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Drop aeration type microbial fuel cell

A technology of falling water aeration and fuel cell, which is applied in the fields of biochemical fuel cell, biological water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problem of poor effluent quality of MFC and large power consumption of MFC mechanical blast aeration. and other problems, to reduce the cost, increase the dissolved oxygen content of wastewater, and achieve zero power consumption.

Active Publication Date: 2017-02-01
DALIAN UNIV OF TECH
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Problems solved by technology

[0005] The purpose of the present invention is to provide a drop water aeration microbial fuel cell, which can not only solve the problem of large power consumption of MFC mechanical blowing aeration, but also effectively improve the biodegradation efficiency of MFC, and solve the problem of poor water quality of traditional MFC effluent

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Embodiment Construction

[0018] The specific embodiments of the present invention will be described in detail below in conjunction with the technical solutions and accompanying drawings.

[0019] Baffle chamber: The design size of the baffle chamber is 0.05×0.1×0.5m; the top is preset with a Φ8 (mm) exhaust port; the upper edge is preset with a Φ8 (mm) water inlet; the design size of the lower baffle channel is 0.1× 0.05m; the hydraulic transmission of the baffle chamber is push flow.

[0020] Anode chamber: The design size of the anode chamber is 0.1×0.1×0.5m, and the water inlet side is the bottom of the baffle chamber to deflect water; the anode electrode is a rough surface carbon rod (prefabricated and polished to form a rough surface), and the size is Φ8(mm)×0.5 m, built-in 8 pieces, the arrangement is 1-2-2-2-1, the top of the carbon rod is preset with a center hole of Φ3(mm)×0.05m, and the carbon fiber bundle wire is inserted and drawn, and the wires between the carbon rods are connected in ser...

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Abstract

The invention belongs to the technical field of new energy and waste water resource utilization, and discloses a drop aeration type microbial fuel cell. Specifically, a drop aeration dissolved oxygen technology will be introduced to waste water treatment process and design based on a microbial fuel cell principle, a mechanical blast aeration mode is substituted, and dissolved oxygen is provided for a negative electrode chamber of the MFC (Microbial Fuel Cell). By a new drop aeration dissolved oxygen and coupling organism power generation principle process and equipment design, biological energy conversion and waste water high-efficient treatment are achieved; and waste water enters the negative electrode chamber of a drop aeration unit after passing through a positive electrode of the microbial fuel cell, anaerobic and aerobic secondary process treatment is achieved, fully dissolved oxygen is also provided for a negative electrode of the MFC and is taken as an electron acceptor of the negative electrode, and waste water treatment recycle and biological power generation are simultaneously achieved.

Description

technical field [0001] The invention belongs to the technical field of new energy and waste water resource utilization, and specifically relates to the introduction of falling water aeration and dissolved oxygen technology into the waste water treatment process and design based on the principle of microbial fuel cells (MFC), replacing the mechanical blast aeration method, and being MFC The cathode compartment provides dissolved oxygen. The design of the new process and equipment coupled with the principle of falling water dissolved oxygen and the principle of biological electricity generation has realized the conversion of biological energy and the efficient treatment of wastewater. After the wastewater flows through the anode of the microbial fuel cell, it enters the cathode chamber through the falling water aeration unit, which not only realizes the anaerobic + aerobic secondary process treatment of wastewater, but also provides sufficient dissolved oxygen for the MFC cathod...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01M8/16C02F3/30
CPCC02F3/301H01M8/16Y02E60/50
Inventor 柳丽芬高常飞于婷婷
Owner DALIAN UNIV OF TECH
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