Oil field high-difficulty waste water oxidization process
An oxidation process and wastewater technology, applied in the directions of oxidized water/sewage treatment, water pollutants, chemical instruments and methods, etc., can solve the problems of turbid effluent water quality, high investment cost, low pollutant removal rate, etc., and achieve control of investment cost. And the effect of good running cost and practicability
Inactive Publication Date: 2019-06-18
YANGZHOU CHICHENG GASOLINEEUM MACHINERY
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Problems solved by technology
[0002] At present, the tertiary treatment of refractory industrial wastewater mainly includes adsorption, filtration, biological filter, chemical dosing and other process technologies. These technical methods have the following problems to varying degrees, 1) high investment cost, 2) pollutant removal rate Low, 3) turbid effluent quality, 4) high operating costs, etc. Based on the above reasons, the current tertiary treatment of various types of refractory industrial wastewater has been in a state of groping operation, and there are few tertiary treatment processes that operate normally and stably
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[0006] An oxidation process for difficult oilfield wastewater. The oxidation process uses a variety of high-temperature generation technologies, combined with advanced oxidant technology, to conduct contact oxidation on sewage under normal pressure. This contact oxidation can make toxic and harmful substances in sewage harmless. , convert macromolecular organic matter into small molecular organic matter, and reduce its chemical bond energy to break molecular chains, add ferrous sulfate and hydrogen peroxide to the agent addition area, so that ferrous sulfate, hydrogen peroxide and waste water are mixed evenly under the jet mixer and get oxidized.
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The invention relates to an oil field high-difficulty waste water oxidization process. The oxidization process uses various high-temperature generation technologies to be matched with a high-grade oxidizing agent technology. The contact oxidization is performed on sewage at normal pressure. Through the contact oxidization, toxic and harmful substances in the sewage can be treated into harmless materials; macromolecular organic matters are converted into micromolecular organic matters; the chemical bond energy is reduced for fracturing molecular chains; ferrous sulfate and hydrogen peroxide areadded into a chemical adding region, so that ferrous sulfate, hydrogen peroxide and waste water are uniformly mixed under the stirring by a jet flow stirrer; oxidization is performed. The process hasthe advantages that high contaminant removal rate can be ensured, so that the outlet water is discharged in a standard reaching way; meanwhile, the investment cost and the operation cost are well controlled; the practicability is very high.
Description
technical field [0001] The invention relates to a three-stage biochemical treatment of refractory industrial wastewater such as oil fields, printing and dyeing, medicine, chemical industry, and papermaking, and in particular to an oxidation process for highly difficult wastewater in oil fields. Background technique [0002] At present, the tertiary treatment of refractory industrial wastewater mainly includes adsorption, filtration, biological filter, chemical dosing and other process technologies. These technical methods have the following problems to varying degrees, 1) high investment cost, 2) pollutant removal rate Low, 3) turbid effluent quality, 4) high operating costs, etc. Based on the above reasons, the current tertiary treatment of various types of refractory industrial wastewater has been in a state of groping operation, and there are few tertiary treatment processes that operate normally and stably. Contents of the invention [0003] In order to solve the above...
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IPC IPC(8): C02F1/72C02F101/30
Inventor 汪洋
Owner YANGZHOU CHICHENG GASOLINEEUM MACHINERY