CN103435159A - Organic membrane bioreactor integrating wastewater treatment and electric energy output - Google Patents
Organic membrane bioreactor integrating wastewater treatment and electric energy output Download PDFInfo
- Publication number
- CN103435159A CN103435159A CN2013103501958A CN201310350195A CN103435159A CN 103435159 A CN103435159 A CN 103435159A CN 2013103501958 A CN2013103501958 A CN 2013103501958A CN 201310350195 A CN201310350195 A CN 201310350195A CN 103435159 A CN103435159 A CN 103435159A
- Authority
- CN
- China
- Prior art keywords
- membrane
- reactor
- electric energy
- anode
- wastewater treatment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/50—Fuel cells
Landscapes
- Activated Sludge Processes (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
An organic membrane bioreactor integrating wastewater treatment and electric energy output belongs to the field of environmental protection technology and new energy resources and is characterized in that polymer matrix conductive composite membranes are used as electrodes in a reactor; anodes in an anaerobic area inoculate electricity-generating bacteria; waste water enters the anaerobic area firstly, and then enters an aerobic area; aerobes are used for further removing pollutants in water; cathode membranes are used for filtering effluent; the anodes and the cathodes are arranged in an alternated manner and are connected through an external circuit, so as to directly convert partial chemical energy existing in waste water organic pollutants into electric energy. The organic membrane bioreactor has the effects and benefits that both the cathodes and the anodes are made of conductive film materials, so that the reactor can degrade waste water while outputting electric energy, so as to realize energy conservation, emission reduction and energy source recycle, and the environmental benefits, economic benefits and social benefits are remarkable.
Description
Technical field
The invention belongs to new forms of energy and environmental protection technical field, relate to the field that wastewater treatment and energy recovery are utilized, specially refer to a kind of collection wastewater treatment and the electric energy that directly chemical energy are converted into to electric energy and export integrated organic membrane membrane bioreactor.
Background technology
MBR has higher sewage treating efficiency because of it and less floor space is paid close attention to widely.But film pollution and high energy consumption problem have restricted its development.At present a large amount of research concentrates on exploitation and has high-throughput, mould material that antifouling property is good; In addition, apply electric microfield on film, micro-magnetic field is also the effective way of decelerating membrane pollution.In recent years due to conducting film apply electric microfield effectively decelerating membrane pollution paid close attention to widely.The most conducting film concentrates on research carbon material and metal oxide materials.Although it conducts electricity very well carbon material, be difficult for polymerization, performance is difficult to optimize and is with high costs, is difficult to be applied in the actual waste water processing; Metal oxide materials has good catalytic performance, but has the long-time running stability problem, and its cost is also higher, has in actual applications significant limitation.Organic polymer material is due to low cost, and wide material sources, and its redox processes completely reversibility possess potential exploitation and are worth in actual waste water is processed.In the 1-6 of " Proc. Natl. Acad. Sci.USA " (2012), the people such as Pan Lijia has introduced with aniline and phytic acid polymerization and has formed the organic double compound carbon film material that gel attached person form high conductivity on carbon cloth, but the carbon cloth price is high, be difficult to be applied in the actual waste water processing; In the patent that is CN103100314A in the patent No., Liu Lifen, Li Na etc. disclose a kind of method that thereby aniline phytic acid gel polymerisation has been made on filter cloth to mixture base conducting film, but the reactor configuration Anodic of introducing at her adopts graphite granule, and cathode area is little, accessible wastewater flow rate is limited; At 2009(100 on " bioenergy technology " magazine by Britain issuing) people such as Zhongjian Li introduces in 2551-2555 microbiological fuel cell configuration is that circular anode is placed in to the hollow cathode outside, anode and negative electrode adopt electro-conductive material, but the electro-conductive material of negative electrode does not have strainability.
Summary of the invention
The purpose of this invention is to provide a kind of novel collection wastewater treatment and electric energy and exported integrated organic membrane membrane bioreactor configuration, this kind of configuration simplified structure of reactor, shortened interelectrode distance, realized strengthening mobile and mass transfer; Reactor adopts organic double compound conducting membrane material with low cost as anode and cathodic coating, has solved membrane bioreactor problem with high costs; Reactor Anodic and cathodic coating filtration area increase, and pro rata amplification cathode and anode can be applied to actual waste water and process; Reactor can be converted into utilization of power by the part chemical energy of waste water.
Technical scheme of the present invention is:
1) anode and cathode material all use the organic double compound conducting film to make.
2) reactor configuration has two kinds of loop configurations and flat sheet configuration.
