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Device and method for biosynthesizing methane based on carbon emission reduction CO2

A biosynthesis and carbon emission reduction technology, applied in enzymology/microbiology devices, methods of stress-stimulating microbial growth, biosynthesis, etc., can solve the problems of carbon emission reduction and energy recycling, etc. Recycling efficiency, simple replacement, and the effect of enhancing methane yield

Pending Publication Date: 2022-03-18
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The object of the present invention is to utilize CO 2 To meet the problems of carbon emission reduction and energy recovery, a carbon emission reduction CO 2 Apparatus and method for biosynthesizing methane

Method used

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  • Device and method for biosynthesizing methane based on carbon emission reduction CO2
  • Device and method for biosynthesizing methane based on carbon emission reduction CO2
  • Device and method for biosynthesizing methane based on carbon emission reduction CO2

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specific Embodiment approach 2

[0032] Specific implementation mode two: as figure 1 As shown, this embodiment is a further description of specific embodiment one, the height of the one-way drain pipe 3-1 is lower than the height of the treated water drain pipe 3-4 (to avoid methane gas from the one-way drain pipe 3 -1 leaks out and all the gas enters the methane collection device).

specific Embodiment approach 3

[0033] Specific implementation mode three: as figure 1 As shown, this embodiment is a further description of specific embodiment 1. The biocathode 2-4 includes a plurality of nickel tube electrodes 2-5, a plurality of aeration hole tubes 2-6 and graphite felt 2-7; The plurality of nickel tube electrodes 2-5 are horizontally arranged and connected to form a nickel tube electrode tube plate, and a plurality of aeration hole tubes 2-6 are arranged in an array on the nickel tube electrode tube plate, and the plurality of aeration holes The tubes 2-6 are all nickel tubes, and a plurality of aeration hole tubes 2-6 are connected with the nickel tube electrodes 2-5, and the upper side of the plurality of aeration hole tubes 2-6 extends upwards, and the lower side extends downwards. A nickel tube electrode 2-5 and a plurality of aeration hole tubes 2-6 are combined to form a nickel tube electrode body, and the surface of the nickel tube electrode body is modified with ZnO and Fe 3 o ...

specific Embodiment approach 5

[0036] Specific implementation mode five: as figure 1 As shown, this embodiment is a further description of the third embodiment, and the multiple aeration holes of the aeration hole tube 2-6 are arranged in a staggered manner.

[0037] Specific implementation mode six: as figure 1 As shown, this embodiment is a further description of Embodiment 1. The bioanode 2-1 is made of a modular porous filler with electrical conductivity (in addition to providing or absorbing electrons as an electrode, the porous filler also provides a large specific surface area for microorganisms to adhere to film), and the thickness of the bioanode 2-1 is 0.1m (materials include but not limited to graphene airgel, carbon sponge, foam copper, etc. Taking graphene as an example, its parameters are as follows: The specific surface area is 400-1000m 2 / g, the specific capacitance is 144F / g, the impedance is 0.65Ohm, and the graphene resistivity is 0.001Ω·m.

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Abstract

The invention discloses a device and a method for biosynthesizing methane based on carbon emission reduction CO2, and belongs to the field of carbon emission reduction and energy recovery. A main body of the biological filter is an annular tank body, an outer-layer tank body of the annular tank body is a clean water tank, a biological anode, a porous matrix and a biological cathode are sequentially arranged in an inner-layer tank body of the annular tank body from bottom to top, and the inner-layer tank body, the biological anode, the porous matrix and the biological cathode are combined to form a biological electrolytic tank filter. The biological anode and the biological cathode are connected with an external circuit through copper wires; the one-way drain pipe fixedly penetrates out of the upper part of the side wall of the biological electrolytic tank filter, the biological electrolytic tank filter is communicated with the clean water tank through the one-way drain pipe, the treated water drain pipe fixedly penetrates out of the upper part of the side wall of the clean water tank, and the upper part of the biological electrolytic tank filter is communicated with the exhaust flue; one end of the water inlet pipeline penetrates through the clean water tank and the side wall of the biological electrolytic tank and is communicated with the area below the biological anode. According to the invention, methane is produced by using CO2 and a sewage organic pollutant carbon source, so that the purposes of energy recovery and carbon emission reduction are achieved.

Description

technical field [0001] The invention belongs to the field of carbon emission reduction and energy recovery, and is a bioelectrochemical method to catalyze CO 2 Technology for producing methane, specifically related to a carbon-based reduction of CO 2 Device and method for biosynthesizing methane. Background technique [0002] In recent years, the extensive application of fossil energy has led to the increase of CO in the atmosphere 2 The rising content has caused a series of problems, and the urgent task is to solve the problem of greenhouse gas emissions, CO 2 Recycling and reuse is an important part of it. Using CO 2 The production of methane is an effective technical means. [0003] The traditional methane production device adopts anaerobic digestion technology, which mainly uses acetic acid to produce methane, and uses less CO 2 The goal of carbon emission reduction cannot be achieved, and the methane production efficiency is low. Actual tests show that, usually, 1...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C12M1/42C12M1/107C12M1/04C12M1/00C12P5/02C02F3/00C02F3/34B01D53/84B01D53/62C02F101/16C02F101/30
CPCC12M21/04C12M29/06C12M35/02C12P5/023C02F3/005C02F3/34B01D53/84B01D53/62C02F2101/16C02F2101/30B01D2257/504B01D2251/95Y02A50/20Y02P20/50Y02P20/59
Inventor 王丽王文雷周德胜李瑾李锦时
Owner HARBIN INST OF TECH
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