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A preparation method of doped carbon nanotube filter membrane electrode and an external electric field enhanced anti-pollution device using it

A technology of carbon nanotubes and filter membranes, which is applied in the field of preparation of doped carbon nanotube filter membrane electrodes and the use of external electric fields to strengthen anti-pollution devices, which can solve problems such as affecting oxygen conduction and reducing system power output, and achieve improved Effects of filtering flux, reducing internal resistance, and improving anti-pollution performance

Active Publication Date: 2020-12-25
HARBIN INST OF TECH
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  • Application Information

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Problems solved by technology

[0004] The present invention solves the existing problem that the material will block the pores of the filter-type air cathode during the filtration process and form a filter cake layer. The existence of biofilm will affect the conduction of oxygen and reduce the power output of the system, and provides a carbon-doped Preparation method of nanotube filtration membrane electrode and microbial fuel cell using same

Method used

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  • A preparation method of doped carbon nanotube filter membrane electrode and an external electric field enhanced anti-pollution device using it
  • A preparation method of doped carbon nanotube filter membrane electrode and an external electric field enhanced anti-pollution device using it
  • A preparation method of doped carbon nanotube filter membrane electrode and an external electric field enhanced anti-pollution device using it

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specific Embodiment approach 1

[0030] Specific embodiment one: the preparation method of a kind of doped carbon nanotube filter membrane electrode of the present embodiment is to carry out according to the following steps:

[0031] 1. Preparation of polymer glue:

[0032] Put the polymer resin in an oven, keep it at 40°C-60°C for 6h-12h to obtain the dried polymer resin, add the dried polymer resin and pore-forming agent into N, In N-dimethylacetamide, then sealed with foil paper, magnetically stirred at room temperature for 8h-24h, until dissolved to form a homogeneous solution, then put the homogeneous solution in a dark place, and let it stand for 12h-24h to obtain a polymer glue ;

[0033] The mass ratio of the dried polymer resin to the pore-forming agent is 12:(1~6); the mass ratio of the dried polymer resin to N,N-dimethylacetamide is 12: (60~90);

[0034] 2. Preparation of Membrane Electrode:

[0035] Blend the polymer glue, conductive activated carbon powder, conductive polyaniline and carbon n...

specific Embodiment approach 2

[0041] Embodiment 2: This embodiment is different from Embodiment 1 in that the polymer resin described in step 1 is polyvinyl chloride or polyacrylonitrile. Others are the same as in the first embodiment.

specific Embodiment approach 3

[0042] Embodiment 3: This embodiment differs from Embodiment 1 or Embodiment 2 in that: the polyvinyl chloride is polyvinyl chloride paste resin, and the degree of polymerization of polyvinyl chloride is 1000-1500. Others are the same as in the first or second embodiment.

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Abstract

The invention discloses a preparation method of a carbon nanotube-doped filtering membrane electrode and an external electric field reinforcing anti-pollution device using the carbon nanotube-doped filtering membrane electrode, and aims to solve the problems of influence on conduction of oxygen and lowering of system power output in the presence of a biological membrane since a pore canal of a filtering air cathode is blocked by a material in the filtering process, and a filter cake layer is formed. The method comprises the following steps: I, preparation of high-molecular glue liquid; II, preparation of a membrane electrode. The external electric field reinforcing anti-pollution device using the carbon nanotube-doped filtering membrane electrode comprises an electrode room, a pair electrode, a direct-current power supply, a carbon nanotube-doped filtering membrane electrode, a suction filtration system, a filtering room, a first cover plate and a second cover plate.

Description

technical field [0001] The invention relates to a preparation method of a filter membrane electrode and an external electric field enhanced anti-pollution device utilizing the same. Background technique [0002] With the acceleration of industrialization, the problem of energy shortage is becoming more and more serious, among which the problem of water resource shortage is the most prominent. There are still high concentrations of organic matter in wastewater, which is a potential energy source. At present, microbial fuel cell technology has been widely used in the field of wastewater treatment. It can convert the chemical energy stored in organic matter into electrical energy through direct catalytic oxidation of microorganisms. Compared with traditional wastewater treatment technologies, it has achieved high-quality water and energy recovery. . The main components of microbial fuel cells include cathode, anode and ion exchange membrane. Microorganisms attached to the su...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M4/88H01M8/1004H01M8/16B82Y30/00
CPCB82Y30/00H01M4/88H01M8/1004H01M8/16Y02E60/50
Inventor 冯玉杰宋向茹刘佳蒋晴
Owner HARBIN INST OF TECH
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