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首页> 外文会议>International Conference on Groundwater Research, Jun 6-8, 2000, Copenhagen, Denmark >Analysis of substrates to support a halorespiration enhanced redox transition zone in chlorinated solvent impacted groundwater
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Analysis of substrates to support a halorespiration enhanced redox transition zone in chlorinated solvent impacted groundwater

机译：分析受氯溶剂影响的地下水中支持呼吸作用增强的氧化还原过渡区的底物

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摘要

The ability of three different polymeric organic materials (POMs) to create redox conditions favorable for reductive dechlorination was evaluated over a period of 70 days. Corn crop residue, unrefined chitin, and wood shavings were mixed with sand, packed into columns, and flushed with groundwater either once per day or once every other day. Extracted groundwater was evaluated for pH, methane, dissolved hydrogen, total organic carbon and volatile fatty acids (VFAs). Results show that for unrefined chitin and corn crop residue, anaerobic and nutrient-rich conditions (i.e. rich in VFAs) are created after 1 day and are sustained for more than 70 days.
机译：在70天内评估了三种不同的聚合有机材料（POM）创造有利于还原性脱氯的氧化还原条件的能力。将玉米农作物残留物，未精制的甲壳素和刨花与沙子混合，装在圆柱中，然后每天一次或隔天一次用地下水冲洗。评估提取的地下水的pH，甲烷，溶解氢，总有机碳和挥发性脂肪酸（VFA）。结果表明，对于未精制的几丁质和玉米作物残渣，在1天后会形成厌氧和富含营养的条件（即富含VFA），并持续70天以上。

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