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Electrocatalytic oxidation device and method

A technology of electrocatalytic oxidation and electrooxidation, which is applied in chemical instruments and methods, water pollutants, water/sewage treatment, etc., can solve problems such as difficult wastewater treatment, and achieve the effect of effective degradation of COD

Inactive Publication Date: 2019-10-25
ZIBO GERUI WATER TREATMENT ENG
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Problems solved by technology

At present, it is difficult to treat wastewater containing high salt and high concentration of organic matter by conventional biochemical methods

Method used

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  • Electrocatalytic oxidation device and method
  • Electrocatalytic oxidation device and method

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Embodiment Construction

[0021] The present invention will be further described below in conjunction with accompanying drawing.

[0022] figure 1 It is a structural schematic diagram of an electrocatalytic oxidation device in an embodiment of the present invention; as figure 1 As shown, the present invention provides an electrocatalytic oxidation device, including an electrooxidation reactor 1 , a catalytic reactor 2 and a high-salt and high-organic waste water tank 5 . The input end and output end of electro-oxidation reactor 1 are respectively connected with the output end and input end of catalytic reactor 2. The oxidation reactor 1 performs circular catalytic oxidation, so that high-salt and high-organic-matter wastewater can be efficiently degraded. The high-salt and high-organic-matter wastewater tank 5 supplies salt-high organic-matter wastewater to the catalytic reactor 2 through the wastewater pump box 6 .

[0023] A gas-liquid separator 7 is arranged between the output end of the electro-...

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Abstract

The invention relates to the technical field of high-salt wastewater, in particular to an electrocatalytic oxidation device and method, and provides a device and method for lowering the chemical oxygen demand (COD) of the high-salt wastewater. The electrocatalytic oxidation device comprises an electrooxidation reactor and a catalytic reactor, a catalyst is circularly input into the electrooxidation reactor, the high-salt and high-organic-matter wastewater in the electrooxidation reactor generates an oxidation reduction reaction, the output end of the electrooxidation reactor is connected withthe input end of the catalytic reactor, thus a solution subjected to reaction is circularly conveyed into the catalytic reactor to be oxidized and decomposed to obtain carbon dioxide and water, and thus the COD of the treated solution is significantly lowered.

Description

technical field [0001] The invention relates to the technical field of high-salt and high-organic waste water, in particular to an electrocatalytic oxidation device and method. Background technique [0002] High-salt and high-organic waste water refers to waste water containing high concentrations of soluble inorganic salts and organic matter (generally waste water with a salinity greater than 3%). Due to the shortage of water resources, the wastewater discharged from petroleum, chemical, pharmaceutical and other heavy polluting industries often contains high concentrations of soluble inorganic salts and refractory or toxic organic pollutants, which has caused tremendous pressure on the living environment. In addition to high concentrations of salts, industrial wastewater also contains high concentrations of organic matter, and chemical oxygen demand (COD) is often used as an indicator to measure the content of organic matter in water. The so-called chemical oxygen demand (...

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Application Information

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IPC IPC(8): C02F1/467C02F101/30
CPCC02F1/4672C02F2101/30
Inventor 慕史臣
Owner ZIBO GERUI WATER TREATMENT ENG
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