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Chemical pollution land remediation method

A technology of site restoration and chemical engineering, applied in the field of environmental restoration, can solve problems such as few successful examples, and achieve the effects of improving the quality of the ecological environment, increasing the value of land use, and increasing the amount of land reserves

Inactive Publication Date: 2018-10-23
苏州市环科环保技术发展有限公司
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Problems solved by technology

[0004] So far, although the bioremediation technology of chemical polluted sites has been researched in China, there are not many examples of practical application and success

Method used

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Embodiment Construction

[0009] The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the embodiments of the present invention. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0010] Remediation method of chemical polluted site, (1) Bacterial colony construction, select the soil of the polluted site, prepare pollutant microbial culture medium, select and cultivate microbial strains that can effectively treat organic pollutants in the soil, and further screen the chemical polluted site The multi-bacteria combined with degrading bacteria, and the degrading strains were isolated and purified to construct a high-efficiency microbial flora that can co-ex...

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Abstract

The invention discloses a chemical pollution land remediation method which comprises the steps of (1) constructing a flora; (2) carrying out a simulation experiment; (3) optimizing conditions; and (4)carrying out ecological risk assessment. According to the chemical pollution land remediation method provided by the invention, a culture medium is prepared through selecting polluted soil, so that appropriate bacteria are screened out, and the microbial flora is constructed; then through the simulation experiment, a remediation model is constructed; after corresponding data is acquired, the growth condition of the flora is optimized, and the influence of the microbial flora on a soil ecosystem is controlled through ecological risk assessment, so that through the moderate microbial remediation manner, chemical land pollutants are desorbed from the surfaces of soil particles and are then completely degraded; and meanwhile, the added chemical agent cannot cause secondary pollution on the soil. According to the chemical pollution land remediation method provided by the invention, the ecological environment quality of a chemical pollution land is effectively improved, the land reservationamount is improved, the land utilization value is improved, and a contribution is made for social sustainable development.

Description

technical field [0001] The invention relates to the technical field of environmental remediation, in particular to a method for remediating chemically polluted sites. Background technique [0002] With the development of industrialization and the deepening of urbanization, the pollution of soil environment in my country has been intensified, and the quality and safety problems of agricultural products and mass incidents caused by this have increased year by year. [0003] At present, there are many types of environmental remediation technologies that have been developed in the world, mainly divided into physical remediation methods (such as soil replacement method, thermal remediation method, vitrification technology, electrical remediation method, etc.), chemical remediation methods (leaching method, extraction method, etc.) etc.) and bioremediation methods (such as biological aeration, composting, land plowing, bioreactor, anaerobic treatment, etc.). Among them, bioremedia...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B09C1/10
CPCB09C1/10B09C2101/00
Inventor 郑家传
Owner 苏州市环科环保技术发展有限公司
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