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A retrograde microbial fuel cell device using ultrasonic pretreatment of electrogenic microorganisms

A technology of electricity-producing microorganisms and fuel cells, which is applied to biochemical fuel cells, fuel cells, fuel cell components, etc., can solve problems such as low electricity generation efficiency and slow oxidation rate, and achieve improved electricity generation performance and mass transfer performance, and the effect of improving the efficiency of electricity production and wastewater treatment

Inactive Publication Date: 2016-02-24
NORTHEAST DIANLI UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In terms of inoculated electricity-producing microorganisms, the existing microbial fuel cell inoculum has a slow oxidation rate of the substrate and low electricity production efficiency

Method used

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  • A retrograde microbial fuel cell device using ultrasonic pretreatment of electrogenic microorganisms
  • A retrograde microbial fuel cell device using ultrasonic pretreatment of electrogenic microorganisms
  • A retrograde microbial fuel cell device using ultrasonic pretreatment of electrogenic microorganisms

Examples

Experimental program
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Effect test

Embodiment 1

[0044] Embodiment 1: A kind of back-type microbial fuel cell device using ultrasonic pretreatment of electricity-producing microorganisms of embodiment 1 comprises the following steps:

[0045] (1) Preparation of electrodes

[0046] a. Anode preparation

[0047] Take two pieces of carbon felt with a specification length×width of 4.0×4.0cm and a thickness of 1.0cm, and a copper sheet with a specification length×width of 4.0×4.0cm is sandwiched between them, and the copper sheet is fixed on the carbon felt with carbon fiber wire as an anode ;

[0048] b. Cathode preparation

[0049] Use a copper sheet with a size of 4.0×4.0cm in length×width as the cathode;

[0050] (2) Cultivation of anode activated sludge and cathode Pseudomonas culture solution

[0051] a. Anode activated sludge cultivation

[0052] Add 200 g of granular activated sludge purchased from Shanghai Daocheng Environmental Engineering Co., Ltd. into 800 mL of culture medium. The dosage of each component of the...

Embodiment 2

[0072]Embodiment 2: (1), (2) (5) and (6) steps are identical with embodiment 1 in the step of a kind of back-type microbial fuel cell device that uses ultrasonic wave to pretreat electricity-producing microorganisms of embodiment 2, its ( 3) and (4) steps are different, the specific steps are:

[0073] (3) Ultrasonic pretreatment

[0074] 20mL of the anode activated sludge obtained through step 2 (a) cultivation and 20mL of the Pseudomonas schizophrenia culture liquid obtained through step 2 (b) cultivation are carried out ultrasonic treatment with an ultrasonic cell pulverizer respectively, and the ultrasonic power is set as 400W, ultrasonic time is 15min;

[0075] (4) Immobilization of anode activated sludge and cathode Pseudomonas culture solution

[0076] a. Immobilization of anode activated sludge

[0077] Take 13g of polyethylene glycol and dissolve it in a solution containing 0.7% N, N, N ， , N ， - In 150mL of demineralized water of tetramethylene diamine and 0.8g ...

Embodiment 3

[0080] Embodiment 3: (1), (2) (5) and (6) steps are identical with embodiment 1 in the step of a kind of back-type microbial fuel cell device that uses ultrasonic wave to pretreat electricity-producing microorganisms of embodiment 3, its ( 3) and (4) steps are different, the specific steps are:

[0081] (3) Ultrasonic pretreatment

[0082] 20mL of the anode activated sludge obtained through step 2 (a) cultivation and 20mL of the Pseudomonas schizophrenia culture liquid obtained through step 2 (b) cultivation are carried out ultrasonic treatment with an ultrasonic cell pulverizer respectively, and the ultrasonic power is set as 600W, ultrasonic time is 20min;

[0083] (4) Immobilization of anode activated sludge and cathode Pseudomonas culture solution

[0084] a. Immobilization of anode activated sludge

[0085] Take 14g of polyethylene glycol and dissolve it in a solution containing 0.8% N, N, N ， , N ， - In 150mL of demineralized water of tetramethylene diamine and 0.8g...

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Abstract

The invention relates to a clip-type microorganism fuel battery device for preprocessing electrogenesis microorganisms by utilizing ultrasonic wave. The clip-type microorganism fuel battery device is characterized by comprising the following steps: preparing an electrode, culturing anode active sludge, culturing cathode application-type pseudomonas culture solution, ultrasonically preprocessing, fixing the anode active sludge, fixing the cathode application-type pseudomonas culture solution, preparing anode liquid, preparing cathode liquid, establishing and running the clip-type microorganism fuel battery device, and the like. The clip-type microorganism fuel battery device is simple in structure, reliable in performance, capable of continuously treating the waste water and remarkably improving the electrogenesis performance of the battery, high in electricity production speed and high in waste water treatment efficiency, and occupies a small area.

Description

technical field [0001] The invention relates to a type microbial fuel cell device which uses ultrasonic waves to pretreat microorganisms producing electricity. Background technique [0002] Due to the continuous growth of the population and the rapid development of the industrial revolution, the problem of energy shortage has become very serious. Microbial fuel cells can well combine sewage treatment and energy production, and thus become a new type of environmental biological treatment technology. [0003] Microbial fuel cells use organic matter as fuel, and oxidize organic matter to release energy under the action of microorganisms as catalysts. The bacteria inoculated in some microbial fuel cells can use external nitrogen sources to carry out metabolic reactions, so that microbial fuel cells can denitrify wastewater while generating electricity. However, the above-mentioned microbial fuel cells have many disadvantages, and there is still a lot of room for improvement. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/16H01M4/88H01M4/86H01M8/0276C02F3/34
CPCC02F3/34H01M8/02H01M8/16Y02E60/50Y02P70/50
Inventor 乔楠于大禹陈瑞佳
Owner NORTHEAST DIANLI UNIVERSITY
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