Method for strengthening purification of bottom mud through iron-carbon positive electrode microbial fuel cell

A fuel cell and iron-carbon micro-electrolysis technology is applied in the fields of ecology and environmental protection to achieve good effects and reduce secondary pollution.

Inactive Publication Date: 2019-04-16
ZHENGZHOU UNIV
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Problems solved by technology

[0004] In view of the above situation, in order to solve the defects of the prior art, the object of the present invention is to provide a method for strengthening and purifying the sediment by an iron-carbon anode microbial fuel cell, which can effectively solve the problem of removing pollutants in the sediment, and utilize microbial fuel in combination with on-line monitoring technology The battery produces electricity to monitor the water quality, which is convenient for subsequent water quality monitoring and treatment.

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  • Method for strengthening purification of bottom mud through iron-carbon positive electrode microbial fuel cell

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Embodiment Construction

[0012] The specific implementation manners of the present invention will be described in further detail below in conjunction with the accompanying drawings and examples.

[0013] Depend on figure 1 Given, the present invention utilizes the microbial fuel cell system, then proceeds according to the following steps:

[0014] 1) The microbial fuel cell system is composed of the sedimentary anode 8 laid in the bottom mud, the biocathode 6 floating on the water surface 3, the external circuit wire 5 connecting the biocathode and the sedimentation anode, and the voltmeter 4. In the slow-flow section of the river and A microbial fuel cell system is installed in areas rich in sediment;

[0015] 2) The iron-carbon micro-electrolysis filler 2 is uniformly mixed in the bottom sludge 1, and the organic matter in the bottom sludge 1 is decomposed into small molecular compounds under the enhanced degradation of the iron-carbon micro-electrolysis filler 2. 8 is oxidized and decomposed by m...

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Abstract

The invention relates to a method for strengthening purification of bottom mud through an iron-carbon positive electrode microbial fuel cell. Pollutants in the bottom mud can be effectively removed, through the further utilization of an online monitoring technology, the microbial fuel cell generates electricity to monitor the condition of water quality, and subsequent monitoring and treatment of the water quality are facilitated. According to the technical scheme, a microbial fuel cell system is utilized, iron-carbon micro-electrolysis filler and a biological negative electrode ribbon are coupled, desilting for a river channel is not needed, the microbial fuel cell is suitable for various water quality conditions, simple in structure and easy to construct, has good effects of removing organic matter in water, removing nitrogen and the like, and is suitable for river channel regulation, secondary pollution caused by the bottom mud is reduced, and the method is an innovation in bottom mud pollution regulation methods.

Description

technical field [0001] The invention relates to the field of ecology and environmental protection, in particular to a method for strengthening and purifying sediment by an iron-carbon anode microbial fuel cell. Background technique [0002] my country is facing serious water pollution and shortage of water resources. Pollutants such as organic matter and ammonia nitrogen in water, especially some persistent pollutants that are difficult to degrade, have poor biodegradability in the environment and exist for a long time. They can be absorbed by precipitation or particulate matter. It is stored in the sediment and released again under appropriate conditions, becoming a secondary pollution source, causing the water body to be "permanently cured". At present, there are many problems in our country such as persistent pollution of a large number of rivers and lakes, difficult treatment of bottom mud, and secondary pollution of water bodies by bottom mud. [0003] In the process of...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F11/00H01M8/16
CPCC02F11/006H01M8/16Y02E60/50
Inventor 张广毅史英豪王萌韩永辉董泽鲲
Owner ZHENGZHOU UNIV
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