Biobarrier stability lab-scale studies for treatment of hydrocarbon-contaminated groundwater

机译：生物屏障稳定性实验室规模的研究，用于处理碳氢化合物污染的地下水

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The stability of a laboratory-scale bioreactive barrier in the treatment of contaminated ground-water was evaluated over a 16 month operation. Simulated groundwater contained diesel as the source of total petroleum hydrocarbons (TPH), and selected metals, as found at a North-Quebec site. Two 5-L capacity barrier prototypes, packed with peat moss granules and inoculated, were operated at 10℃. The biobarrier showed a TPH removal efficiency varying between 70 and 97%, depending on the TPH load. Sorption of TPH onto peat contributed to the TPH removal; however microbial biodegradation was the ultimate mechanism of TPH removal as shown by the biomineralization of chemical models: over 62% for hexadecane and 88% for naphthalene. Biomass enriched relatively rapidly in hydrocarbon-degrading microbial populations.

机译：在16个月的手术过程中，评估了实验室规模的生物反应屏障在处理受污染的地下水中的稳定性。模拟的地下水包含柴油作为总石油碳氢化合物（TPH）的来源，以及某些金属，如在魁北克的一个站点发现的那样。两个装有泥炭藓颗粒并已接种的5升容量屏障原型在10℃下运行。生物屏障显示TPH去除效率介于70％和97％之间，具体取决于TPH负载。 TPH在泥炭上的吸附有助于TPH的去除；然而，微生物降解是TPH去除的最终机理，如化学模型的生物矿化所示：十六烷超过62％，萘超过88％。生物质在降解烃的微生物种群中相对较快地富集。

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《European Symposium on Environmental Biotechnology(ESEB 2004); 20040425-20040428; Oostende; BE》|2004年|P.255-259|共5页
会议地点 Oostende(BE);Oostende(BE)
作者
S.R. Guiot; R. Cimpoia; C. Rhofir; A. Peisajovich; G. Leclair;
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Environmental Bioengineering Group, Biotechnology Research Institute, National Research Council Canada, Montreal, Canada;

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原文格式 PDF
正文语种 eng
中图分类环境生物学;
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Biobarrier stability lab-scale studies for treatment of hydrocarbon-contaminated groundwater

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