CN102616918A - Membrane bioreactor (MBR)/microbial fuel cell (MFC) directly-coupled reactor and wastewater treatment method - Google Patents

Membrane bioreactor (MBR)/microbial fuel cell (MFC) directly-coupled reactor and wastewater treatment method Download PDF

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Publication number
CN102616918A
CN102616918A CN201210081071XA CN201210081071A CN102616918A CN 102616918 A CN102616918 A CN 102616918A CN 201210081071X A CN201210081071X A CN 201210081071XA CN 201210081071 A CN201210081071 A CN 201210081071A CN 102616918 A CN102616918 A CN 102616918A
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China
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mfc
mbr
fuel cell
anode
wastewater treatment
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CN201210081071XA
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Inventor
柳丽芬
刘嘉栋
高波
陈会萍
杨凤林
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Dalian University of Technology
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Dalian University of Technology
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Abstract

The invention relates to a membrane bioreactor (MBR)/microbial fuel cell (MFC) directly-coupled reactor and a wastewater treatment method, belonging to the technical field of new energy and environmental protection. The invention is characterized in that a conducting material is used as the filtering medium of the MFC and the cathode of the MFC to implement direct coupling of the MBR and the MFC. The reactor simultaneously implements organic pollutant removal and direct conversion to electric energy. Negative charges accumulated on the membrane cathode surface and a flocculant released by the sacrificial anode are beneficial to the control on the membrane pollution. Thus, the porous carbon material used as the anode can enhance the charge capacity of the anode biomembrane to form the MBR, thereby enhancing the power generation capacity. The invention is simple to operate, can directly modify the existing MBR, can generate electric energy on the premise of keeping the original treatment effects, implements energy saving and emission reduction, and has obvious economic benefit, environmental benefit and social benefit.

