Converting paper mill sludge into neutral lipids by oleaginous yeast Cryptococcus vishniaccii for biodiesel production

被引：74
作者：
Deeba, Farha [1 ]
Pruthi, Vikas [2 ]
Negi, Yuvraj S. [1 ]
机构：
[1] Indian Inst Technol Roorkee, Dept Polymer & Proc Engn, Saharanpur Campus, Saharanpur 247001, India
[2] Indian Inst Technol Roorkee, Dept Biotechnol, Roorkee 247667, Uttarakhand, India
来源：
BIORESOURCE TECHNOLOGY | 2016年 / 213卷
关键词：
Cryptococcus vishniaccii; Triacylglycerides; Paper mill sludge; Nile red; Biodiesel; RHODOSPORIDIUM-TORULOIDES; WASTE-WATER; FERMENTATION; ACCUMULATION; HYDROLYSATE; CULTIVATION; EXTRACTION; FEEDSTOCK; CURVATUS; FRACTION;
D O I：
10.1016/j.biortech.2016.02.105
中图分类号：
S2 [农业工程];
学科分类号：
0828 ;
摘要：
Paper mill sludge (PMS) was assessed as cheap renewable lignocellulosic biomass for lipid production by the oleaginous yeast Cryptococcus vishniaccii (MTCC 232). The sonicated paper mill sludge extract (PMSE) exhibited enhanced lipid yield and lipid content 7.8 +/- 0.57 g/l, 53.40% in comparison to 5.5 +/- 0.8 g/l, 40.44% glucose synthetic medium, respectively. The accumulated triglycerides (TAG) inside the lipid droplets (LDs) were converted to biodiesel by transesterification and thoroughly characterized using GC-MS technique. The fatty acid methyl ester (FAME) profile obtained reveals elevated content of oleic acid followed by palmitic acid, linoleic acid and stearic acid with improved oxidative stability related to biodiesel quality. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：96 / 102
页数：7
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