Water body ecological restoration method

A technology for ecological restoration and water body, applied in chemical instruments and methods, sustainable biological treatment, biological water/sewage treatment, etc., can solve problems such as unfavorable large-scale promotion and application, difficult control of microbial community delivery, and complicated operation, etc., to achieve The effect of solving the eutrophication of water body

Active Publication Date: 2016-08-17
ZHONGKAI UNIV OF AGRI & ENG
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AI Technical Summary

Problems solved by technology

However, this method is complex, cumbersome, and costly, and the delivery of microbial populations is difficult to control, which is not conducive to large-scale promotion and application

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Embodiment 1, a kind of water body ecological restoration method

[0036] In the water area up to 1500m 2 , water restoration in a channel with a water depth of 2.0m:

[0037] S1 water surface cleaning: collect and clean the floating objects on the water surface so that the depth of light transmission at the bottom of the water reaches 1m, and place a 0.8m deep 10x10cm mesh cotton net at the water inlet;

[0038] S2 submerged plant planting: get the non-woven fabric to make small square holes, the aperture is 5cm, the distance between the hole and the hole of the non-woven fabric is 10cm, and hornwort, foxtail algae, bamboo leaf eye vegetable, black algae, The 7 kinds of submerged plants such as chrysanthemum, bitter grass and water wheel are inserted into the horizontal holes of the non-woven fabric in sequence according to the ratio of 1:1:1:1:1:1:1 to obtain a blanket of submerged plants. The plant blanket is fixed with stones in the area where the depth of the wat...

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Abstract

The invention belongs to the technical field of ecological restoration and particularly relates to a water body ecological restoration method. The water body ecological restoration method comprises the steps that the water surface is cleaned, then submerged plants, emergent aquatic plants and floating-leaved plants are planted, and aquatic animals are put in. According to the water body ecological restoration method, sludge at the water bottom is treated with a plant blanket in-situ coverage method, root systems of the emergent aquatic plants are fixed with pollution-free clay, and a putting-in type planting method is adopted for the floating-leaved plants and the emergent aquatic plants. The aqueous plants can provide an adhesion symbiotic space for microorganisms, and provide a food source for aqueous animals, fish and shellfish are put in when the aquatic plants grow stably, and a rapid and simple water body forest system is formed. By means of the water body ecological restoration method, the effects of fixing sludge at the water bottom, restoring the natural ecological environment and maintaining the water to be clear permanently can be achieved; meanwhile, a dwelling site can be provided for fish and birds, and certain river landscape can be formed.

Description

technical field [0001] The invention belongs to the technical field of ecological restoration, and in particular relates to a water body ecological restoration method. Background technique [0002] At present, about 50% of my country's urban rivers are polluted to varying degrees. Due to the impact of human activities, more and more pollutants enter the water environment. When pollutants accumulate in the water to a certain limit, the water - aquatic The plant-aquatic animal system produces serious harm and may directly or indirectly affect human health through the food chain. [0003] The restoration of polluted water bodies is an arduous project. It is common in rivers and rivers in urban areas. Due to the discharge of various domestic sewage and the lack of self-purification ability of rivers, black and smelly river water is often seen. Serious eutrophication and other problems. Physical and chemical restoration not only requires huge investment but also treats the sympt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/32
CPCC02F3/327Y02W10/10
Inventor 陈平刘乐婷刘雯刘小冬王小君
Owner ZHONGKAI UNIV OF AGRI & ENG
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