Description

The reactor drum and the method for wastewater treatment of a kind of direct coupled film bio-reactor and microbiological fuel cell
Technical field
The invention belongs to new forms of energy and environmental technology field.Be specifically related to membrane bioreactor (MBR) and microbiological fuel cell (MFC).Utilize MBR to handle pollutent, utilize MFC to produce electric energy.
Background technology
MBR receives concern more and more widely at present because of its treatment effect preferably, restricts the membrane pollution problem and the high energy consumption problem of its application, is the forward position and the focus of research both at home and abroad always; Research and develop high-throughput, resistant to pollution new membrane material on the one hand, utilize aeration, vibrations, absorption ultrasonic, electric field decelerating membrane pollution thing to deposit on the other hand.And easy, energy-conservation, the film Pollution control technology is rarely found efficiently.Film pollutes main by due to the electronegative mud and colloid, the therefore existing at present relevant report of utilizing the electric field controls film to pollute.It mainly is the principle of utilizing same sex electric charge mutually exclusive; Repulsion also makes membrane contaminant leave face; Be not adsorbed and deposit, reach the purpose (Kazuki Akamatsu et.a1.Development of a novel fouling suppression system in membrane bioreactors using an intermittent electric field.water research.2010.) that controlling diaphragm pollutes.Although this method is simple and easy to do, need electric supply installation and opertaing device, and have extra energy consumption, therefore be unfavorable for energy-conservation and running cost control.
MFC utilizes mikrobe that organic pollutant is converted into the device of electric energy as a kind of, and its environmental benefit and economic benefit are obvious, but lower electricity generation ability restricts its development with the limitation that is difficult to broadened application always.Therefore, present most investigator is gathered in sight and utilizes MFC to handle pollutent and desalination.Utilize MFC to handle pollutent and mainly divide two types: the one, utilize anaerobe film anodic oxidation decomposing organic pollutant; The 2nd, at negative electrode, utilize the oxidation state pollutent as electron acceptor(EA), make it obtain reduction.The MFC desalination then need be issued to the purpose of removing zwitterion in the salt solution at negative electrode and anodic effect by the selective permeation of ion-exchange membrane.The MFC anode is an anaerobic reaction, and there is the high problem of turbidity in water outlet, and water outlet needs further to handle; Utilize the MFC desalination then to need expensive ion-exchange membrane.Also exist at present as negative electrode stainless (steel) wire; Anode is placed in one; Realize the report of electrogenesis and membrane sepn simultaneously, but its device and unreduced, and the film tamped density is lower; Be unfavorable for practical application (Yun-Kun Wang et.al.Development of a Novel Bioelectrochemical Membrane Reactor for Wastewater Treatment.Environ.Sci.Technol.2011,9256-9261.).
Summary of the invention
The purpose of this invention is to provide the device of a kind of direct coupling MBR and MFC, produce electric energy when realizing efficiently removing pollutent.
Technical scheme of the present invention is:
1) conducting membrane material is used for the conventional film bio-reactor,, accepts electronics and filter water outlet, utilize suspended sludge to handle pollutent as negative electrode and filtration medium;
2) utilize metal catalyst modification conducting membrane material, improve its reduction reaction efficient;
3) with conductive substrates (iron, aluminium) load microbial film,, utilize electrogenesis microbiological oxidation substrate, produce electronics as anode;
4) utilize the carbon felt as anode, increase the microbial film charge capacity, form microbial film membrane bioreactor and microbiological fuel cell coupling device.
Effect of the present invention and benefit are easy and simple to handle, can directly reequip existing MBR reactor drum, when keeping original treatment effect, produce electric energy, and controlling diaphragm pollutes, and realizes energy-saving and emission-reduction, and economic benefit, environmental benefit and social benefit are obvious.
Description of drawings
Fig. 1 is a MBR-MFC coupling device synoptic diagram.
Fig. 2 is MBR-MFC coupling device and comparison device transmembrane pressure comparison diagram.
Fig. 3 is that the MBR-MFC coupling device produces voltage change figure.
Among Fig. 1: 1 outer meeting resistance; 2 anodes; The 3 membrane modules negative electrode of holding concurrently; 4 vacuum meters; 5 water outlet peristaltic pumps; 6 aerating apparatuss.
Fig. 2 is MBR-MFC coupling device and comparison device transmembrane pressure comparison diagram.X-coordinate is reactor drum working time, and ordinate zou is represented the changing conditions of transmembrane pressure (MPa) respectively.Circle symbol ● the changing conditions of the transmembrane pressure of expression MBR-MFC coupling device; The changing conditions of the transmembrane pressure of four directions symbol ▲ expression control group (except that not with anode and negative electrode through external circuit is communicated with, the setting of control group and MBR-MFC coupling device are in full accord, dotted line is represented film cleaning and the end of filtration cycle).From figure, can find obviously that the increase of the transmembrane pressure of MBR obviously slows down in the MBR-MFC coupling device, the film wash number reduces, and film pollutes controlled.
The X-coordinate of Fig. 3 is reactor drum working time, and ordinate zou is represented the changing conditions of voltage (V) respectively, and when outer meeting resistance was 100 Ω, producing voltage was about 0.2V, and more stable.
Embodiment
Be described in detail embodiment of the present invention below in conjunction with technical scheme and accompanying drawing.
Instance 1
At terylene filter cloth surface aggregate, form stable fine and close conductive layer with aniline or pyrroles's steam etc., make the mould material conduction, make mould material have the ability that conduction is made negative electrode, avoid being provided with extra negative electrode, practice thrift space reactor.
With holding bolt membrane module 3 is assembled, built-in electrode membrane module that assembles and iron anode 2 are placed reactor drum, with outer meeting resistance 1 anode is connected with lead with negative electrode, anode is used the Stainless Steel Wire lead, and negative electrode is made lead with copper wire.
Reactor drum is formed shown in accompanying drawing 1, and the speed of control water inlet inflow reactor in service also keeps its liquid level constant.Utilize the aeration pump 6 and gas meter adjustments of gas flow of aerating system.Open pump 5 and start outlet system, regulate its rotating speed to appropriate value.Through vacuum meter 4 monitoring transmembrane pressures, flux measurement is then adopted graduated cylinder to access a water outlet of taking out the cycle of stopping and is calculated acquisition.Electric field and water outlet start/stop time are controlled by time switch.Observe among the MBR ascendant trend of transmembrane pressure and see accompanying drawing 2.The flocculation agent of anode generation and the antifouling property that the cathode surface negative charge has significantly improved film are described, have been kept long filtration cycle.MFC electrogenesis situation is seen accompanying drawing 3.
Instance 2
Because it is big more at the MFC annode area; Therefore the electrogenesis mikrobe of load is many more, utilizes porous conductive material such as carbon felt as anode, and mikrobe forms microbial film above that; The anode of conductive cathode and load large number of biological film is pressed instance 2 assemblings; Form microbial film-membrane bioreactor, kept higher wastewater treatment ability this moment, increased the reactor drum electricity generation ability simultaneously.The ratio that is used for electrogenesis in the waste water organic matter is improved.
Instance 3
Iron or aluminium are as anode, and the operation of carrying out according to instance 1 improves reactor drum dephosphorization ability simultaneously.
Instance 4
Make negative electrode, carbon felt with the carbon film of conduction and make anode and constitute combination MBR-MFC novel reactor system, also have behavior of biological anode electrogenesis and the performance that suppresses decelerating membrane pollution.
Instance 5
The catalyzer of supported catalyst hydrogen reduction on negative electrode; Directly among the coupling MBR-MFC; Segment anode constitutes the MFC loop in cathodic coating; The negative electrode of segment anode and non-filter membrane but supported catalyst constitutes the MFC loop, realizes biological electrogenesis and original position utilization thereof simultaneously, and catalytic oxidation-reduction causes the oxidative degradation to the difficult degradation pollutent.Show the water treatment effect that improves.This catalyzer comprises Graphene, Fe 2O 3And MnO 2MOX.

