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System and method for repairing soil by rivers

A technology for repairing soil and rivers, which is applied in the system field of using rivers to repair soil, can solve the problems of environmental pollution, complicated operation, high cost, etc., and achieve the effect of making full use of resources, beautifying the environment, and low cost

Active Publication Date: 2020-12-29
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to solve the problem of high cost, complex operation and environmental pollution caused by fly ash and coal gangue in traditional soil restoration. Low

Method used

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  • System and method for repairing soil by rivers

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Experimental program
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Effect test

Embodiment 1

[0044] Such as figure 1 Shown is a system for remediating soil by using rivers, remediating soil polluted by organic matter, including high-level water channel 1, distribution channel 2, repairing inclined bed 3, filter wall 4, filtrate treatment channel 5, wetland plant channel 6, water pumps, water pipes and Riverbed7.

[0045] The elevated water channel 1 is located at the uppermost part of the river bank and is arranged parallel to the river channel. The canal body of the high-level water channel 1 is made of concrete and environmentally friendly bricks, and there is a cover plate on it. The bottom of the high-level water channel 1 is provided with a slope inclined to the center of the river to reduce soil deposition. The lower end of the slope is provided with drainage outlets every three meters. A water level adjustment plate is placed on the mouth; further, a number of water inlets are provided on the upper part of the high-level water channel 1 to receive the river wa...

Embodiment 2

[0067] A system for repairing soil by using rivers to repair soil compounded with organic matter and heavy metals. The difference from Example 1 is that the filtrate treatment channel 5 is also provided with an adsorption hanging basket, and the hanging basket is filled with adsorbents. On the shell of the hanging basket There are holes. The adsorbent is activated carbon.

[0068] The method of soil remediation using the above-mentioned system of using rivers to remediate soil is as follows:

[0069] ① Use water pumps and water pipes to pump the water from the river bed 7 into the high-level canal 1, and the water from the high-level canal 1 enters the distribution canal 2 through the outlet. After the water enters the water distribution channel 2, the liquid medicine adding distributor adds ammonia water to increase soil fertility, and adds soil chelating agent ethylenediaminetetraacetic acid.

[0070] ②The water in the distribution channel 2 enters the repaired slanted bed...

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Abstract

The invention discloses a system and method for remediating soil by using rivers and belongs to the technical field of soil remediation. The system comprises a high-position water channel, a water distribution channel, a restoration inclined bed, a filter wall, a filtrate treatment channel, a wetland plant channel, a water pump, a water pipe and a riverbed. A river beach and the riverbed of the river are transformed into a soil remediation device, construction is easy and convenient, cost is low, management is convenient, and the environment is beautified. Polluted soil, coal gangue and fly ash are used as raw materials, a sintering process is adopted to prepare the environment-friendly brick, toxic and harmful substances are solidified in a solidified body in the sintering process, and after sintering and solidification, the leaching rate of heavy metal is far lower than the national standard; therefore, sintering resource utilization is carried out on the polluted soil, the coal gangue and the coal ash, harm of the polluted soil, the coal gangue and the coal ash to the environment can be avoided, resources can be fully utilized, and waste is turned into wealth.

Description

technical field [0001] The invention relates to the technical field of soil remediation, in particular to a system and method for remediating soil by using rivers. Background technique [0002] In recent years, the problem of soil pollution has become increasingly serious. The heavy metals and organic matter in the soil are transformed between various forms in the environment, which has an impact and harm on organisms and humans. Countries around the world have begun to realize the seriousness of soil pollution, and have carried out research on the mechanism and technology related to soil remediation. [0003] The methods of soil pollution control mainly include physical method, chemical method, ecological restoration method and electrodynamic method. Each method has advantages and strengths, but also has shortcomings and defects. Electric restoration technology has the advantages of little impact on the site environment, energy saving, economical feasibility, and good trea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/00E02B3/12E02B5/00E02D3/00C02F9/14B28B1/14B28C3/00
CPCB09C1/105E02D3/00E02B3/12E02B5/00C02F9/00B28C3/00B28B1/14C02F1/001C02F3/02C02F1/28C02F3/32C02F3/34C02F7/00C02F2303/16
Inventor 万玉山徐成栋王安慰翟娟
Owner CHANGZHOU UNIV
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