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A self-produced electric upflow wetland contaminated soil remediation device and remediation method

A technology for polluted soil and wetland, which is applied in the field of self-produced upflow wetland contaminated soil remediation device, can solve the problems of low separation efficiency, long cycle, poor repair ability, etc., and achieve improved repair ability, simple structure, and good landscape effect Effect

Active Publication Date: 2020-01-14
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problems of poor repair ability, long period and low separation efficiency of the current wetland soil repair technology, and provide a self-produced electric upflow wetland contaminated soil repair device and repair method

Method used

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  • A self-produced electric upflow wetland contaminated soil remediation device and remediation method
  • A self-produced electric upflow wetland contaminated soil remediation device and remediation method

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Experimental program
Comparison scheme
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specific Embodiment approach 1

[0031] Specific implementation mode 1: This implementation mode records a self-produced electric upflow wetland contaminated soil remediation device, which includes a wetland pool body 1, a wetland water distribution system 2, an anaerobic charge collection area 3, a facultative charge regeneration Distribution reduction sedimentation area 4, circulating water discharge pipe 4-2, wetland plants 5, intermediate pool 6, circulating water pump 7 and polluted soil 8;

[0032] The wetland water distribution system 2 is arranged at the bottom of the wetland pool body 1, the anaerobic charge collection area 3 is located above the wetland water distribution system 2 in the wetland pool body 1, and the facultative charge redistribution reduction precipitation area 4 is located in the wetland pool body 1 and above the anaerobic charge collection area 3, the anaerobic charge collection area 3 and the facultative charge redistribution reduction precipitation area 4 are filled with polluted...

specific Embodiment approach 2

[0034] Embodiment 2: The self-produced electric upflow wetland contaminated soil remediation device described in Embodiment 1, the wetland pool body 1 is a rectangular pool body.

specific Embodiment approach 3

[0035] Specific embodiment three: a self-produced electric upflow wetland contaminated soil remediation device described in specific embodiment one, the wetland water distribution system 2 is connected horizontally and vertically with the water distribution main pipe 2-1 and the water distribution main pipe 2-1 A plurality of perforated cloth water branch pipes 2-2 are formed.

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Abstract

The invention relates to a self-electricity-generating flow rising wetland polluted soil remediation device and method, and belongs to the technical field of environmental protection soil remediation.The wetland polluted soil remediation comprises a wetland pool body, a wetland water distribution system, an anaerobic charge collection region, a facultative charge redistribution reduction precipitation region, a middle water pool and a circulating water pump; the wetland water distribution system is arranged at the bottom part in the wetland pool body; the anaerobic charge collection area is located on the wetland water distribution system in the wetland pool body; the facultative electric charge redistribution reduction precipitation area is located at the top part of the wetland pool body and located on the anaerobic charge collection area; and the middle water pool is independent from the outside of the wetland pool body, the middle water pool communicates with the wetland water distribution system through the circulating water pump, the middle water pool communicates with the top part of the wetland pool body through a circulating water discharge water pipe. According to the self-electricity-generating flow rising wetland polluted soil remediation device and method, heavy metal ions are used as electron acceptors to participate in a reduction reaction, so that the soil remediation efficiency is improved, a power supply does not need to be added, self-electricity generation and self-remediation are achieved, which are not provided for an existing wetland soil remediationtechnology.

Description

technical field [0001] The invention belongs to the technical field of soil restoration for environmental protection, and in particular relates to a self-produced electric upflow wetland polluted soil restoration device and restoration method. Background technique [0002] Wetland pollution control technology has become the preferred technology for pollution control, especially circulating water treatment, because of its advantages of good effect, low construction and operation costs, easy management, and good landscape performance. [0003] The principle of heavy metal ion contaminated soil remediation in wetlands: use the wetland matrix, microorganisms and plants as a composite ecosystem to perform physical, chemical and biological triple effects on soil pollutants, and achieve pollution through wetland soil filtration, adsorption, wetland plant absorption and decomposition, and wetland microbial degradation purify. Plant root flora and microorganisms in the wetland decom...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B09C1/08B09C1/10B09C1/02
CPCB09C1/02B09C1/085B09C1/10B09C2101/00Y02A40/22
Inventor 王丽王琳张恒超张浩
Owner HARBIN INST OF TECH