Biodiesel production from municipal secondary sludge

被引：56
|
作者：
Kumar, Manish [1 ]
Ghosh, Pooja [1 ]
Khosla, Khushboo [1 ]
Thakur, Indu Shekhar [1 ]
机构：
[1] Jawaharlal Nehru Univ, Sch Environm Sci, New Delhi 110067, India
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 216卷
关键词：
Secondary sludge; Fatty acid methyl esters (FAMEs); In situ transesterification; Biodiesel; Response surface methodology; OPTIMIZATION; EXTRACTION; BACTERIA; ESTERS;
D O I：
10.1016/j.biortech.2016.05.078
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
In the present study, feasibility of biodiesel production from freeze dried sewage sludge was studied and its yield was enhanced by optimization of the in situ transesterification conditions (temperature, catalyst and concentration of sludge solids). Optimized conditions (45 degrees C, 5% catalyst and 0.16 g/mL sludge solids) resulted in a 20.76 +/- 0.04% biodiesel yield. The purity of biodiesel was ascertained by GC-MS, FT-IR and NMR (H-1 and C-13) spectroscopy. The biodiesel profile obtained revealed the predominance of methyl esters of fatty acids such as oleic, palmitic, myristic, stearic, lauric, palmitoleic and linoleic acids indicating potential use of sludge as a biodiesel feedstock. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：165 / 171
页数：7
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