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首页> 外文会议>International Conference on Remediation of Chlorinated and Recalcitrant Compounds >Tracking Microbial Populations during Enhanced In Situ Bioremediation of a Fractured-Bedrock Site Contaminated with Chloroethenes(ABSTRACT)
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Tracking Microbial Populations during Enhanced In Situ Bioremediation of a Fractured-Bedrock Site Contaminated with Chloroethenes(ABSTRACT)

机译：在用氯乙烯污染的裂缝碎石位点的原位生物修复期间跟踪微生物种群（摘要）

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摘要

A trichloroethene (TCE)-contaminated site, located in Southern Ontario, and characterized by fractured bedrock and low annual groundwater (GW) temperatures was investigated. The abundance of the microbial populations relevant to dechlorination prior to and following enhanced in situ biostimulation and bioaugmentation was monitored. The success of bioremediation using a commercial dechlorinating consortium (KB-1~R) has previously been shown in many GW environments; however, there is a lack of information regarding the effectiveness of this technique in fractured bedrock and colder GW temperatures (<12°C). Fractured bedrock yields complex GW flow patterns, and can be a very challenging medium for bioremediation. Furthermore, the contribution of organisms other than dechlorinators (both native and introduced) to dechlorination is rarely tracked in field-scale studies.
机译：研究了位于安大略省南部的三氯乙烯（TCE） - 含有碎屑和低年度地下水（GW）温度的特征。监测与原位生物致致刺激和生物抑制后和后期脱氯相关的微生物群体的丰富。使用商业脱氯联盟（KB-1〜R）的生物修复的成功先前已在许多GW环境中显示;然而，缺乏有关该技术在裂缝基岩和较冷的GW温度（<12°C）中的有效性的信息。破碎的基岩产生复杂的GW流动模式，并且可以是生物化的非常具有挑战性的培养基。此外，在现场规模研究中很少追踪脱氯剂以外的生物体（天然和引入的）以脱氯的贡献。

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