Application of hydrophobic material

A hydrophobic and soft technology, applied in biological water/sewage treatment, water/sludge/sewage treatment, sustainable biological treatment, etc. Large contact area, increased dissolved oxygen, and uniform distribution of oxygen
CN102923847BActive Publication Date: 2015-04-08BIOGAS SCI RES INST MIN OF AGRI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
BIOGAS SCI RES INST MIN OF AGRI
Publication Date
2015-04-08

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Abstract

The invention discloses the application of a hydrophobic material. The hydrophobic material is applied to a biological filler and manufactured into a supporting structure, a baffle or an airflow uniform structure which are applicable to a facultative anaerobic region or an aerobic region of a sewage purification system. The application of the hydrophobic material can improve the contact area and the contact time of a water surface and the air, thereby improving the reoxygenation performance of the biological filler.
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Description

technical field

[0001] The invention relates to the application of a hydrophobic material, which is mainly applied to facultative and aerobic parts in non-powered or micro-powered domestic sewage treatment devices. Background technique

[0002] Since the 1980s, domestic sewage purification biogas digesters have gradually developed on the basis of borrowing rural biogas digesters and traditional septic tank technologies. This simple domestic sewage treatment technology has gradually developed into the main technology for the decentralized treatment of domestic sewage in southern my country due to its advantages of decentralized investment, no energy consumption, low operating costs, and land conservation, and has been widely used.

[0003] In order to meet environmental protection requirements, this type of domestic sewage treatment and purification device usually needs to realize the function of biological nitrogen and phosphorus removal, and biological nitrogen and phosphor...

Claims

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