Using vertical circulation wells for partitioning tracer tests and remediation of DNAPLs 期刊名称： Ground Water Monitoring and Remediation
白宫风云下载贫煤作者： L. Chen,R. C. Knox亚马逊运营培训
angel年份： 2010年
男生英语名字
疯狂英语下载期号： 第3期
关键词： environmental sciences;remedial action;injection wells;chlorinated
ability是什么意思aliphatic hydrocarbons;technology asssment;tracer techniques;ground water
摘要：Two different vertical circulation well (VCW) systems (Type A and Type B) were ud to detect and subquently remove tetrachloro-ethylene (PCE) spilled in a three-dimensional sand tank. The Type A system has one injection interval and one extraction interval. The Type B system has two injection intervals parated by an intermediate extraction interval. PCE was detected through partitioning tracer tests using ethanol and 2,2-dimethyl-3-pentanol as the non-partitioning and partitioni
ng tracers, respectively. The concentration breakthrough curves for the tracers exhibited significant chromatographic paration due to partitioning of the 2,2-dimethyl-3-pentanol into the PCE. Becau of the unique streamline distribution generated by the VCW systems, injected solutions did not sweep through the entire contaminated pore volume,
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