Engineered Anaerobic Biooxidation at Two Manufactured Gas Plant Sites

机译：在两个制造的煤气厂部位工程化厌氧生物氧化

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Background/Objectives. Biological oxidation of dissolved-phase petroleum hydrocarbons (including MGP-related impacts) occurs naturally or via engineered applications when suitable microbial populations and geochemical conditions are present in the aquifer. During biooxidation, microorganisms utilize hydrocarbons as the electron donor in the presence of available electron acceptors. Aerobic treatment mechanisms are thermodynamically favored but are limited by the low solubility of oxygen in groundwater and the rapid consumption of oxygen by competing scavengers. Anaerobic treatment mechanisms that utilize sulfate and/or nitrate can be particularly advantageous due to their high solubility in groundwater, natural abundance in the subsurface, and lack of natural sinks or scavengers.

机译：背景/目标。当适当的微生物群体和地球化学条件存在于含水层中时，溶解相石油烃（包括MGP相关影响）的生物氧化发生或通过工程学应用。在生物氧化期间，在可用电子受体存在下，微生物利用烃作为电子给体。有氧治疗机制热力学偏爱，但受到地下水中氧气的溶解度低的限制，并通过竞争清除剂快速消耗氧气。利用硫酸盐和/或硝酸盐的厌氧处理机制可能是特别有利的，因为它们在地下水中的高溶解度，天然丰富，以及缺乏自然水槽或清除剂。

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《International Conference on Remediation of Chlorinated and Recalcitrant Compounds》|2014年|1 CD-ROM|共2页
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Randall Sillan; Heather Stevens; Robert Ferree;
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中图分类植物学;
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Engineered Anaerobic Biooxidation at Two Manufactured Gas Plant Sites

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