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Method and device for removing insoluble organic matters in water

A technology for refractory organic matter and water removal, applied in the field of free radical chemistry, can solve the problem of high treatment cost, achieve the effect of low operating cost, optimized miscibility process mode and parameters, and no negative effects on the environment

Active Publication Date: 2015-02-18
XIAMEN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Patent CN 103435206 proposes "a synergistic method and treatment system for treating organic wastewater by ozone oxidation and ionizing radiation". This method has high treatment costs, and radiation treatment technology has certain safety risks

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  • Method and device for removing insoluble organic matters in water
  • Method and device for removing insoluble organic matters in water
  • Method and device for removing insoluble organic matters in water

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Embodiment Construction

[0032] The following embodiments will further illustrate the present invention in conjunction with the accompanying drawings. However, the scope of protection of the invention is not limited to the examples described.

[0033] see figure 1 , the embodiment of the device for removing refractory organic matter in water is provided with an oxygen plasma generation source 4, a high-frequency high-voltage power supply 5, a plasma diagnostic device 6, an oxygen plasma gas concentration detector 7, a pump 9, a filter 10, Water quality detector 11, gas-liquid high-pressure ejector 12, miscible device 13, gas-liquid separator 14, residual gas eliminator 15, total oxidant TRO detector 16, branch circuit 20, main circuit 21-1-21-3.

[0034] The air inlet of the oxygen plasma generation source 4 is externally connected to the raw material gas source, the high-frequency high-voltage power supply 5 is connected to the oxygen plasma generation source 4, the plasma diagnostic equipment 6 is ...

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Abstract

The invention provides a method and device for removing insoluble organic matters in water, and relates to water treatment. According to the method, a power supply is started, a raw material gas enters an oxygen plasma generation source and is subjected to ionization and dissociation to generate an oxygen plasma gas; part of the oxygen plasma gas is introduced into an oxygen plasma gas concentration detector from the outlet of the oxygen plasma generation source, and the rest oxygen plasma gas enters a high-pressure ejector; after to-be-treated water is pumped to a filter, part of the to-be-treated water is fed into the high-pressure ejector to be subjected to gas-liquid mixing with the oxygen plasma gas entering the high-pressure ejector, and then flows into a mixer for further mixing; the oxygen plasma gas which is not dissolved in water is thermally decomposed into O2 by virtue of a gas-liquid separator and a residual gas eliminator and is emitted; a hydroxyl radical solution is generated from the oxygen plasma gas in a branch pipe, and is delivered into the mixer in a main pipe by virtue of the branch pipe; water containing organic pollutants is pumped into the filter, and the rest water is delivered into the mixer in the main pipe and sufficiently mixed with the hydroxyl radical solution delivered from the branch pipe, and the organic pollutants are quickly oxidatively degraded at the same time.

Description

technical field [0001] The invention belongs to the technical field of free radical chemistry and water treatment application, and in particular relates to a method and a device for removing refractory organic matter in water for large-scale rapid treatment of hydroxyl radicals. Background technique [0002] With the aggravation of water pollution, the types and contents of refractory organic pollutants and new pollutants in water have increased significantly. A large number of organic pollutants such as persistent organic pollutants (POPs), pharmaceuticals and personal care products (PPCPs), pesticides, petroleum organic pollutants, chemical products and other various synthetic compounds are discharged into water bodies. Among these persistent polluting organic substances (POPs), quite a few are highly toxic, difficult to degrade under environmental conditions, can exist for a long time, and usually cause harm through long-term continuous action at extremely low exposure le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/72C02F101/30
CPCC02F1/72C02F2101/30
Inventor 白敏冬李海燕郑琦琳赖正黄孟斌
Owner XIAMEN UNIV
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