerator pipe (9) arranged below the flat membrane component (12), and is characterized in that membrane hanging electrodes consisting of carbon felts/carbon cloths (5) and titanium nets (6) are arranged on two sides of the flat membrane component (12), the membrane hanging electrodes and the flat membrane component (12) are supported by two fixed baffles (4), and are vertically arranged on the symmetry axis of the anaerobic membrane bioreactor (10); the bottom of the fixed baffle (4) is provided with a slot (7) and guide plates (8), and the two guide plates (8) and the two fixed baffles (4) are arranged in a shape of an external Chinese character 'ba'; the carbon felt/carbon cloth (5) is arranged on two sides of the flat membrane component (12) at a clearance distance of 10-15 mm; the titanium net (6) is arranged on the outer side of the carbon felt/carbon cloth (5) and is tightly attached to the carbon felt/carbon cloth (5); the fixed baffle (4) is arranged on the outer side of the titanium net (6) and is tightly attached to the titanium net (6); the flat membrane component (12) and the membrane hanging electrode are clamped in the two fixed baffles (4) by the slot (7) and are inserted into the slot (7); the aeration pipe (9) is arranged in the two guide plates (8) which are arranged in a splayed shape; the titanium net (6) is electrically connected with a potential regulating device (13); the top of the anaerobic membrane bioreactor (10) is provided with a biogas circulating pipeline (18) consisting of a wet gas flowmeter (14) and a circulating air pump (11), a sludge inlet pipe (16) and a water outlet pipe (17); a sludge peristaltic pump (15) is arranged on the sludge inlet pipe (16); one end of the water outlet pipe (17) is connected with a water outlet at the upper part of the flat membrane component (12), and the other end is sequentially connected with the pressure gauge (2) and the water outlet peristaltic pump (1).
2. The anaerobic electrochemical sludge treatment device with the electrode coupled with the flat membrane as claimed in claim 1, wherein the potential regulating device (13) is used for controlling and regulating the output of polarization current of the membrane hanging electrode to be constant at a set potential value.
3. The anaerobic electrochemical sludge treatment device with the electrode coupled with the flat membrane as claimed in claim 1, wherein the anaerobic membrane bioreactor (10) is externally provided with an insulating layer (3).
4. The anaerobic electrochemical sludge treatment device with the electrode-coupled flat membrane as claimed in claim 1, wherein the flat membrane module (12) is a plate-type membrane filter made of a chlorinated polyvinyl chloride membrane with a pore size of 0.20-0.45 μm.
5. The anaerobic electrochemical sludge treatment device with the electrode-coupled flat membrane as claimed in claim 1, wherein the titanium mesh (6) is provided with an active coating of metallic iridium.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110078333A (en) * | 2019-05-16 | 2019-08-02 | 华东师范大学 | A kind of anaerobism electrochemistry sludge treatment equipment of electrode coupling plate membrane |
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2019
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110078333A (en) * | 2019-05-16 | 2019-08-02 | 华东师范大学 | A kind of anaerobism electrochemistry sludge treatment equipment of electrode coupling plate membrane |
CN110078333B (en) * | 2019-05-16 | 2024-03-22 | 华东师范大学 | Anaerobic electrochemical sludge treatment device with electrode coupled with flat membrane |
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