Biological method for improving transparency of closed type small and micro water body

A transparent and closed water technology, applied in chemical instruments and methods, biological water/sewage treatment, water/sludge/sewage treatment, etc., can solve problems such as secondary pollution, waste of water resources, easy re-blackening and re-odor

Pending Publication Date: 2021-09-10
HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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Problems solved by technology

[0005] The purpose of the present invention is to provide a bioremediation method for improving the transparency of closed micro-water bodies, so as to solve the secondary pollution caused by

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  • Biological method for improving transparency of closed type small and micro water body

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[0019] The technical solution of the present invention will be specifically described below in conjunction with the implementation examples of the present invention, and the final results of the scheme will be explained, but the described implementation examples are only partial implementation examples of the present invention. Other implementation examples based on the technical solutions in the present invention without creative changes all fall within the protection scope of the present invention.

[0020] Implementation Example 1

[0021] An ecological restoration method for closed small and micro water bodies. The specific steps include the exploration of the bottom of the pollution source, the investigation of the density of the species of native animals and plants, the removal of the native animals and plants, the reduction of turbidity in the water body, the planting of submerged plants and the addition of snails, and finally the recovery of mussels. , replant ornament...

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Abstract

The invention discloses a bioremediation method for improving the transparency of a closed type small and micro water body, and particularly relates to the technical field of ecological remediation. The method comprises the following specific steps: 1, reducing the density of fishes in the water body, and reducing or removing native plants; 2, adding clams and potamogeton crispus stone buds to carry out turbidity reduction treatment on the water body; 3, recycling part of clams through a floating type ecological treatment device, and adding snails at the same time; 4, planting dwarf vallisneria natans; and 5, potting a small number of ornamental floating-leaved plants, and adding silver carp and bighead carp to improve the attractiveness of the water body. The water body is subjected to rapid turbidity reduction by using specific biological species and addition modes, and meanwhile, a stable and attractive ecological system is constructed according to the characteristics of the closed small water body, so that the pollution of chemical agents to the water body is avoided, the restoration speed of the transparency of the water body can be ensured, and meanwhile, the long-term clarity of the water body after the water body is restored is ensured.

Description

technical field [0001] The invention discloses a biological method for improving the transparency of closed micro-water bodies, and specifically belongs to the technical field of ecological restoration. Background technique [0002] Closed small and micro water bodies mainly refer to ponds and artificial lakes that are formed naturally or artificially. At present, the water quality of most closed water bodies has reached the standard of surface water level V or above, but some water bodies still have high concentrations of suspended solids and low transparency. In this type of water body, sunlight cannot penetrate into the bottom of the water, and aquatic plants cannot grow, which seriously affects residents' perception of this type of water body. [0003] Biosorption is currently a commonly used method to improve the transparency of water bodies. Generally, benthic animals such as snails and mussels are put in to improve the transparency of water bodies, and then submerged ...

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Application Information

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IPC IPC(8): C02F3/32
CPCC02F3/327
Inventor 董文艺王宏杰杨墨陈冬冬王耀武
Owner HARBIN INST OF TECH SHENZHEN GRADUATE SCHOOL
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