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镉污染土壤的微生物修复技术研究进展
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摘要
随着工农业的发展,镉污染日益严重,对于镉污染的治理已成为国内外的研究热点。目前镉污染的治理方法有物理、化学、生物和农业生态修复等方法。微生物法因其简单快速、成本低等优点得到越来越多的重视。本文重点阐述了微生物法修复污染土壤的内在机理,重点探讨了微生物对镉的溶解、转化和固定作用,并指出了这一领域日后的研究方向,希望能为以后的研究提供参考依据。
With the development of industry and agriculture,the heavy metal Cadmium is becoming increasingly serious.In current,the field of harness of pollution by cadmium has been a focus of attention.There are physical, chemical treatment measures,agro-ecology restoration measures and bioremediation technology etc.microbial remediation has the advantages of simpler,faster and lowercost.In this paper,the research processes of microbial remediation of soil restoration contaminated by cadmium was emphasized,following with the introduction about principles and mechanisms of microbial from the aspect of dissolution, transformation and fixed action,to providing a theoretical basis for the bioremediation of the environment contaminated by heavy metal cadmium.
引文
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