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A treatment device and treatment method for high-concentration refractory organic wastewater

A technology for treating device and organic wastewater, applied in the field of pollutants, can solve the problems of high investment and operation cost, high pollutant content, complex treatment process, etc., and achieve the effects of small environmental impact, large water volume, and fast and effective treatment process.

Active Publication Date: 2016-06-22
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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Problems solved by technology

Due to the different properties and sources of high-concentration organic wastewater, it has the characteristics of high pollutant content, high toxicity, scattered discharge points, complex treatment process, high investment and operation costs, and difficult management. It is difficult to meet the economical requirements of purification treatment by general wastewater treatment methods. Therefore, the treatment of high-concentration organic wastewater has become an urgent problem to be solved in the field of environmental protection at home and abroad at this stage

Method used

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  • A treatment device and treatment method for high-concentration refractory organic wastewater

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Embodiment Construction

[0032] The device and method for treating high-concentration refractory organic wastewater provided by the invention can quickly remove pollutants (such as organic matter, inorganic matter, microorganisms, heavy metals, etc.) in sewage.

[0033] see figure 1 . The treatment device for high-concentration refractory organic wastewater provided by the present invention has a main structure comprising:

[0034] The bottom of the anaerobic biofilm reactor 4 is provided with a mud discharge hole 22, and the inside of the anaerobic biofilm reactor 4 is located above the mud discharge hole 22. An aeration pan is provided, and an agitator 32 is arranged above the aeration pan; the high temperature anaerobic biofilm The reactor 4 is filled with composite packing 5, which is composed of biofilm growing on the surface of the packing. The high-temperature environment in the anaerobic biofilm reactor 4 kills microorganisms and pathogenic bacteria, and at the same time rapidly decomposes r...

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Abstract

A treatment device for high-concentration refractory organic wastewater mainly includes: anaerobic biofilm reactor, aerobic biofilm reactor, artificial wetland system, turbo screen filter tank and grit chamber. The invention also discloses a method for removing high-concentration organic pollutants in sewage by using the device. The present invention uses nano-aeration technology, combined with two methods of photoexcitation and photocatalysis to generate hydroxyl radicals with high efficiency, utilizes its strong oxidizing ability to carry out deep treatment of biological treatment effluent, and removes effluents with poor biodegradability and high relative molecular mass Pollutants are completely oxidized and degraded, and bacteria and pathogenic bacteria in the sewage are killed at the same time, playing the role of sterilization and disinfection.

Description

technical field [0001] The invention relates to an advanced treatment device for high-concentration refractory organic wastewater. [0002] The invention also relates to a method for removing pollutants such as high-concentration organic matter in sewage by using the device. Background technique [0003] Water is an irreplaceable natural resource that is necessary for human life and social production. The status of water resources directly affects the economic and social development and the improvement of people's living standards. The rapid development of sleeper industrial technology and the continuous expansion of production scale, high-concentration organic wastewater The number of pollution sources is increasing day by day, and this problem has attracted more and more attention from all walks of life. Due to the different properties and sources of high-concentration organic wastewater, it has the characteristics of high pollutant content, high toxicity, scattered disch...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
Inventor 席北斗王雷何小松张列宇杨津津李曹乐黎佳茜
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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