3) in the collection wastewater treatment of loop configurations and electric energy are exported integrated organic membrane membrane bioreactor, anonite membrane and cathodic coating are made cylindrical annular simultaneously, reactor configuration has two schemes: a kind of is that anode is placed in cathodic coating in anaerobic environment as interior ring, cathodic coating in aerobic environment, adopts the oxygen barrier medium to separate as outer shroud between positive column and cathodic area; Another kind be anonite membrane as outer shroud, cathodic coating is placed in anonite membrane as interior ring, interior ring is in aerobic environment, outer shroud is in anaerobic environment; The electrode of annular is sewed up and is formed by the coated porous propping material plastic wire in duplicature the inside; Anode annular membrane and negative electrode ring-type membrane area are more or less the same, anode annular membrane electrode and negative electrode ring-type membrane electrode spacing 10mm.
4) the collection wastewater treatment of flat sheet configuration and electric energy are exported integrated organic membrane membrane bioreactor for thin and high configuration.Reactor is provided with three cathodic coating assemblies altogether, two anonite membrane assemblies, and negative and positive the two poles of the earth membrane module configuration is the rectangular parallelepiped of sealing, and anode is relatively higher than negative electrode; Membrane module adopts K-A-K-A-negative electrode form, with draw-in groove, blocks and is arranged in reactor; Sealing rectangular parallelepiped in negative and positive the two poles of the earth, by two dull and stereotyped compositions, is made a call to the parallel slot of two rows on every flat board; For connecting rising pipe, negative electrode rectangular parallelepiped top connects pipe, is the overflow voluntarily of water in anode, and circular hole is established on anode rectangular parallelepiped top; Reactor base is provided with total water inlet, through two reduction of fractions to a common denominators, does not use hose and two anodic bondings, for anode, intakes; The aeration main entrance is relative with total water inlet, is placed in the reactor another side, through three general hoses, with three negative electrodes, is connected respectively, and anticathode carries out aeration; Principal feature of the present invention is all to keep elongated and narrow space in the two poles of the earth.
5) exporting integrated organic membrane membrane bioreactor in the collection wastewater treatment of loop configurations with electric energy compares with the reactor of equal size, the cathodic coating filtration area increase be twice above, improved sewage treating efficiency, amplified in proportion and can be applied to the actual waste water processing.
6) in the collection wastewater treatment of loop configurations and electric energy are exported integrated organic membrane membrane bioreactor, upper part of cathodic coating vertically can also be exposed in air, close aeration, form air cathode.
7) the organic double compound conducting film of making anode is formed by aniline phytic acid gel polymerisation; The organic polymer conducting film of making negative electrode has two kinds: a kind of is that cathode material is consistent with anode material; A kind of is that cathode material is formed by aniline phytic acid gel dopant ion liquid polymeric.
8) using the organic polymer conducting membrane material as anode and cathodic coating be placed in reactor, anode and cathodic coating are alternately placed, at first water inlet enters the positive column of anaerobism, then enters aerobic cathodic area.
9) anode and cathodic coating are connected to external circuit with carbon cloth, and cathodic coating filters water outlet by suction pump.
10) separate with oxygen flow medium not between anode and negative electrode, reach the anaerobic environment of positive column.
11) initial operating stage, plate load electrogenesis bacterium, utilize electrogenesis bacterium oxidation substrates, produces electronics.
12) the electrogenesis bacterium of positive column produces electronics, and electronics arrives cathodic coating by external circuit, and on cathodic coating, electronics and combination with oxygen produce water.
Effect of the present invention and benefit are with low cost as the organic polymer conducting film of electrode, wide material sources, and practical value is high; The cathodic coating area increases, and has promoted filtration efficiency; The area of anode and negative electrode is larger, can pro rataly be applied in the actual waste water processing; Reactor is realized electric energy output in efficient sewerage processing, reaches the target that energy recovery is utilized; The reactor of this configuration has reduced the floor space of sewage disposal, and negative electrode adopts conducting film collection wastewater treatment and electric energy output of one, and the electric microfield in reactor has slowed down the film pollution effectively.
The accompanying drawing explanation
In figure: 1. water-in; 2. water outlet peristaltic pump; 3. the round membrane assembly negative electrode of holding concurrently; 4. anode; 5. aerating apparatus.
Accompanying drawing 2 is that the wastewater treatment of loop configurations collection and electric energy are exported integrated organic membrane membrane bioreactor schematic diagram vertical view.
In figure: 6. oxygen barrier film material.
Accompanying drawing 3 is that the wastewater treatment of flat sheet configuration collection and electric energy are exported integrated organic membrane membrane bioreactor schematic diagram.
