A high-flux electrochemical filtration sewage treatment device

A sewage treatment device, electrochemical technology, applied in the direction of water/sewage treatment, water/sewage treatment equipment, water/sludge/sewage treatment, etc. In order to avoid mechanical damage, reduce electrode distance, and operate flexibly

Active Publication Date: 2019-01-25
NANJING FORESTRY UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The device can effectively improve the ordinary vertical water flow carbon nanotube membrane electrochemical filter reactor, increase the contact opportunity between pollutants and carbon nanotubes, and overcome the shortcoming of easy gas accumulation under high voltage, so as to improve the reaction efficiency and solve the problem of carbon nanotubes at the same time. The nanotube membrane material is not fixed firmly and is easily damaged

Method used

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  • A high-flux electrochemical filtration sewage treatment device
  • A high-flux electrochemical filtration sewage treatment device
  • A high-flux electrochemical filtration sewage treatment device

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Embodiment Construction

[0025] In order to achieve the above object, the present invention is achieved in that the whole system includes an electrochemical filter reactor, a circulation pump, a flow meter and a DC power supply. Its characteristics are: the electrochemical filter reactor assembly is composed of a support, a cylinder, carbon nanotube electrodes and connecting parts, a porous insulating rigid diaphragm, a porous insulating flexible diaphragm, and a sealing part. The reactor cylinder and support are made of polytetrafluoroethylene (PTFE), or polyethylene (PE), or ABS, or PVC-U and other oxidation-resistant insulating plastics. The reactor cylinder and the support are connected and sealed by nuts and bolts + silicone gaskets. The porous insulating flexible membrane separates the two layers of carbon nanotube membrane electrodes; the porous insulating flexible membrane is absorbent cotton cloth, or polyvinylidene fluoride (PVDF) membrane, or cellulose acetate filter membrane. The connecti...

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Abstract

The invention is a high-throughput electrochemical filtration sewage treatment device, which comprises an electrochemical filtration reactor (1), a circulating pump (2), a flow meter (3) and a direct current power supply (4). Among them: the electrochemical filtration reactor (1) assembly consists of a cylinder (5), a support (6), a carbon nanotube membrane electrode (7) and a connecting part (8), a porous insulating rigid diaphragm (9), a porous insulating It consists of a flexible membrane (10) and a sealing component. The porous insulating flexible membrane separates the two layers of carbon nanotube membrane electrodes, and the two porous insulating rigid membranes are used as the support of the electrodes to squeeze the electrodes and the electrode connecting parts tightly. Under the suction or pressure delivery of the circulating pump, the water flow can pass through the carbon nanotube membrane electrode of the electrochemical filtration reactor vertically at high speed, and take away the air bubbles generated on the electrode without disintegrating the electrode or causing mechanical damage. The invention has the advantages of simple structure, high reaction rate, low operation cost, convenient operation and stable operation.

Description

technical field [0001] The invention is a high-efficiency electrochemical filtering reaction device capable of vertically passing the sewage and wastewater through the carbon nanotube membrane at a high flow rate. In particular, it is a high-throughput electrochemical filtration sewage treatment device. Background technique [0002] With the rapid development of population and industry, a large amount of organic pollutants have been discharged into water bodies, causing damage to the ecological environment. Therefore, it is necessary to develop new sewage treatment methods to effectively remove organic pollutants in sewage, especially toxic and harmful organic substances. [0003] The electrochemical method can effectively degrade organic pollutants in sewage and wastewater, and has the advantages of no need to add oxidants, flocculants and other chemicals, small equipment size, small footprint, simple and flexible operation, and small sewage discharge. Therefore, it has be...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/461
CPCC02F1/46109C02F2001/46171C02F2201/46115
Inventor 林少华钱雯雯刘祺吕建伟沈雅如孙琳峰周治
Owner NANJING FORESTRY UNIV
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