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A high-voltage discharge plasma high-cod emulsified wastewater demulsification degradation device

A plasma and emulsified wastewater technology, applied in the field of ions, can solve the problems of low energy utilization rate and low energy consumption efficiency, and achieve the effects of improving treatment effect, strengthening cooling effect, and maximizing energy utilization

Active Publication Date: 2021-12-21
CHONGQING TECH & BUSINESS UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

At the same time, in the process of treating refractory organic waste, plasma technology has the characteristics of low energy consumption, high efficiency, and no secondary pollution. It can effectively treat almost all organic pollutants, but the use of plasma technology alone has energy utilization efficiency Difficult problems such as low levels, inorganic pollutants and heavy metal ions

Method used

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  • A high-voltage discharge plasma high-cod emulsified wastewater demulsification degradation device
  • A high-voltage discharge plasma high-cod emulsified wastewater demulsification degradation device
  • A high-voltage discharge plasma high-cod emulsified wastewater demulsification degradation device

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Embodiment

[0016] see Figure 1-5 : A kind of high COD oil-containing emulsified wastewater demulsification degradation device based on surface dielectric barrier discharge plasma, which includes n-CSTR reaction tank (a), high voltage discharge assembly (18), foam reduction unit (b), packing tank one ( c), two (d) and sedimentation tank (e).

[0017]The water inlet (18-1) of the reaction tank (a) of the device leads into the pretreated oil-containing emulsified waste liquid, and complex oxidation reactions occur in the reaction tank. The water outlet (3) of the reaction pool (a) is connected to the peristaltic pump (4), and then connected to the water inlet (5) of the packing pool one (c), and reactions such as adsorption and ion exchange occur in the packing pool. Its water outlet (6) is connected to the water inlet (7) of the filler tank 2 (d), and adsorption, filtration, etc. occur in the filler tank to further improve water quality and oil-water separation. Finally, it is discharge...

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Abstract

The invention is a high-voltage discharge plasma equipment, mainly used for demulsification of oil-containing emulsions. Its biggest feature is that the high-voltage pole discharges the annular water column, which is beneficial to reduce the partial discharge temperature and improve the discharge efficiency. At the same time, the invention is an integrated In addition to high-voltage discharge advanced oxidation, the equipment is also equipped with functional units such as adsorption, filtration, foam reduction, and gas-liquid mixing. When degrading waste water containing volatile organic compounds, a large amount of foam and heavy metals, it can show its greatest advantages. A variety of functions are integrated, small size, small footprint, convenient operation, high energy utilization rate, and can be used for continuous degradation of waste water and waste gas.

Description

technical field [0001] The invention belongs to the technical field of low-temperature plasma technology, demulsification of oil-containing emulsified wastewater and COD degradation technology, and specifically relates to equipment for mainly treating high-COD oil-containing emulsified waste liquid in combination with surface dielectric barrier discharge plasma combined with n-CSTR and various functional units. Background technique [0002] With the development of petrochemical, mechanical processing, food processing, metal surface cleaning and other industries, the discharge of various high-concentration, refractory oily emulsified wastewater has increased sharply, which poses threats to the ecological environment such as water, soil, vegetation, and microorganisms. High-concentration oil-containing emulsified wastewater has become the focus and difficulty in the treatment of various industrial wastewater due to its complex composition, excessive heavy metal ions, difficult ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/46
CPCC02F1/4608
Inventor 王小平刘威
Owner CHONGQING TECH & BUSINESS UNIV