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Method for treating industrial wastewater by using O3/H2O2 synergistic advanced oxidation technology

An advanced oxidation technology, a technology for industrial wastewater, applied in the field of industrial wastewater treatment using O3/H2O2 synergistic advanced oxidation technology, can solve the problems of high equipment requirements, large environmental pollution, high treatment costs, etc., achieve high removal efficiency, and ensure water ecological safety , Improve the effect of effluent water quality

Pending Publication Date: 2021-01-12
WEIHAI INNOVATION INST QINGDAO UNIV
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  • Description
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Problems solved by technology

However, the existing advanced oxidation technology has the following disadvantages: secondary pollution during the treatment process, large environmental pollution, high treatment cost, high requirements for equipment, etc.

Method used

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  • Method for treating industrial wastewater by using O3/H2O2 synergistic advanced oxidation technology
  • Method for treating industrial wastewater by using O3/H2O2 synergistic advanced oxidation technology

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Embodiment

[0018] This embodiment is utilizing O to the industrial waste water of certain chemical plant 3 / H 2 o 2 Wastewater treatment is realized in the device for coordinating advanced oxidation technology to treat industrial wastewater. The specific process is as follows:

[0019] (1) Collection of industrial wastewater samples: Collect the wastewater produced by a certain chemical plant to obtain industrial wastewater samples, and place the industrial wastewater samples in the waste water tank 6. The wastewater contains zinc sulfate, sulfuric acid, toluene, methanol, sodium sulfate and other impurities To be processed.

[0020] (2) Pretreatment of industrial wastewater: first adjust the pH of the obtained industrial wastewater, adjust its pH to 7.5-8.5 and then filter, then add a certain amount of 30% to the filtered industrial wastewater at a ratio of 1g / L h 2 o 2 , mix well; then add good H through water pump 5 2 o 2 industrial wastewater pumps to O 3 / H 2 o 2 Advanced ...

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Abstract

The invention belongs to the technical field of wastewater treatment, and relates to a method for treating industrial wastewater by using O3 / H2O2 synergistic advanced oxidation technology. The methodcomprises the following steps: opening a benzene ring structure of a high-molecular aromatic hydrocarbon compound by using hydroxyl radical advanced oxidation technology under O3 / H2O2 synergistic action so as to convert the aromatic hydrocarbon compound into a small-molecular compound, reduce the toxicity of the sewage and increase a B / C biochemical ratio; and then, conducting a UASB + MBR combined process to further enhance biochemical treatment effect, remove pollutants in the wastewater, enhance effluent quality and guarantee water ecological safety.

Description

Technical field: [0001] The invention belongs to the technical field of waste water treatment and relates to a 3 / H 2 o 2 A method for the treatment of industrial wastewater by synergistic advanced oxidation technology. Background technique: [0002] In recent years, my country's industrialization has developed relatively rapidly, and the sewage discharge of various industries has also increased, and the problem of water pollution has become increasingly serious. In a large amount of industrial wastewater, the content of refractory organic pollutants becomes higher, the composition is complex, and it contains refractory toxic substances. Traditional water treatment technology can no longer meet today's treatment needs. Therefore, research on effective treatment of this type of industrial wastewater and use The way to meet the emission standards is imminent. Advanced oxidation technology is a treatment technology that produces hydroxyl radicals and uses their strong oxida...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F101/30
CPCC02F9/00C02F2101/30C02F1/78C02F1/722C02F1/66C02F1/001C02F3/1268C02F3/2846
Inventor 于德爽王晓群姜文杰王晓霞陈光辉苗圆圆
Owner WEIHAI INNOVATION INST QINGDAO UNIV
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