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首页> 外文会议>International Conference on Remediation of Chlorinated and Recalcitrant Compounds >Biological In Situ Enhanced Reductive Dechlorination via Closed-Loop Groundwater Recirculation at a German Site(ABSTRACT)
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Biological In Situ Enhanced Reductive Dechlorination via Closed-Loop Groundwater Recirculation at a German Site(ABSTRACT)

机译：生物原位通过德国网站闭环地下水再循环增强还原脱氯（摘要）

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摘要

Chlorinated ethenes (primarily tetrachloroethene [PCE]) have been detected in groundwater beneath and downgradient of a former hydraulic pump manufacturing plant (Site) in the State of Hessen, Germany. A groundwater pump-and-treat (P&T) system operated at the Site over the past fifteen years has successfully reduced the size and strength of the area of impacted groundwater downgradient of the Site; however, the P&T system is not expected to remediate the on-site PCE source area in a reasonable timeframe. Biological enhanced in situ reductive dechlorination (ERD) has been identified as cost-effective alternative to P&T, and a prior ERD pilot test at the site found that ERD can successfully stimulate dechlorination of PCE to ethene. Given the ERD pilot test results, the regulatory authority (RP Darmstadt, Wiesbaden) approved phased implementation of a full-scale ERD system to treat the PCE source area and ultimately replace the P&T system. Termination of the P&T system is planned, pending successful performance of the Phase I ERD system.
机译：德国前液压泵制造厂（现场）的地下水下检测到氯化替代（主要是四氯乙烯[PCE]）。在过去的十五年内在现场操作的地下水泵和治疗（P＆T）系统成功地降低了该地区受影响的地下水下降区的尺寸和强度;但是，P＆T系统预计不会在合理的时间范围内修复现场PCE源区域。生物增强的原位还原脱氯（ERD）已被鉴定为P＆T的成本效益替代品，并且现场的先前ERD试验试验发现ERD可以成功地刺激PCE的脱氯至乙烯。鉴于ERD试点测试结果，监管机构（RP DARMSTADT，WIESBADEN）批准了分阶段实施全面的ERD系统，以治疗PCE源区，最终取代P＆T系统。计划，挂断P＆T系统，等待IS ERD系统的成功表现。

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