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Bioconversion of barley straw lignin into biodiesel using Rhodococcus sp. YHY01
被引:64
作者:
Bhatia, Shashi Kant
[1
,2
]
Gurav, Ranjit
[1
]
Choi, Tae-Rim
[1
]
Han, Yeong Hoon
[1
]
Park, Ye-Lim
[1
]
Park, Jun Young
[1
]
Jung, Hye-Rim
[1
]
Yang, Soo-Yeon
[1
]
Song, Hun-Suk
[1
]
Kim, Sang-Hyoun
[3
]
Choi, Kwon-Young
[4
]
Yang, Yung-Hun
[1
,2
]
机构:
[1] Konkuk Univ, Coll Engn, Dept Biol Engn, Seoul, South Korea
[2] Konkuk Univ, Inst Ubiquitous Informat Technol & Applicat CBRU, Seoul, South Korea
[3] Yonsei Univ, Sch Civil & Environm Engn, Seoul, South Korea
[4] Ajou Univ, Dept Environm Engn, Suwon, Gyeonggi Do, South Korea
基金:
新加坡国家研究基金会;
关键词:
Aromatic compounds;
Biodiesel;
Biomass;
Barley straw;
Lignin;
Rhodococcus;
PALM BIOMASS HYDROLYSATE;
STREPTOMYCES-COELICOLOR;
PHENOLIC-COMPOUNDS;
KRAFT LIGNIN;
PRETREATMENT;
CONVERSION;
OPACUS;
CELLULASE;
D O I:
10.1016/j.biortech.2019.121704
中图分类号:
S2 [农业工程];
学科分类号:
0828 ;
摘要:
Rhodococcus sp. YHY01 was studied to utilize various lignin derived aromatic compounds. It was able to utilize p-coumaric acid, cresol, and 2,6 dimethoxyphenol and resulted in biomass production i.e. 0.38 g dcw/L, 0.25 g dcw/L and 0.1 g dcw/L, and lipid accumulation i.e. 49%, 40%, 30%, respectively. The half maximal inhibitory concentration (IC50) value for p-coumaric acid (13.4 mM), cresol (7.9 mM), and 2,6 dimethoxyphenol (3.4 mM) was analyzed. Dimethyl sulfoxide (DMSO) solubilized barley straw lignin fraction was used as a carbon source for Rhodococcus sp. YHY01 and resulted in 0.130 g dcw/L with 39% w/w lipid accumulation. Major fatty acids were palmitic acid (C16:0) 51.87%, palmitoleic acid (C16:1) 14.90%, and oleic acid (C18:1) 13.76%, respectively. Properties of biodiesel produced from barley straw lignin were as iodine value (IV) 27.25, cetane number (CN) 65.57, cold filter plugging point (CFPP) 14.36, viscosity (upsilon) 3.81, and density (rho) 0.86.
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