Industrial wastewater treatment method

A technology for industrial wastewater and treatment methods, applied in water/sewage treatment, water treatment parameter control, special compound water treatment, etc., can solve problems such as difficulty in inhibiting the structure of wastewater bioinhibitory pollutants, poor treatment effect of industrial wastewater, etc. Achieve high-efficiency catalytic oxidation, improve treatment effect, and accelerate oxidation

Inactive Publication Date: 2017-09-26
SICHUAN AOHENG ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for treating industrial wastewater, which solves the problem that the current industrial wastewater treatment effect is not good, and it is difficult to suppress the structure of biologically inhibited pollutants in wastewater

Method used

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention more clear, the present invention will be further described in detail below in conjunction with the examples. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] A treatment method for industrial wastewater, comprising the steps of:

[0024] Step 1: introducing industrial wastewater into the coagulation air flotation reaction tank to carry out coagulation air flotation reaction;

[0025] Step 2: Introduce the waste water after the coagulation air flotation reaction into the intermediate water tank for storage, and lift it to the ozone contact oxidation tower through the lift pump for ozone contact reaction;

[0026] Step 3: introducing the wastewater after the ozone contact reaction into a high-efficiency catalytic oxidation tank for catalytic oxidation reaction;

[0027] S...

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Abstract

The invention discloses an industrial wastewater treatment method which comprises the following steps: (I) introducing industrial wastewater into a coagulation air flotation reaction tank for a coagulation air flotation reaction; (II) introducing the wastewater after the coagulation air flotation reaction into a middle water tank for storage, and lifting the wastewater by a lift pump into an ozone contact oxidation tower for an ozone contact reaction; (III) introducing the wastewater after the ozone contact reaction into an efficient catalytic oxidation tank for a catalytic oxidation reaction; (IV) introducing the wastewater after the catalytic oxidation reaction into an efficient sedimentation tank for sedimentation, wherein clear water after the sedimentation is recycled, and the sludge after the sedimentation is discharged to a wastewater treatment system for dehydration drying treatment and then transported outside for harmless treatment. By adopting the method disclosed by the invention, the sewage treatment effect can be improved, and the structures of biological inhibitory pollutants in the wastewater are effectively inhibited.

Description

technical field [0001] The invention relates to the field of wastewater treatment, in particular to a method for treating industrial wastewater. Background technique [0002] At present, the main process of my country's pharmaceutical and chemical wastewater treatment is the microbial treatment process. The microbial treatment process decomposes the organic pollutants in the wastewater through the metabolism of microbial colonies, and the microorganisms absorb sugar, protein, fat, starch and other low-molecular compounds from it. And oxidize and decompose low-molecular organic matter into CO in an aerobic environment 2 and H 2 O process. However, a certain amount of bioinhibitory pollutants often exist in pharmaceutical and chemical wastewater, especially in the production enterprises of bactericidal and anti-inflammatory drugs. The bioinhibitory pollutants inhibit the growth of microbial colonies that play a key role in the wastewater treatment system, so that the Affect ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/04
CPCC02F1/24C02F1/5281C02F1/66C02F1/722C02F1/725C02F1/78C02F9/00C02F11/12C02F2201/782C02F2209/06C02F2305/026
Inventor 刘耀中
Owner SICHUAN AOHENG ENVIRONMENTAL PROTECTION TECH CO LTD
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