In figure: 1 water-in; 2 solarization air caps; 3 anonite membrane assemblies; 4 cathodic coating assemblies; 5 go out water pump; 6 negative electrodes are derived carbon fiber line; 7 anodes are derived carbon fiber line; 8 outer meeting resistances; 9 computers.
Accompanying drawing 4 is collection wastewater treatment and electric energy output integrated apparatus cell voltage potential figure.
Mean reactor run duration anode potential (V) variation diagram of (h) in time in figure.In figure, X-coordinate means reactor working time, and ordinate zou means anode potential, and external resistance is 500 Ω; See that from figure anode potential presents metastable electromotive force within a very long time.
Accompanying drawing 5 is collection wastewater treatment and electric energy output integrated apparatus anode potential figure.
Mean run duration cell voltage potential (V) variation diagram of (h) in time in figure.In figure, X-coordinate means reactor working time, and ordinate zou means cell voltage potential, and external resistance is 500 Ω; Show in figure that reactor presents higher cell voltage potential within the operation a very long time, the prolongation along with the time afterwards occurs that film pollutes, and cell voltage potential weakens.Embodiment
Describe the specific embodiment of the present invention in detail below in conjunction with technical scheme and accompanying drawing.
Reactor adopts the loop configurations reactor, and anode is placed in interior ring, and negative electrode is placed in outer shroud.Negative electrode and positive electrode forms the polymer-matrix electric conduction composite membrane with aniline and phytic acid at the filter cloth surface aggregate.At first reactor operation anode in early stage introduces the Shewanella of electrogenesis, cultivates 7 days, regularly adds nutrition, completes the bacterial classification biofilm.On the polymer-matrix electric conduction composite membrane, and be connected external 500 Ω resistance with external circuit using it as wire using carbon fiber wire as wire.Utilize gas meter to regulate the aeration rate size, make the cathode dissolution oxygen of aerobic zone keep normal level.At first water inlet enters positive column, then enters cathodic area.During reactor is stable, cell voltage potential reaches 0.12V, and anode potential reaches 0.4V, and the COD clearance is up to 99.5%.
Reactor adopts the loop configurations reactor, and anode is placed in outer shroud, and negative electrode is placed in outer shroud.Annode area is greater than cathode area, and anode and cathodic coating all adopt aniline and phytic acid to form the polymer-matrix electric conduction composite film material at the filter cloth surface aggregate, external 500 Ω resistance, and stable phase cell voltage potential is up to 0.13V.
Embodiment 3
Reactor adopts the loop configurations reactor, and anode is placed in outer shroud, and negative electrode is placed in outer shroud.Anonite membrane forms the polymer-matrix electric conduction composite film material with the aniline phytic acid at the filter cloth surface aggregate, negative electrode adopts aniline and phytic acid doping 1-butyl-3-Methylimidazole bromine salt ion liquid to form organic polymer-based conductive composite film material at the filter cloth surface aggregate, negative electrode is closed aeration, the part cathode material is exposed in air, form air cathode, the stable phase cell voltage potential of external 500 Ω is up to 0.17V.
This example is that flat wastewater treatment and electric energy are exported integrated organic membrane membrane bioreactor.This reactor is provided with three negative electrodes, two anodes, and anode and cathode membrane module configuration is the rectangular parallelepiped of sealing, the wide 5mm that is; The negative electrode rectangular parallelepiped is by long 150mm, two dull and stereotyped sealing rectangular parallelepipeds that form of wide 50mm, make a call to two platoon leader 15mm on every flat board, the slot of wide 3mm is beneficial to entering of sewage, the upper and lower both sides of anomaly plate, rectangle region are respectively 15mm, 5mm, the anomaly plate left and right sides is 5mm, and for connecting rising pipe, negative electrode rectangular parallelepiped top is connected to the pipe that diameter is 5mm; The anode rectangular parallelepiped is by long 200mm, two dull and stereotyped compositions of wide 50mm, make a call to two platoon leader 15mm on every flat board, the slot of wide 3mm is beneficial to microorganism and contacts the derivation with electronics with film, the upper and lower both sides of anomaly plate, rectangle region are respectively 15mm, 70mm, the anomaly plate left and right sides is 5mm, the water outlet of anode top end diameter 5mm circular hole.Membrane module adopts K-A-K-A-negative electrode form, with draw-in groove, intermittently is arranged in reactor, and the membrane module spacing is 10mm.
