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DOI | 10.1016/j.watres.2015.09.024 |
Anaerobic biodegradation of soybean biodiesel and diesel blends under methanogenic conditions | |
Wu, Shuyun1; Yassine, Mohamad H.2; Suidan, Makram T.3; Venosa, Albert D.4 | |
发表日期 | 2015-12-15 |
ISSN | 0043-1354 |
卷号 | 87页码:395-402 |
英文摘要 | Biotransformation of soybean biodiesel and the inhibitory effect of petrodiesel were studied under methanogenic conditions. Biodiesel removal efficiency of more than 95% was achieved in a chemostat with influent biodiesel concentrations up to 2.45 g/L. The kinetics of anaerobic biodegradation of soybean biodiesel B100 (biodiesel only) with different petrodiesel loads was studied using biomass pre-acclimated to B100 and B80 (80% biodiesel and 20% petrodiesel). The results indicated that the biodiesel fraction of the blend could be effectively biodegraded, whereas petrodiesel was not biodegraded at all under methanogenic conditions. The presence of petrodiesel in blends with biodiesel had a greater inhibitory effect on the rate of biodegradation than the biodegradation efficiency (defined as the efficiency of methane production). Both the biodegradation rate coefficient and the methane production efficiency increased almost linearly with the increasing fraction of biodiesel. With the increasing fraction of petrodiesel, the biodegradation rate and efficiency were correlated with the concentration of soluble FAMEs in the water. (C) 2015 Elsevier Ltd. All rights reserved. |
英文关键词 | Biodiesel;Anaerobic biodegradation kinetics;Petrodiesel;Inhibition |
语种 | 英语 |
WOS记录号 | WOS:000367413000041 |
来源期刊 | WATER RESEARCH |
来源机构 | 美国环保署 |
文献类型 | 期刊论文 |
条目标识符 | http://gcip.llas.ac.cn/handle/2XKMVOVA/60318 |
作者单位 | 1.Univ Cincinnati, Dept Biomed Chem & Environm Engn, Cincinnati, OH 45220 USA; 2.Gulf Univ Sci & Technol, Coll Arts & Sci, Dept Math & Nat Sci, Hawally 32093, Kuwait; 3.Amer Univ Beirut, Fac Engn & Architecture, Beirut 11072020, Lebanon; 4.US EPA, Natl Risk Management Res Lab, Cincinnati, OH 45268 USA |
推荐引用方式 GB/T 7714 | Wu, Shuyun,Yassine, Mohamad H.,Suidan, Makram T.,et al. Anaerobic biodegradation of soybean biodiesel and diesel blends under methanogenic conditions[J]. 美国环保署,2015,87:395-402. |
APA | Wu, Shuyun,Yassine, Mohamad H.,Suidan, Makram T.,&Venosa, Albert D..(2015).Anaerobic biodegradation of soybean biodiesel and diesel blends under methanogenic conditions.WATER RESEARCH,87,395-402. |
MLA | Wu, Shuyun,et al."Anaerobic biodegradation of soybean biodiesel and diesel blends under methanogenic conditions".WATER RESEARCH 87(2015):395-402. |
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