Test device and test method based on electric remediation of polluted soil

A technology of polluted soil and test device, applied in the field of environmental geotechnical engineering, to achieve the effect of improving test efficiency, fast and efficient repair, and small size

Inactive Publication Date: 2019-07-12
CHONGQING UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although the electric restoration technology has made great progress, there are still many problems that need to be solved urgently, such as improving the efficiency of electric restoration, reducing the cost of electric restoration, reducing the secondary pollution to the environment, etc., which requires our further systematic research. At present, there is still a lack of devices for ex-situ electric remediation of polluted soil

Method used

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  • Test device and test method based on electric remediation of polluted soil
  • Test device and test method based on electric remediation of polluted soil
  • Test device and test method based on electric remediation of polluted soil

Examples

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Effect test

Embodiment 1

[0054] see Figure 1 to Figure 4 , this implementation discloses a test device based on electrokinetic remediation of polluted soil, including system I and system II.

[0055] The system I comprises a cathode chamber 1 , a soil chamber 2 , an anode chamber 3 , an anion exchange membrane 4 and a cation exchange membrane 5 .

[0056] The cathode chamber 1 is a container with an open upper end and a closed lower end. One side wall of the cathode chamber 1 is a porous plate I101. In this embodiment, the cathode chamber 1 is a rectangular box as a whole, and the rectangular box includes a bottom plate I and four side plates I. The four side panels 1 are marked as the first side panel, the second side panel, the third side panel and the fourth side panel in sequence. The first side plate, the second side plate and the fourth side plate are straight side plates 1. The third side plate is a perforated plate I101. The connection between the perforated plate I101 and its adjacent par...

Embodiment 2

[0073] see Figure 1 to Figure 4 , the present embodiment discloses a test method based on a test device for electric restoration of polluted soil, comprising the following steps:

[0074] 1) Make described cathode chamber 1, soil chamber 2 and anode chamber 3 by design size, wherein, the size of cathode chamber 1 and anode chamber 102 is 4cm * 6cm * 8cm, and the size of soil chamber 2 is 12cm * 6cm * 8cm . The cathode chamber 1, the soil chamber 2, the anode chamber 3, the anion exchange membrane 4, the cation exchange membrane 5 and the U-shaped leather pad 6 are assembled into a system I. Specifically, two U-shaped leather pad 6, put cation exchange membrane 5 in the middle of two U-shaped leather pads 6, put two U-shaped leather pads 6 between the anode chamber 3 and the soil chamber 2, put two U-shaped leather pads 6 in the middle Insert the anion exchange membrane 4, and fix the cathode chamber 1 and the soil chamber 2, the anode chamber 3 and the soil chamber 2 with b...

Embodiment 3

[0086] see Figure 1 to Figure 4 , the present embodiment discloses a test method based on a test device for electric restoration of polluted soil, comprising the following steps:

[0087] 1) Make described cathode chamber 1, soil chamber 2 and anode chamber 3 by design size, wherein, the size of cathode chamber 1 and anode chamber 102 is 4cm * 6cm * 8cm, and the size of soil chamber 2 is 12cm * 6cm * 8cm . The cathode chamber 1, the soil chamber 2, the anode chamber 3, the anion exchange membrane 4, the cation exchange membrane 5 and the U-shaped leather pad 6 are assembled into a system I. Specifically, two U-shaped leather pad 6, put cation exchange membrane 5 in the middle of two U-shaped leather pads 6, put two U-shaped leather pads 6 between the anode chamber 3 and the soil chamber 2, put two U-shaped leather pads 6 in the middle Insert the anion exchange membrane 4, and fix the cathode chamber 1 and the soil chamber 2, the anode chamber 3 and the soil chamber 2 with b...

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Abstract

The invention discloses a test device and a test method based on electric remediation of polluted soil. The test device comprises a system I and a system II, wherein the system I comprises a cathode chamber, an anode chamber, a soil chamber, an anion exchange membrane and a cation exchange membrane; the system II is formed by connecting a cathode plate fixed with a top cover of the cathode chamberand an anode plate fixed with the top cover of the anode chamber with a direct current power supply by wires; the cathode plate and the anode plate in the system I are put into the cathode chamber and the anode chamber; the system I and the system II form the whole test device; and the test method of the test device comprises steps of designing the device, configuring polluted soil, carrying outrepairing test, adjusting a single influencing factor, repeating the repairing test and the like. The test device is small in size, easy to carry, high in space utilization, and capable of simulatingvarious working conditions and improving the test efficiency.

Description

technical field [0001] The invention belongs to the technical field of environmental geotechnical engineering, and in particular relates to a test device and a test method for repairing polluted soil based on electrodynamics. Background technique [0002] With the aggravation of industrial and urban pollution and the increase in the types and quantities of agricultural chemicals, soil pollution is becoming more and more serious. If the environmental investigation, assessment, and treatment and restoration of polluted sites are not strengthened, the residual pollutants in the soil will affect the city and the living environment, and enter the human body through contact, breathing and other exposure routes, endangering human health. Therefore, the remediation of contaminated soil is of great significance to the protection of land resources and sustainable development. [0003] A large number of investigations and studies have shown that my country's soil pollution is serious,...

Claims

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Application Information

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IPC IPC(8): B09C1/08G01N27/00
CPCB09C1/085G01N27/00
Inventor 张延玲丁选明蒋春勇孙晓楠
Owner CHONGQING UNIV
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