Optimization of an effective method for the conversion of crude algal lipids into biodiesel | |
Wu, Sha1,2; Song, Lirong1; Sommerfeld, