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首页> 外文会议>Sixth International in Situ and On-Site Bioremediation Symposium, 6th, Jun 4-7, 2001, San Diego, California >BIOREMEDIATION OF MTBE THROUGH AEROBIC BIODEGRADATION AND COMETABOLISM
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BIOREMEDIATION OF MTBE THROUGH AEROBIC BIODEGRADATION AND COMETABOLISM

机译：通过好氧生物降解和代谢代谢对MTBE进行生物修复

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摘要

A laboratory-scale microcosm study was conducted to determine whether site-specific soil microbes could biodegrade methyl tert-butyl ether (MTBE) under anaerobic, aerobic, or cometabolic conditions. Microcosms were constructed using soils and groundwater from both the Department of Defense Housing Facility (DoDHF) Novato, California, and the naval Base Ventura County Port Hueneme (NBVC), California. Aerobic and cometabolic conditions were investigated with and without nitrate addition. Cometabolism was investigated using either propane or butane gas as a primary growth substrate. The laboratory results indicated that MTBE could be biodegraded under aerobic conditions at each site. Overall, cometabolic growth substrates did not enhance or stimulate MTBE biodegradation. Nitrate was required for cometabolic degradation, and anaerobic biodegradation was not observed. In situ bioremediation through aerobic air sparging appears to be a potential remediation treatment for consideration at the DoDHF Novato and NBVC PH sites.
机译：进行了实验室规模的微观研究，以确定特定地点的土壤微生物是否可以在厌氧，好氧或新陈代谢条件下生物降解甲基叔丁基醚（MTBE）。使用来自加利福尼亚州诺瓦托的国防部住房设施部（DoDHF）和加利福尼亚州海军基地文图拉县惠内姆港（NBVC）的土壤和地下水构造了微观世界。在添加和不添加硝酸盐的情况下研究了有氧和可代谢条件。使用丙烷或丁烷气作为主要生长底物，研究了新陈代谢。实验室结果表明，MTBE可以在有氧条件下在每个位置进行生物降解。总体而言，新陈代谢生长底物没有增强或刺激MTBE生物降解。硝酸需要用于代谢分解，并且未观察到厌氧生物降解。在DoDHF Novato和NBVC PH现场考虑通过有氧空气喷射进行原位生物修复似乎是一种潜在的修复方法。

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