Claims (4)

1. the reactor drum and the method for wastewater treatment of direct coupled film bio-reactor and microbiological fuel cell; It is characterized in that: utilize conducting membrane material as negative electrode and plate film assembly filtration medium; Electro-conductive material as anode, constitutes the coupling device of membrane bioreactor and microbiological fuel cell as the base load microbial film.
2. the reactor drum and the method for wastewater treatment of a kind of direct coupled film bio-reactor according to claim 1 and microbiological fuel cell is characterized in that: the conducting membrane material as negative electrode is obtained by the modification of conductive polymers polypyrrole.
3. the reactor drum and the method for wastewater treatment of a kind of direct coupled film bio-reactor according to claim 1 and microbiological fuel cell is characterized in that: anode adopts iron or aluminum, its corrosion induced flocculation agent.
4. the reactor drum and the method for wastewater treatment of a kind of direct coupled film bio-reactor according to claim 1 and microbiological fuel cell is characterized in that: anode adopts carbon fibre material, increases the microorganism colonization amount, forms the microbial film membrane bioreactor.
CN201210081071XA 2012-03-23 2012-03-23 Membrane bioreactor (MBR)/microbial fuel cell (MFC) directly-coupled reactor and wastewater treatment method Pending CN102616918A (en)

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Cited By (19)

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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
CN103241895A (en) * 2013-04-28 2013-08-14 哈尔滨工业大学 Membrane biological electrochemical reactor device with high-quality effluent and low membrane pollution
CN103496789A (en) * 2013-10-14 2014-01-08 同济大学 Sewage treatment unit and method using bioelectrochemistry to aid membrane bioreactor
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)
CN103848539A (en) * 2013-12-26 2014-06-11 江南大学 Organic wastewater treatment device coupled with low-energy-consumption membrane biological reactor of microbial fuel cell
WO2015014474A1 (en) 2013-07-30 2015-02-05 Baden-Württemberg Stiftung Ggmbh Filtration-active fuel cell
CN104916858A (en) * 2015-04-22 2015-09-16 南京工业大学 Membrane tubular bioelectrochemical system
CN104944532A (en) * 2014-03-26 2015-09-30 宝山钢铁股份有限公司 Treatment device and treatment method of cold rolling phosphorus-containing wastewater
CN106116019A (en) * 2016-07-04 2016-11-16 大连理工大学 A kind of membraneless microbiological fuel cell void tower formula catalytic oxidation membrane bioreactor coupled system
CN106532196A (en) * 2016-12-07 2017-03-22 厦门大学 Flocculation microalgae apparatus and method for aluminum air fuel cell
EP3092301A4 (en) * 2014-01-06 2017-06-07 King Abdullah University Of Science And Technology Anaerobic electrochemical membrane bioreactor and process for wastewater treatment
CN108002527A (en) * 2017-12-15 2018-05-08 天津工业大学 A kind of new membrane bioreactor-microbiological fuel cell coupled system
CN108339570A (en) * 2017-01-25 2018-07-31 株式会社东芝 Reducing catalyst and the chemical reaction equipment, restoring method and reduction biological production system for having used reducing catalyst
CN109179631A (en) * 2018-08-06 2019-01-11 清华大学 The anaerobism electrochemical membrane bioreactor of dephosphorization can be synchronized
CN110002548A (en) * 2019-04-19 2019-07-12 中国科学院生态环境研究中心 A kind of electrochemistry-membrane-separation water treatment device and its processing method
CN110171874A (en) * 2019-07-10 2019-08-27 大连海洋大学 A kind of electrode film biofilter for breeding seawater
WO2019169785A1 (en) * 2018-03-06 2019-09-12 大连理工大学 Use of membrane-free microbial fuel cell coupled with cathode catalytic membrane in coking wastewater treatment system
CN110436618A (en) * 2019-08-08 2019-11-12 西安建筑科技大学 A kind of anaerobic membrane bioreactor and control membrane fouling method based on extra electric field
CN111807503A (en) * 2020-07-20 2020-10-23 南京神克隆水务有限公司 Oxygen-limited microbial desalting tank and wastewater treatment method

