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Method for treating sewage, generating electric energy and assisting fermentation by virtue of bioelectrochemical system

A bioelectrochemical and electrical energy technology, applied in the field of water treatment process and fermentation process, can solve the problem of increasing cost of butanol

Inactive Publication Date: 2013-09-18
PEKING UNIV SHENZHEN GRADUATE SCHOOL
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Problems solved by technology

[0007] The main products of ABE fermentation butanol, acetone and ethanol have a content ratio of about 6:3:1, and the existence of by-products acetone and ethanol increases the cost of butanol purification

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  • Method for treating sewage, generating electric energy and assisting fermentation by virtue of bioelectrochemical system
  • Method for treating sewage, generating electric energy and assisting fermentation by virtue of bioelectrochemical system
  • Method for treating sewage, generating electric energy and assisting fermentation by virtue of bioelectrochemical system

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Embodiment Construction

[0025] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0026] see figure 1 and figure 2 , the microbial fuel cell system 9 of the embodiment of the present invention includes a bioreactor 10 , the bioreactor 10 includes an anode chamber 1 and a cathode chamber 3 and a diaphragm 5 separating the anode chamber 1 and the cathode chamber 3 . The anode chamber 1 and the cathode chamber 3 are respectively provided with an anode electrode 2 and a cathode electrode 4 . The anode chamber contains microbial active substances for treating sewage. The cathode chamber contains fermenting microorganisms for fermenting the culture medium to produce specific prod...

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Abstract

The invention provides a bioelectrochemical system and a method for treating sewage, generating electric energy and assisting fermentation. The system comprises a bioreactor, wherein the bioreactor comprises a cathode chamber and an anode chamber, a cathode and an anode are respectively arranged in the cathode chamber and the anode chamber, different microbial active matters are respectively arranged in the cathode chamber and the anode chamber, two chambers are separated through a membrane (a proton exchange membrane, a cation exchange membrane and an anion exchange membrane), a proton produced in the anode chamber is capable of migrating through the membrane so that the two chambers are electrically communicated with each other in the reactor and the electric energy is capable of generating in the operation of the bioreactor. The bioelectrochemical system provided by the invention is simple in structure and low in cost, a certain sewage treatment effect and power generation performance are realized, and the fermentation process of the cathode microbe can be promoted.

Description

technical field [0001] The invention relates to a water treatment process and a fermentation process, in particular to a bioelectrochemical system using microbial reaction to treat sewage, assisting fermentation and generating electric energy, and a method for microbial sewage treatment, assisting fermentation and generating electric energy. [0002] Background technique [0003] With the demand for green environmental protection and resource conservation in today's society, sewage / wastewater treatment has become more and more important. Biological treatment is currently a more effective and feasible sewage treatment method. In recent years, bioelectrochemical systems (Bioelectrochemical Systems, BESs) have been widely studied and used, which can generate electricity while degrading organic matter and treating sewage / wastewater, so they have attracted much attention. Due to this feature, it can be used in the treatment of organic pollution / wastewater, and can obtain electr...

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Application Information

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IPC IPC(8): C02F3/34H01M8/16C12P7/16C12P7/28C12P7/08C12R1/145C12R1/865
CPCY02E60/50
Inventor 陶虎春李鹏松丁辉
Owner PEKING UNIV SHENZHEN GRADUATE SCHOOL
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