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Method for comprehensively improving quality of eutrophic water body

A technology for eutrophication and water bodies, which is applied in chemical instruments and methods, water/sewage treatment, biological water/sewage treatment, etc., and can solve the problems of difficulty in controlling the deterioration of eutrophication in water bodies and poor comprehensive treatment effect.

Inactive Publication Date: 2017-01-04
GUIZHOU NORMAL UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, when improving the water quality of the eutrophic water body in the reservoir bay, traditional treatment methods are often used. The deterioration trend of the eutrophication of the water body is difficult to control, and the comprehensive treatment effect is poor. Therefore, a comprehensive improvement of the eutrophic water quality to solve the above problems is studied. method, it is particularly necessary

Method used

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  • Method for comprehensively improving quality of eutrophic water body
  • Method for comprehensively improving quality of eutrophic water body
  • Method for comprehensively improving quality of eutrophic water body

Examples

Experimental program
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Effect test

Embodiment 1

[0119] A method for comprehensively improving the water quality of eutrophic water bodies, comprising the following steps:

[0120] S1. Pre-treatment: Clean up wild fish and weeds in the area;

[0121] S2. Water body segmentation: divide the water body by building enclosures; the enclosures are rectangular enclosures, and the upper part uses 0.8m 2 The floating body is wrapped with 1000g waxed canvas, the wall covering is high-density rubber-impregnated nylon cloth, the lower end is fixed in the bottom mud with gabions or iron chains, and the entire enclosure is pulled by ground anchors.

[0122] S3. Establishment of ecological floating bed: build an ecological floating bed in the enclosure; the ecological floating bed is made of polymer materials as a frame, half-submerged and floating on the surface of the water body, and heavy objects are set underwater for pulling and fixing. The floating bed includes 4 layers, of which the lower 3 Nitrification-denitrification-algae-inhi...

Embodiment 2

[0126] A method for comprehensively improving the water quality of eutrophic water bodies, comprising the following steps:

[0127] S1. Pre-treatment: Clean up wild fish and weeds in the area;

[0128] S2. Water body segmentation: divide the water body by building enclosures; the enclosures are rectangular enclosures, and the upper part uses 0.8m 2 The waxed canvas with a mass of 1000g wraps the floating body, the wall covering is high-density rubber-impregnated nylon cloth, the lower end is fixed in the bottom mud with gabions or iron chains, and the entire enclosure is pulled by ground anchors.

[0129] S3. Establishment of ecological floating bed: build an ecological floating bed in the enclosure; the ecological floating bed is made of polymer materials as a frame, half-submerged and floating on the surface of the water body, and heavy objects are set underwater for pulling and fixing. The floating bed includes 4 layers, of which the lower 3 Nitrification-denitrification-a...

Embodiment 3

[0133] A method for comprehensively improving the water quality of eutrophic water bodies, comprising the following steps:

[0134] S1. Pre-treatment: Clean up wild fish and weeds in the area;

[0135] S2. Water body segmentation: divide the water body by building enclosures; the enclosures are rectangular enclosures, and the upper part uses 0.8m 2 The waxed canvas with a mass of 1000g wraps the floating body, the wall covering is high-density rubber-impregnated nylon cloth, the lower end is fixed in the bottom mud with gabions or iron chains, and the entire enclosure is pulled by ground anchors.

[0136] S3. Establishment of ecological floating bed: build an ecological floating bed in the enclosure; the ecological floating bed is made of polymer materials as a frame, half-submerged and floating on the surface of the water body, and heavy objects are set underwater for pulling and fixing. The floating bed includes 4 layers, of which the lower 3 Nitrification-denitrification-a...

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Abstract

The invention discloses a method for comprehensively improving quality of an eutrophic water body. The method includes the following steps of early-stage processing, dividing the water body, constructing an ecological floating bed, arranging an artificial attachment medium and planting vegetation. According to the method for comprehensively improving quality of the eutrophic water body, the water body dividing technology, the ecological floating bed technology, the artificial attachment medium and the vegetation planting and recovering technology are comprehensively used, the composition of phytoplankton structure in the water body can be changed, the percentage of diatom is increased, the percentage of blue-green algae is reduced, the possibility of cyanobacterial bloom is reduced, the eutrophication trend of the water body is correspondingly inhibited, the eutrophication degree of the water body is reduced, and water quality condition is improved. By adopting the method, the concentration of chlorophyll and chemical oxygen consumption in the water body can be reduced, the content of total nitrogen and total phosphorus is reduced, the content of suspended solids in the water body is reduced, the transparency of the water body is improved, the eutrophication trend is inhibited, and the quality of the eutrophication water body is effectively improved.

Description

technical field [0001] The invention relates to a method for comprehensively improving the water quality of eutrophic water bodies, and specifically belongs to the technical field of water body treatment. Background technique [0002] At present, eutrophication has become the main environmental problem of global water bodies. Since the 1970s, many lakes and reservoirs in developed countries have begun to face serious eutrophication problems, and large-scale cyanobacteria blooms have occurred. The toxins produced directly affect the safety of drinking water in cities and towns, and the dead algae cells after the algae bloom will consume a large amount of dissolved oxygen in the water body, resulting in serious damage to the structure and function of the water ecosystem. The estuary is where non-point source pollution and point source pollution flow into the reservoir The more concentrated places are also areas where the degree of eutrophication and the frequency of algae bloo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F9/14C02F3/32C02F1/28C02F3/34
CPCC02F1/285C02F3/325C02F3/327C02F3/34C02F9/00C02F2103/007C02F2209/08C02F2209/10C02F2209/14C02F2209/16Y02W10/10
Inventor 李秋华陈丽丽陈峰峰张友春
Owner GUIZHOU NORMAL UNIVERSITY
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