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Cited By (25)

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Publication number Priority date Publication date Assignee Title
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
CN103241895A (en) * 2013-04-28 2013-08-14 哈尔滨工业大学 Membrane biological electrochemical reactor device with high-quality effluent and low membrane pollution
CN103241895B (en) * 2013-04-28 2014-10-01 哈尔滨工业大学 Membrane biological electrochemical reactor device with high-quality effluent and low membrane pollution
WO2015014474A1 (en) 2013-07-30 2015-02-05 Baden-Württemberg Stiftung Ggmbh Filtration-active fuel cell
CN103496789A (en) * 2013-10-14 2014-01-08 同济大学 Sewage treatment unit and method using bioelectrochemistry to aid membrane bioreactor
CN103848539A (en) * 2013-12-26 2014-06-11 江南大学 Organic wastewater treatment device coupled with low-energy-consumption membrane biological reactor of microbial fuel cell
EP3092301A4 (en) * 2014-01-06 2017-06-07 King Abdullah University Of Science And Technology Anaerobic electrochemical membrane bioreactor and process for wastewater treatment
US10059609B2 (en) 2014-01-06 2018-08-28 King Abdullah University Of Science And Technology Anaerobic electrochemical membrane bioreactor and process for wastewater treatment
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
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)
CN104944532A (en) * 2014-03-26 2015-09-30 宝山钢铁股份有限公司 Treatment device and treatment method of cold rolling phosphorus-containing wastewater
CN104944532B (en) * 2014-03-26 2018-03-09 宝山钢铁股份有限公司 A kind of processing unit and processing method of cold rolling phosphorus-containing wastewater
CN104916858A (en) * 2015-04-22 2015-09-16 南京工业大学 Membrane tubular bioelectrochemical system
CN106116019A (en) * 2016-07-04 2016-11-16 大连理工大学 A kind of membraneless microbiological fuel cell void tower formula catalytic oxidation membrane bioreactor coupled system
CN106116019B (en) * 2016-07-04 2018-12-18 大连理工大学 A kind of membraneless microbiological fuel cell-void tower formula catalytic oxidation-membrane bioreactor coupled system
CN106532196A (en) * 2016-12-07 2017-03-22 厦门大学 Flocculation microalgae apparatus and method for aluminum air fuel cell
CN108339570A (en) * 2017-01-25 2018-07-31 株式会社东芝 Reducing catalyst and the chemical reaction equipment, restoring method and reduction biological production system for having used reducing catalyst
CN108002527A (en) * 2017-12-15 2018-05-08 天津工业大学 A kind of new membrane bioreactor-microbiological fuel cell coupled system
WO2019169785A1 (en) * 2018-03-06 2019-09-12 大连理工大学 Use of membrane-free microbial fuel cell coupled with cathode catalytic membrane in coking wastewater treatment system
CN109179631A (en) * 2018-08-06 2019-01-11 清华大学 The anaerobism electrochemical membrane bioreactor of dephosphorization can be synchronized
CN110002548A (en) * 2019-04-19 2019-07-12 中国科学院生态环境研究中心 A kind of electrochemistry-membrane-separation water treatment device and its processing method
CN110171874A (en) * 2019-07-10 2019-08-27 大连海洋大学 A kind of electrode film biofilter for breeding seawater
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CN110436618A (en) * 2019-08-08 2019-11-12 西安建筑科技大学 A kind of anaerobic membrane bioreactor and control membrane fouling method based on extra electric field
CN111807503A (en) * 2020-07-20 2020-10-23 南京神克隆水务有限公司 Oxygen-limited microbial desalting tank and wastewater treatment method

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