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Sewage treatment process and apparatus for synchronous electrogenesis desalinisation

A sewage treatment device and sewage treatment technology, applied in electrochemical water/sewage treatment, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve problems such as high power consumption, achieve low energy consumption, and process Simple, efficient effect

Active Publication Date: 2011-05-11
TSINGHUA UNIV
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Problems solved by technology

At present, seawater desalination has spread to 125 countries and regions all over the world, and desalinated water feeds about 5% of the world's population. Among them, distillation, electrodialysis, ultrafiltration-reverse osmosis, etc. are currently the main desalination processes, and these processes have high treatment efficiency. But it comes with high power consumption

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  • Sewage treatment process and apparatus for synchronous electrogenesis desalinisation
  • Sewage treatment process and apparatus for synchronous electrogenesis desalinisation

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Embodiment Construction

[0022] The present invention provides a sewage treatment process and device for synchronous electricity generation and desalination. The present invention will be further described below in conjunction with the accompanying drawings and specific implementation methods.

[0023] figure 1 It is a schematic diagram of the principle of the desalination microbial fuel cell of the present invention. The anion membrane 2 and the anode membrane 3 divide the microbial fuel cell 1 into an anode chamber A, an intermediate desalination chamber B and a cathode chamber C, wherein the anion membrane 2 and the anode membrane 3 use non-toxic industrial electricity with a transmittance of 95%. A dialysis ion exchange membrane with a thickness of 0.3 mm and a burst strength of 0.5 MPa; an anode 4 is arranged in the anode chamber A, a cathode 5 is arranged in the cathode chamber C, and an electrogenic microbial film 6 with a thickness of 40 μm is arranged on the anode 4, Electrogenic microorgani...

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Abstract

The invention belongs to the technical field of water resource processing, and in particular relates to a technology and a device for processing sewage from synchronous electricity generation and desalting, which comprises an anode chamber, an anion exchange membrane, a middle desalting chamber, a cation exchange membrane and a cathode chamber. An electric generation microorganism membrane is arranged on an anode. Sewage flows into the anode chamber and is removed by oxidization under the action of electric generation microorganisms, and electrons are conducted to the anode. Anions in the middle desalting chamber penetrate the anion exchange membrane to reach the anode, and cations penetrate the cation exchange membrane to reach the cathode to realize the desalting processing and form internal currents. The electrons reach the cathode by external circuit loading to generate reduction reaction to realize the electricity generation process. The internal currents of the microorganism fuel battery are used for sewage processing, electric generation and desalting. The technology of the invention is simple and easy to operate and has low energy consumption and high efficiency. The device is simple in structure and is convenient for industrial production and utilization.

Description

technical field [0001] The invention belongs to the technical field of water resources treatment, and in particular relates to a sewage treatment process and device for synchronous electricity generation and desalination. Background technique [0002] Water is an important natural resource for human survival. The deterioration of the global water environment and the severe energy crisis urgently require high-efficiency and low-consumption sewage resource technology to alleviate the shortage of water resources and the demand for energy. 97% of the total water reserves on the earth are salt water (including sea water and brackish water). To obtain fresh water from the sea and salt lakes to alleviate the increasingly serious world water crisis has not only formed a consensus in the global scientific and technological circles, but also has become a The governments of the coastal countries propose and develop new water sources. At present, seawater desalination has spread to 12...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H01M8/16C02F3/34C02F1/46
CPCY02E60/50Y02P70/50
Inventor 黄霞曹效鑫梁鹏肖康周颖君罗甘·布鲁斯
Owner TSINGHUA UNIV
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