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Bacteria and algae combined biological electrochemical device and application thereof

A bioelectrochemical and combined technology, applied in the field of bioelectrochemistry, can solve the problems of lack of electron acceptors in sewage treatment, no corresponding adjustment mechanism for changes in external influent flow and pollutant concentration, etc., and achieve enhanced output of electric energy. , the effect of improving the treatment effect and enhancing the power generation capacity

Active Publication Date: 2016-05-11
TONGJI UNIV
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Problems solved by technology

[0007] However, the above-mentioned patents only use a single algae, which cannot avoid the disadvantage that algae cannot perform photosynthesis at night, which makes sewage treatment lack electron acceptors. At the same time, there is no corresponding adjustment for changes in external water flow and pollutant concentration. mechanism

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  • Bacteria and algae combined biological electrochemical device and application thereof

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Embodiment 1

[0036] Such as figure 1 As shown, a bioelectrochemical device for the combination of bacteria and algae, the system includes a modular reaction chamber 8, an air cathode 1 arranged on the top of the modular reaction chamber 8, and a carbon felt 2 arranged at the bottom of the modular reaction chamber 8 as an anode And the carbon brush 3 arranged between the air cathode 1 and the carbon felt 2, the two ends of the top of the module reaction chamber 8 are respectively provided with a water inlet 5 and a water outlet 6, the air cathode 1 is set opposite to the carbon felt 2, and the carbon felt 2 There are facultative anaerobic bacteria growing on it, and algae plants growing on the carbon brush 3 , and the air cathode 1 is connected to the carbon felt 2 through an external circuit 4 . The external circuit 4 is an external circuit 4 provided with an adjustable resistor 11, and the resistance value of the adjustable resistor 11 ranges from 0-9999Ω.

[0037] Among them, the carbon...

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Abstract

The invention relates to a bacteria and algae combined biological electrochemical device and application thereof. The bacteria and algae combined biological electrochemical device which is a system comprises module reaction cavities, air cathodes, carbon felt and carbon brushes. The air cathodes are arranged on the tops of the module reaction cavities, the carbon felt is arranged at the bottoms of the module reaction cavities and is used as an anode, the carbon brushes are arranged between the air cathodes and the carbon felt, a water inlet and a water outlet are respectively formed in two ends of the top of each module reaction cavity, the air cathodes are opposite to the carbon felt, facultative anaerobes grow on the carbon felt in an attached manner, algae plants grow on the carbon brushes in an attached manner, the air cathodes are connected with the carbon felt by external circuits, and the bacteria and algae combined biological electrochemical device is used for treating organic sewage. Compared with the prior art, the bacteria and algae combined biological electrochemical device has the advantages that the bacteria and algae combined biological electrochemical device is simple and compact in integral structure, and components of the bacteria and algae combined biological electrochemical device can be modularly combined with one another; synergistic effects can be realized on the basis of algae, the facultative anaerobes and the air cathodes, ion exchange membranes can be omitted, and accordingly the bacteria and algae combined biological electrochemical device is low in economic cost and stable in configuration, can run stably and has an excellent application prospect.

Description

technical field [0001] The invention belongs to the technical field of bioelectrochemistry, and relates to a bioelectrochemical device for combining bacteria and algae and its application. Background technique [0002] The global energy crisis has made researchers pay more and more attention to the development of alternative electricity production methods, which should come from renewable resources and do not increase carbon dioxide emissions. Microbial Fuel Cell (MFC) has aroused great interest of academic researchers because of its new energy generation method that can convert the chemical energy stored in organic compounds into electrical energy through the catalytic reaction of microorganisms. In MFC, microorganisms are used to generate electricity in the system, and at the same time, it can also realize the biodegradation of organic matter or waste. [0003] Chlorella (Chlorella spp.) is a class of universal single-celled green algae, belonging to Chlorphyta, which app...

Claims

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Application Information

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IPC IPC(8): C02F3/00C02F3/28C02F3/34H01M8/16
CPCC02F3/005C02F3/28C02F3/34H01M8/16Y02E60/50
Inventor 王荣昌姚佳斌周欣逸李乐雪王学昊
Owner TONGJI UNIV
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