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A treatment device and treatment method for sewage treatment and reuse

A sewage treatment and treatment device technology, which is applied in the direction of water/sewage multi-stage treatment, water/sludge/sewage treatment, chemical instruments and methods, etc., can solve the problem of high cost of advanced treatment methods, high cost of advanced treatment, secondary pollution and other problems, to achieve the effect of thorough removal of organic matter, water resource conservation, and good purification effect

Inactive Publication Date: 2016-01-20
CHINESE RES ACAD OF ENVIRONMENTAL SCI
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Problems solved by technology

The advanced treatment method is expensive and the management is more complicated. The cost per ton of water treatment is about 4-5 times the cost of primary treatment
However, the cost of advanced treatment is high, and it is easy to cause waste and secondary pollution. Therefore, it is necessary to find a low-cost, more practical and effective method for advanced treatment of sewage

Method used

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  • A treatment device and treatment method for sewage treatment and reuse

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Embodiment Construction

[0031] The object of the present invention is to provide a treatment method for sewage treatment and reuse, which can efficiently remove pollutants (such as organic matter, microorganisms, inorganic matter and other chemical impurities) in sewage.

[0032] Describe in detail below in conjunction with accompanying drawing. It should be noted that the left, right, up, down, etc. mentioned in the following descriptions are all based on the directions shown in the drawings.

[0033] Combined device provided by the invention, its main structure comprises:

[0034]A grid pool 1 is filtered by a filter, and impurities in the water gradually accumulate on the surface of the filter, and large particles are isolated from the sewage, reducing the risk factor of clogging of the constructed wetland and improving the efficiency of the downstream process.

[0035] The baffle composite vertical constructed wetland 6 is mainly divided into three parts. The left half is respectively a composit...

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Abstract

The invention discloses a treatment device for sewage treatment and reclamation, which mainly comprises a grid tank, wherein the grid tank is connected with a flow-deflection composite vertical artificial wetland through a water inlet pipe; the flow-deflection composite vertical artificial wetland is connected to a surface layer turbulence screening filter through two necking-down water inlet pipes; and a water outlet of the surface layer turbulence screening filter is connected with a nano aeration advanced treatment device. The invention also discloses a treatment method for sewage treatment and reclamation.

Description

technical field [0001] The invention relates to a treatment device for sewage treatment and reuse. [0002] The invention also relates to a method for advanced treatment of tertiary effluent of sewage by using the above-mentioned device. Background technique [0003] Sewage advanced treatment refers to the further water treatment process in which urban sewage or industrial wastewater is treated in the first and second stages, in order to achieve a certain reuse water standard so that the sewage can be reused as a water resource for production or life. For the raw water quality and treated water quality requirements of sewage (wastewater), a tertiary treatment or multi-level treatment process can be further adopted. It is often used to remove trace COD and BOD organic pollutants, SS, nitrogen and phosphorus high-concentration nutrients and salts in water. Advanced treatment methods include: flocculation sedimentation method, sand filtration method, activated carbon method, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F9/14
Inventor 王雷席北斗赵颖张列宇夏训峰何卓识王丽君高如泰
Owner CHINESE RES ACAD OF ENVIRONMENTAL SCI
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