Non-point source pollution treatment method

A non-point source pollution and river bank technology, applied in the field of environmental pollution prevention and control, can solve problems such as unsatisfactory effects, and achieve the effects of significant water purification effect, restoration of natural ecology, and good landscape effect.

Inactive Publication Date: 2019-04-19
湖南新九方科技有限公司
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Problems solved by technology

[0005] In order to solve the problem in the prior art that the effect of removing non-point source pollution by constructing ecological slope protection and other methods is not ideal, the purpose of the present invention is to provide a non-point source pollution control method

Method used

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Embodiment

[0037] Non-point source pollution control method, the schematic diagram is as follows figure 1 and figure 2 As shown, the steps include:

[0038] (1) biological purification unit 1 is set on the river surface next to the river bank;

[0039] (2) Lay purification membrane filtration unit 2 on the river bank and at the junction with the river surface;

[0040] (3) Construct plant community unit 3 on the river bank.

[0041] Wherein, the biological purification unit 1 includes a culture cage and water-purifying biological snails and clams put in the culture cage, and the feeding density is 0.3kg of water-purifying organisms in the culture cage per square meter.

[0042] Purification membrane filtration unit 2 comprises sandy loam layer, bottom cloth layer, seed layer, nutrient fiber layer and geotextile layer laid successively from bottom to top, and seed layer position Iris calamus seed layer; Bran 35%, soybean meal 35% and keratin fiber 30%. The sandy loam layer not only ...

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Abstract

The invention provides a non-point source pollution treatment method. The method comprises the steps of firstly arranging a biological purification unit on the river surface close to a river bank, then laying a purification membrane filtration unit at the junction of the river bank and the river surface, and finally constructing a plant community unit on the river bank. According to the non-pointsource pollution treatment method, river banks, river sides and river surface areas are comprehensively utilized, the problem is solved through cooperative treatment of the three areas that the non-point source pollution removal effect is not ideal enough in the prior art by means of ecological protective slope construction and the like is solved, pollutants can be purified layer by layer, a goodlandscape effect is also created, multiple effects are achieved, and plant communities can play the effect of reducing or removing non-point source pollution under different surface runoff conditionsand in different seasons.

Description

technical field [0001] The invention belongs to the technical field of environmental pollution prevention and control, and in particular relates to a non-point source pollution treatment method. Background technique [0002] Environmental pollution can be divided into "point source pollution" and "non-point source pollution". "Point source pollution" refers to pollution sources from fixed discharge points, such as industrial wastewater and urban domestic sewage, which are concentrated into rivers and lakes through discharge outlets, while non-point source pollution has no fixed pollution discharge point. The non-point source of water pollution is the source of water pollution caused by the distribution and discharge of pollutants in the form of area. Pollutants brought by slope runoff and farmland irrigation water are important sources of water pollution. [0003] At present, the ecological restoration technologies for non-point source pollution mainly include structural tr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14
CPCC02F1/001C02F1/28C02F1/44C02F3/327C02F9/00
Inventor 成一知纪智慧
Owner 湖南新九方科技有限公司
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