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四氯乙烯(PCE)厌氧生物修复的国外研究进展 被引量:5

Progress on Tetrachloroethylene (PCE) Anaerobic Bioremediation
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摘要 四氯乙烯(PCE)在工业上广泛使用和不合理的处置,已经成为地下水中普遍存在的有毒有害有机污染物,同时PCE也是世界上公认的“三致”(致癌、致畸、致突变)化合物。目前PCE的地下水生物修复研究已成为国内外专家学者日益关注的研究热点问题。本文论述了PCE的去除的方法,包括物理、化学、生物方法,及其去除的机理;论述了厌氧降解PCE微生物种类和PCE降解动力学的研究进展。同时还对PCE基因工程菌构建,厌氧共代谢基质以及地下水的生物修复等方面进行了综述,以期对地下水中PCE的生物修复有一个全面的认识,对地下水PCE的生物修复提供科学的证据,为保障地下水饮用安全提供技术保障。 PCE, a wide used and often reasonless discarded compound, have been the most ubiquitous contaminant m environment. PCE is a carcinogenic compound. So far, studies on making PCE harmless have been concemed. The paper discussed PCE bioremediafion on degradation mechanism, microorganism species and degradation kinetics, expecting to have a full understanding on PCE biodegradafion.
出处 《中国沼气》 2006年第2期16-20,24,共6页 China Biogas
基金 国家自然科学基金项目(40102027 50578151) 北京市自然科学基金项目(8052017)
关键词 生物修复 四氯乙烯(PCE) 降解机理 降解动力学 微生物种类 bioremediation tetrachloroethylene degradation mechanism degradation kinetics
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