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Multiple combined repairing system and method for arsenious organism in soil

A technology for joint repair and repair system, applied in the field of multiple joint repair systems, can solve problems such as failure to meet processing standards

Active Publication Date: 2014-03-19
NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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  • Abstract
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Problems solved by technology

However, the microwave method can produce obvious effects on volatile organic compounds and easily decomposable organic compounds, but it cannot meet the treatment standards for non-volatile and difficult-to-decompose arsenic-containing organic compounds.

Method used

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  • Multiple combined repairing system and method for arsenious organism in soil

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Embodiment Construction

[0027] The present invention provides a multiple joint remediation system and method for arsenic-containing organic matter in soil. The present invention will be further described below with reference to the drawings and specific embodiments.

[0028] The system is like figure 1 As shown, it consists of a microwave repair system, a chemical oxidation system and a phytoremediation system.

[0029] The microwave repair system consists of: a microwave generator 2 is suspended above the soil contamination zone 10, and several radiators 4 are connected to the side of the microwave generator 2 facing the soil; a microwave heating device 1 is set above the microwave generator 2 , And set up an air gathering shed 3 to cover the microwave heating device 1, microwave generator 2 and soil pollution zone 10. The air gathering shed 3 is connected to the waste gas treatment device 12 through a pipe; the soil pollution zone 10 is scattered with microwave absorbing materials 13, A number of tempe...

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Abstract

The invention belongs to the technical field of environmental protection, and particularly relates to a multiple combined repairing system and a multiple combined repairing method for arsenious organism in the soil. The repairing system consists of a microwave repairing system, a chemical oxidation system and a plant repairing system; the microwave repairing system is used for heating the to-be-repaired soil, collecting gas generated by volatile organisms and injecting oxidant into the soil so as to enable the arsenious organism to have oxidation reaction under the microwave catalysis, the trivalent arsenic is oxidized into pentavalent arsenic, then the pentavalent arsenic is enriched by planting hyperaccumulator, pteris vittata, and the microwave repairing system and the plant repairing system are alternately operated. The microwave repairing method is combined with the chemical oxidation method to intermittently and alternately repair the soil in combination with plant repair, so that the arsenious organism in the soil can be effectively and further treated.

Description

Technical field [0001] The invention belongs to the technical field of environmental protection, and particularly relates to a multiple joint repair system and method for arsenic-containing organic matter in soil. Background technique [0002] The soil environment is one of the basic elements that constitute the ecosystem, and it is the basis for the survival and development of human beings and organisms. The soil environment not only directly affects the development of the national economy and the security of land resources and the environment, but also has a bearing on the safety of agricultural products and human health. Organic arsenic is an important ingredient that causes soil pollution. In recent years, endemic arsenic poisoning caused by arsenic pollution has spread all over the world. The source of arsenic pollution is not only chemical and agricultural production, but also from chemical weapons abandoned by Japan after World War II. The pollution caused. Investigations...

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/00B09C1/06B09C1/08B09C1/10
Inventor 何理李小萌卢宏玮李晶申婧
Owner NORTH CHINA ELECTRIC POWER UNIV (BAODING)
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