Method for monitoring, preventing and treating groundwater pollution

A technology for groundwater pollution and polluted areas, which is applied in the fields of water pollutants, chemical instruments and methods, and the restoration of polluted soil. High efficiency and the effect of reducing governance costs

Inactive Publication Date: 2017-11-24
红河绿地环保科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0006] (1) The repair time is long, and the ecological technology based on phytoremediation usually takes a long time; (2) The use time is short, and the repair method based on adsorption, the effect will drop sharply when adsorption saturation and blockage occu

Method used

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  • Method for monitoring, preventing and treating groundwater pollution
  • Method for monitoring, preventing and treating groundwater pollution
  • Method for monitoring, preventing and treating groundwater pollution

Examples

Experimental program
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Effect test

Embodiment 1

[0028] (1) Use a Wenner device to lay out a grid-shaped measuring line in the polluted area according to the high-density resistance method. The side length of the grid is 20m. is 0.2, use the Wenner device to measure the data, determine the abnormal range of resistivity and find the pollution area 1 through data comparison.

[0029] (2) Use the Wenner device to monitor the polluted area by three-dimensional wiring according to the high-density electrical resistance method. The monitoring range covers a depth of 15m underground, and the three-dimensional space distribution of the leachate is determined at an interval of 5m, and the heavy metal-contaminated seepage flow direction C is predicted.

[0030] (3) According to the three-dimensional model to simulate the geological and landform characteristics of area C, use the GPS satellite locator and tape measure to calibrate the predicted seepage location. When the three-dimensional geological simulation shows that the vertical de...

Embodiment 2

[0037] (1) Use the Wenner device to lay out grid-shaped measuring lines in the mining area according to the high-density resistance method. The grid side length is 20m, and the measuring line electrodes are vertically inserted into the soil. The depth is not less than 2 / 3 of the electrode length, and the pole distance is 0.3, use the Wenner device to measure the data, determine the abnormal range of resistivity and find the polluted area through data comparison.

[0038] (2) Use the Wenner device to monitor the polluted area by three-dimensional wiring according to the high-density electrical resistance method. The monitoring range covers a depth of 15m underground, and the three-dimensional space distribution of the leachate is determined at an interval of 5m, and the heavy metal-contaminated seepage flow direction C is predicted.

[0039] (3) According to the three-dimensional model to simulate the geological and landform characteristics of area C, use the GPS satellite locat...

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Abstract

The invention relates to a method for monitoring, preventing and treating groundwater pollution, and belongs to the technical field of treatment of soil and groundwater pollution. According to the method, a three-dimensional spatial distribution of percolate in a monitoring region is quickly determined through a high-density resistivity method, and the flowing direction of the percolate is forecast; and a collection well which has a corresponding depth is arranged at the downstream and is used to collect the percolate, and the percolate is pumped to the ground surface for storage, and then is purified. The method has the advantages that the distribution condition and the migration orientation of heavy metal pollutants in soil in the monitoring region can be mastered in real time, and the influence of terrain is little; the prevention and treatment range covers the whole monitoring region and the deep underground part of the monitoring region; and the collection and treatment operation for the percolate is convenient and continuous, so that the prevention and treatment cost of a large-sized polluted region is substantially reduced.

Description

technical field [0001] The invention belongs to the technical field of soil and groundwater pollution control, and in particular relates to a method for monitoring and preventing groundwater pollution. Background technique [0002] The polluted soil in the heavy metal mining area is not only the receptor of pollutants such as mining wastewater and waste residue, but also the source of pollution in the surrounding areas. Soil seepage brought by precipitation will lead to the spread of pollution to the surrounding areas and underground, and bring harm to the soil and water ecological environment around the mining area. Soluble metal ions and compounds in polluted soil will eventually enter water bodies, thereby affecting the safety of food and drinking water in a larger area. In recent years, a large number of heavy metal mining areas in my country have stopped mining, and a large number of heavy metal-contaminated soils have emerged, especially large-scale mining areas, whic...

Claims

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Application Information

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IPC IPC(8): C02F1/00B09C1/00C02F103/06C02F101/20
CPCB09C1/002C02F1/008C02F2101/20C02F2103/06C02F2209/001
Inventor 王少龙谢益民谢容生朱永强张梦影韦加柱谭志敏张福靖吴开武杨鼐
Owner 红河绿地环保科技发展有限公司
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