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Guide-plate microbial electrolysis cell embedded with multi-electrode system and use method thereof

A microbial electrolysis cell and deflector technology, which is applied in the electrolysis process, electrolysis components, biological sludge treatment and other directions, can solve the problems of difficulty in large-scale development, small size of the MEC system, and low hydrogen and methane content, and achieve stable and continuous Stream operation, get rid of the constraints of small size, reduce the effect of construction cost

Active Publication Date: 2014-03-26
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention aims to solve the technical problems of high cost of cathode materials and catalysts in the current MEC system, small volume of MEC system resulting in low hydrogen and methane production, limited development and difficulty in large-scale development, thereby providing a built-in multi-electrode system Deflector type microbial electrolytic cell and using method thereof

Method used

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  • Guide-plate microbial electrolysis cell embedded with multi-electrode system and use method thereof
  • Guide-plate microbial electrolysis cell embedded with multi-electrode system and use method thereof

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specific Embodiment approach 1

[0017] Specific implementation mode one: combine figure 1 and figure 2 , a deflector type microbial electrolytic cell with a built-in multi-electrode system in the present embodiment, which includes a water tank 1, a water pump 2, a resistor 7, a power supply 8, an anode carbon fiber brush 9, a cathode steel mesh 10 and a baffle box 17; The baffle box body 17 is provided with a water inlet 3, a water outlet 13, a backflow water outlet 14, a backflow water inlet 4 and two water discharge ports 5, the water outlet of the water tank 1 is connected with the water inlet of the water pump 2, The water outlet of water pump 2 links to each other with the water inlet 3 of baffle box body 17, and the backflow outlet 14 of baffle box body 17 is connected with the backflow water inlet 4 of baffle box body 17, and in the baffle box body Each group of downflow plates 15 and upflow plates 16 forms a compartment, and there are 3 to 6 compartments in the baffle box, each compartment has a vo...

specific Embodiment approach 2

[0018] Specific embodiment two: the difference between this embodiment and specific embodiment one is: the cathode steel mesh 10 is a stainless steel mesh of 60 mesh SS306; the preparation method of the cathode steel mesh 10 is: PTFE is used as a binding agent and activated carbon The activated carbon powder is mixed to make the activated carbon powder into a whole, and then the activated carbon is pressed on the stainless steel mesh by a roller press to obtain the cathode steel mesh 10. Others are the same as the first embodiment.

specific Embodiment approach 3

[0019] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the material of the baffle box 17 is plexiglass. Others are the same as those in the first or second embodiment.

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Abstract

The invention discloses a guide-plate microbial electrolysis cell (MEC) embedded with a multi-electrode system and a use method thereof, and relates to an MEC and a use method thereof. The invention aims to solve the technical problems of low yields of hydrogen and methane, limits on development and difficulty in realizing scale development due to high costs of anode materials and catalysts in the conventional MEC system and small size of the MEC system. The microbial electrolysis cell comprises anode carbon fibers, a cathode steel mesh and a baffle plate tank body, wherein a plurality of anode carbon fiber brushes and one cathode steel mesh are arranged in grids of the baffle plate tank body; the cathode steel mesh is folded into two rectangular steel meshes of which surfaces are vertical to each other; the anode carbon fiber brushes are arranged from top to bottom; the two faces of the cathode steel mesh are 2-4 centimeters away from the anode carbon fiber brushes. The use method of the MEC disclosed by the invention comprises the following steps: I, enriching microorganisms on an anode; II, collecting gas in the MEC. The guide-plate MEC is applied to the field of MECs.

Description

technical field [0001] The invention relates to a microbial electrolytic cell and a method for using the same. Background technique [0002] The world today is facing two major challenges: the effective disposal of organic waste and the effective development of new energy. Microbial electrolysis cell (MEC) can rely on the anode electrogenic bacteria in the system to directly convert the chemical energy stored in organic matter into electric current, thereby forming hydrogen gas with the assistance of external potential, and has the dual functions of treating organic waste and recovering a new energy source—hydrogen energy . Domestic sewage, molasses wastewater, kitchen wastewater, beer wastewater and excess sludge can be used as substrates for MEC. MEC is a biomass hydrogen production technology with great development potential, and it is expected to become an important technology for the control and resource utilization of organic pollutants in the future. [0003] The p...

Claims

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Application Information

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IPC IPC(8): C25B1/02C25B9/00C02F3/34C02F11/02
Inventor 邢德峰白舜文孙睿赵昕悦张若晨
Owner HARBIN INST OF TECH
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