Application aniline and phytic acid form conductive composite film at the filter cloth surface aggregate, by its with glass gluing in each membrane module both sides, have better electroconductibility carbon fiber wire vertically be bonded on membrane module two side forms with conductive resin in order to make two.Anode better grows anaerobism Shiva formula bacterium for the maintenance anaerobic environment, hydrophilic preservative film parcel for the anonite membrane assembly; Aeration head is placed in cathodic coating assembly below, by the under meter coutroi velocity.
The total water inlet of sewage from the bearing of anode bottom squeezed into by pump, by reactor two reduction of fractions to a common denominators, do not squeeze into anode, flows from bottom to top, by anode top circular hole, flowed out; Under the condition of anaerobism, anode internal contamination thing produces electronics through the degraded of Shiva formula bacterium, and electronics is derived by carbon fiber wire, the 500 Ω external resistances of flowing through, electrode potential 0.1v, anode potential 0.4v; Sewage, after anaerobic degradation, filters and enters negative electrode by cathodic coating, is extracted out COD clearance 99% by pump.
Claims (4)
1. collection wastewater treatment and electric energy are exported integrated organic membrane membrane bioreactor, it is characterized in that: the polymer-matrix electric conduction composite membrane is as anode and negative electrode, anonite membrane and cathodic coating adopt loop configurations or flat sheet configuration, anode and cathodic coating are alternately placed, anode and cathode spacing are 10mm, the middle oxygen barrier material of placing, the positive column anaerobism, cathodic area is aerobic, waste water enters aerobic zone after being introduced into anaerobic zone, plate load electrogenesis bacterium, connect external circuit, formed electric energy output and the integrated membrane bioreactor of wastewater treatment.
2. a kind of collection wastewater treatment according to claim 1 and electric energy are exported integrated organic membrane membrane bioreactor, it is characterized in that: in the reactor of loop configurations, negative electrode and positive electrode is the cylindric film of being made by the membrane-coated porous propping material plastic wire of double-deck organic composite, the negative electrode and positive electrode position can realize exchanging, anode is placed in to outer shroud, negative electrode is placed in interior ring, perhaps anode is placed in to interior ring, negative electrode is placed in outer shroud; The reactor anode and cathode membrane module configuration of flat sheet configuration is elongated and rectangular parallelepiped sealing, and membrane module adopts K-A-K-A-negative electrode form, with draw-in groove, intermittently is arranged in reactor.
3. a kind of collection wastewater treatment according to claim 1 and electric energy are exported integrated organic membrane membrane bioreactor, it is characterized in that: in the reactor of loop configurations, cathodic coating doubles above than the reactor filtration area of equal size; The polymer-matrix electric conduction composite membrane of flat sheet configuration is with the glass gluing in each membrane module both sides, and carbon fiber wire vertically is bonded on membrane module two side forms with conductive resin.
4. a kind of collection wastewater treatment according to claim 1 and electric energy are exported integrated organic membrane membrane bioreactor, and it is characterized in that: in the reactor of loop configurations, upper part of cathodic coating vertically is exposed in air, closes aeration pump, form air cathode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103501958A CN103435159A (en) | 2013-08-13 | 2013-08-13 | Organic membrane bioreactor integrating wastewater treatment and electric energy output |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103501958A CN103435159A (en) | 2013-08-13 | 2013-08-13 | Organic membrane bioreactor integrating wastewater treatment and electric energy output |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103435159A true CN103435159A (en) | 2013-12-11 |
Family
ID=49688911
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013103501958A Pending CN103435159A (en) | 2013-08-13 | 2013-08-13 | Organic membrane bioreactor integrating wastewater treatment and electric energy output |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103435159A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762371A (en) * | 2014-01-06 | 2014-04-30 | 大连理工大学 | Carbon foam catalyst electrode system for coupling MBR (membrane bioreactor) with MFC (microbial fuel cell) |
| CN110171874A (en) * | 2019-07-10 | 2019-08-27 | 大连海洋大学 | A kind of electrode film biofilter for breeding seawater |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102723517A (en) * | 2012-06-21 | 2012-10-10 | 大连理工大学 | Microbial fuel cell with separation membrane and biological negative pole, and sewage treatment method |
