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首页> 外文期刊>Journal of Environmental Science and Health. A, Toxic/Hazardous Substances & Environmental Engineering >Electromigration of microbial electron acceptors and nutrients: (Ⅱ) Transport in groundwater
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Electromigration of microbial electron acceptors and nutrients: (Ⅱ) Transport in groundwater

机译:微生物电子受体和养分的电迁移:(Ⅱ)在地下水中的迁移

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摘要

Bioremediation in contaminated aquifers is often limited by the availability of microbial electron acceptors and nutrients. In this study, electromigration of the electron acceptor nitrate was assessed in sandy model soil mixed with groundwater from a contaminated site, and compared with previous results obtained in soil mixed with demineralized water. The specific nitrate transport rate in soil with groundwater at a voltage gradient of 2 V/cm and 0.5 g/L nitrate was 1.64 cm/h, and proved to be higher than in demineralized water (1.13 cm/h). The application of electrokinetic transport is a promising approach to enhance mass transfer in groundwater systems.
机译:受到污染的含水层中的生物修复通常受到微生物电子受体和营养素可用性的限制。在这项研究中,评估了在受污染地点与地下水混合的沙质模型土壤中电子受体硝酸盐的电迁移,并将其与先前与去离子水混合的土壤中获得的结果进行了比较。在2 V / cm的电压梯度和0.5 g / L硝酸盐的条件下,地下水中硝酸盐的比迁移速率为1.64 cm / h,并被证明高于去离子水(1.13 cm / h)。电动传输的应用是增强地下水系统中质量转移的一种有前途的方法。

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