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A kind of high-concentration wastewater treatment process and its treatment system

A treatment system and concentrated wastewater technology, applied in water/sewage treatment, multi-stage water/sewage treatment, degassed water/sewage treatment, etc., can solve the problems of insufficient removal of ammonia nitrogen, achieve sufficient removal effect, concentrated impact, The effect of improving the removal rate

Active Publication Date: 2021-11-19
深圳中科环保产业发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the defect of insufficient removal of ammonia nitrogen in the existing ammonia nitrogen wastewater treatment method, the application provides a treatment process and a treatment system for high concentration wastewater

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  • A kind of high-concentration wastewater treatment process and its treatment system
  • A kind of high-concentration wastewater treatment process and its treatment system
  • A kind of high-concentration wastewater treatment process and its treatment system

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Embodiment Construction

[0042] The following is attached Figure 1-4 The application is described in further detail.

[0043] The embodiment of the present application discloses a treatment process for high-concentration wastewater. refer to figure 1 , the treatment process of high-concentration wastewater includes the following steps:

[0044] S1, pretreatment, adjust the pH value of the wastewater to 10-11;

[0045] S2, blowing off, introducing the waste water into the blowing off device 2 to blow off the free ammonia in the separated waste water, heating the waste water at the same time, and controlling the ambient temperature of the waste water to be 20-35°C;

[0046] S3, circulation, step S1 and step S2 are carried out again sequentially with the waste water exported in the stripping device 2;

[0047] S4, oxidation, pass into strong oxidizing agent such as chlorine or sodium hypochlorite in waste water, the remaining small amount of free ammonia in waste water is oxidized to nitrogen;

[0...

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Abstract

This application relates to the field of wastewater treatment, and discloses a treatment process and system for high-concentration wastewater, wherein the process includes the following steps: S1, pretreatment, adjusting the pH value of the wastewater to 10-11; S2, blowing off, removing the wastewater Import into the stripping equipment to blow off the free ammonia in the separated wastewater; S3, circulation, carry out step S1 and step S2 in sequence with the wastewater exported from the stripping equipment; A small amount of free ammonia remaining in the waste water is oxidized to nitrogen; S5, adsorption, the waste water is adsorbed by activated carbon to remove the peculiar smell in the waste water. This application has a more sufficient effect of removing ammonia nitrogen.

Description

technical field [0001] The present application relates to the field of waste water treatment, in particular to a high-concentration waste water treatment process and a treatment system thereof. Background technique [0002] With the rapid development of my country's economy, the problem of water pollution is becoming more and more serious, and the pollution of ammonia nitrogen wastewater is becoming more and more serious. At present, chemical, metallurgical, petrochemical, pharmaceutical, food and other industries all produce a large amount of high-concentration ammonia-nitrogen wastewater. The discharge of a large amount of ammonia-nitrogen wastewater has led to intensified eutrophication of water bodies, resulting in black and odorous water bodies and a large number of fish deaths. The resulting major water crises occur from time to time, seriously affecting people's normal life, and even endangering people's health, which has a huge social impact. [0003] Commonly used ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/04C02F101/16
CPCC02F1/20C02F1/281C02F1/66C02F1/76C02F9/00C02F2101/16C02F2303/02
Inventor 欧阳洁丁颖颖
Owner 深圳中科环保产业发展有限公司