| US20130048574A1 (en) * | 2011-07-25 | 2013-02-28 | Anthony F. Michaels | Microbial fuel cell aerator |
| CN103100314A (en) * | 2013-01-28 | 2013-05-15 | 大连理工大学 | Method for preparing polyaniline modified neutral conductive filter membrane |
| CN103193297A (en) * | 2013-03-20 | 2013-07-10 | 大连理工大学 | Sewage treatment method coupled with organic membrane and electro-Fenton catalytic technology |
-
2013
- 2013-08-13 CN CN2013103501958A patent/CN103435159A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130048574A1 (en) * | 2011-07-25 | 2013-02-28 | Anthony F. Michaels | Microbial fuel cell aerator |
| CN102723517A (en) * | 2012-06-21 | 2012-10-10 | 大连理工大学 | Microbial fuel cell with separation membrane and biological negative pole, and sewage treatment method |
| CN103100314A (en) * | 2013-01-28 | 2013-05-15 | 大连理工大学 | Method for preparing polyaniline modified neutral conductive filter membrane |
| CN103193297A (en) * | 2013-03-20 | 2013-07-10 | 大连理工大学 | Sewage treatment method coupled with organic membrane and electro-Fenton catalytic technology |
Non-Patent Citations (2)
| Title |
|---|
| VLADIMIR S. BAGOTSKY: "《燃料电池——问题与对策》", 28 February 2011, 人民邮电出版社 * |
| ZHONGJIAN LI等: "Electricity production by an overflow-type wetted-wall microbial fuel cell", 《BIORESOURCE TECHNOLOGY》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103762371A (en) * | 2014-01-06 | 2014-04-30 | 大连理工大学 | Carbon foam catalyst electrode system for coupling MBR (membrane bioreactor) with MFC (microbial fuel cell) |
| CN103762371B (en) * | 2014-01-06 | 2015-10-28 | 大连理工大学 | The carbon foam catalysis electrode system of a kind of MBR and MFC that is coupled |
| CN110171874A (en) * | 2019-07-10 | 2019-08-27 | 大连海洋大学 | A kind of electrode film biofilter for breeding seawater |
| CN110171874B (en) * | 2019-07-10 | 2021-10-08 | 大连海洋大学 | Electrode membrane biological filter for breeding seawater |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Tian et al. | In-situ integration of microbial fuel cell with hollow-fiber membrane bioreactor for wastewater treatment and membrane fouling mitigation | |
| CN102976559B (en) | Anaerobic ammonia oxidation microbe reverse electroosmosis sewage treatment and power generation method and device | |
| CN105390716B (en) | A kind of superposing type microbiological fuel cell in-situ test system and its application | |
| CN103241895B (en) | Membrane biological electrochemical reactor device with high-quality effluent and low membrane pollution | |
| CN103193297A (en) | Sewage treatment method coupled with organic membrane and electro-Fenton catalytic technology | |
| CN103588307B (en) | Treatment method for dyeing wastewater | |
| CN102616918A (en) | Membrane bioreactor (MBR)/microbial fuel cell (MFC) directly-coupled reactor and wastewater treatment method | |
| CN201134469Y (en) | Animalcule fuel battery recovering electric energy from wastewater treatment | |
| CN102701337B (en) | Method and reactor for removing organic matters by enzyme electrode coupled electroflocculation | |
| CN108033546A (en) | A kind of sewage disposal of microbiological fuel cell coupling membrane bioreactor and water quality early-warning method | |
| CN103123977A (en) | Simultaneous nitrogen and phosphorus removal microbial fuel cell | |
| CN105355950A (en) | Large-scale biological negative electrode microbial fuel cell stack apparatus | |
| CN104762635A (en) | Method and device for co-production of methane by electrically assisted conversion of ethanol into acetic acid | |
| CN206940627U (en) | A kind of electric Fenton water treatment facilities | |
| CN104556561A (en) | Microbial fuel cell and intermittent aerated biofilter coupled compound system and sewage treatment method thereof | |
| CN103496789A (en) | Sewage treatment unit and method using bioelectrochemistry to aid membrane bioreactor | |
| CN105836879B (en) | A kind of the anaerobism conductivity ceramics membrane biological reaction apparatus and method of effective control fouling membrane | |
| CN201278356Y (en) | Two segment type biological fuel cell | |
| CN104466216A (en) | Stack baffling type microbial fuel cell and method for treating waste water and achieving zero energy consumption by using stack baffling type microbial fuel cell | |
| CN107964552B (en) | Method for improving methane synthesis efficiency by coupling anaerobic digestion with MFC | |
| CN103435159A (en) | Organic membrane bioreactor integrating wastewater treatment and electric energy output | |
| CN203871429U (en) | Simultaneous phosphorus and nitrogen removal double-chamber microbiological fuel cell | |
| CN105000667A (en) | Constructed wetland and microbial fuel cell combined sewage treatment system | |
| CN103715444B (en) | Batch-type electrode reversal microbial fuel cell and application thereof | |
| CN107601788A (en) | A kind of urban sewage treating device and sewage water treatment method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20131211 |