Rainfall runoff purification device and method

A purification device and runoff technology, applied in chemical instruments and methods, biological treatment devices, runoff/rainwater treatment, etc., can solve the problems of poor removal effect of indicator bacteria and trace organic toxic substances, short device life, complicated operation, etc. The effect of increasing radial processing capacity, low cost and simple operation process
CN109095728AActive Publication Date: 2018-12-28NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
Publication Date
2018-12-28

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Abstract

The invention discloses a rainfall runoff purification device and method and belongs to the field of sewage treatment. Water collection, water inlet, purification and drain systems are integrated; a purification filter in the device is provided with four filter areas including a plant area, a compost interception area, a biochar filler area and a drain area from top to bottom, four different treatment processes and methods are compounded and connected in one system in series, and organic compost particles have higher aromaticity, can be utilized with organic substrates as carbon sources and can produce unique microbial florae to degrade pollutants, so that better and more stable rainfall runoff purification tretament effects are realized. The used filler is low in cost, and the investmentis greatly reduced while the sewage tretament effect is guaranteed. The device has the advantages of being small in size, flexible and wide in application, simple in structure, reasonable in design and easy to manufacture.
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Description

technical field

[0001] The invention belongs to the field of sewage treatment equipment and methods, and more specifically relates to a rainwater runoff purification device and purification method. Background technique

[0002] Today's Chinese society is developing rapidly and the urbanization process is accelerating, resulting in the rapid increase of urban impervious areas and non-point source pollution is becoming more and more serious. Prior to the 21st century, the focus of research was on point source pollution. With the advancement of science and technology, the improvement of control measures and the increase in investment in control, point source pollution has been effectively controlled, and its contribution to water pollution has been decreasing year by year. At the same time, the proportion of non-point source pollution in the pollution load has been rising, surpassing point source pollution, and accounting for 60% of water pollution. Compared with point source ...

Claims

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