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Ecological isolation carpet for inhibiting release of sediment pollutants

A technology for ecological isolation and pollutants, applied in the field of environmental ecological governance, can solve the problems of underdeveloped economy, large manpower, material and financial resources, and difficulty in meeting standards, etc., and achieves low cost, simple production method, and good barrier effect.

Inactive Publication Date: 2018-08-10
BEIJING LVJINGXING TECH DEV CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Among the treatment technologies for polluted sediment, although the off-site treatment technology (such as sediment dredging) has quick results, the project is huge, which not only consumes a lot of manpower, material and financial resources, but also is difficult to meet the standard through sediment dredging.
Large-scale governance is more difficult to achieve in underdeveloped economies

Method used

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  • Ecological isolation carpet for inhibiting release of sediment pollutants
  • Ecological isolation carpet for inhibiting release of sediment pollutants
  • Ecological isolation carpet for inhibiting release of sediment pollutants

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] The making of embodiment 1 ecologically active pollution isolation blanket

[0035] The ecologically active pollution isolation blanket is made by the following two methods

[0036] method 1:

[0037] S1. Calculate the projected area of ​​river sediment;

[0038] S2. Cut the isolation blanket into the shape and size corresponding to the river sediment projection, and cut two identical isolation blankets;

[0039] S3. Sprinkle the water purifier evenly between the two layers of isolation blankets, and the amount of the water purifier depends on the pollution of the river to be treated;

[0040] S4. The ecologically active pollution isolation blanket can be prepared by sewing the sandwich-structure isolation blanket that has been sprinkled with the water purification agent.

[0041] Method 2:

[0042] S1. Calculate the projected area of ​​river sediment;

[0043] S2. Cut the isolation blanket into the shape and size corresponding to the projection of the river sedime...

Embodiment 2

[0047] Example 2 Experiment on the Effect of Ecological Isolation Blanket in Treating River Sediment

[0048] 2.1 Experimental equipment

[0049] Glass tank: refer to the current river channel shape, a specific system with a length of 1m, a width of 0.5m, and a height of 0.8m. There are 3 glass tanks. The wide side of each tank is 0.15m inward and the partition glass is added. The height is 0.7m and the bottom is 0.1m. . Number the glass cylinders, respectively 1#, 2#, 3#, 4#, 5#. (Such as figure 2 ); distilled water (analytical pure); geotextile; water purification agent (Aike blue water purification agent).

[0050] Experimental mud: Take the sludge within 0.3m deep of the bottom of the black and odorous river as the experimental mud sample, collect and transport it to the experimental site for sieving and mixing treatment, and distribute the evenly mixed bottom mud into the experimental water tank with a thickness of 30cm.

[0051] 2.2 Experimental processing settings ...

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Abstract

The invention discloses an ecological isolation carpet for inhibiting the release of sediment pollutants. The ecological isolation carpet comprises isolation carpet layers and a water purifying agentlayer; one or two isolation carpet layers are provided, and one water purifying agent layer is provided; and the content of the water purifying agent is 150 to 350 g / m<2>. The ecological isolation carpet is simple in structure, easy to product, low in cost, convenient in use and good in barrier effect; and the ecological isolation carpet can prevent the sediment pollutants of rivers and lakes frombeing released into the water and can also perform biologic treatment on the pollutants in water and sediment, thereby achieving a purpose of reducing the amount of sediment nutritive salts.

Description

technical field [0001] The invention relates to the technical field of environmental ecological management, in particular to an ecological isolation blanket used to suppress the release of sediment pollutants. Background technique [0002] With the rapid development of the economy, the water pollution of urban rivers, lakes and other water systems is becoming more and more serious, and the trend of nutrition is developing rapidly. Sediment is the sediment of rivers and lakes and is an important part of natural waters. When the water area is polluted, some pollutants in the water can be stored in the sediment through precipitation or particle adsorption, and released again under appropriate conditions, becoming a secondary pollution source. This pollution is called sediment pollution. [0003] At present, controlling sediment pollution has become an important task in water pollution control. Among the treatment technologies for contaminated sediment, off-site treatment tech...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F3/34C02F11/02
CPCC02F3/34C02F11/02C02F2103/007
Inventor 樊文李鹏武锁林卢海元王文佳
Owner BEIJING LVJINGXING TECH DEV CO LTD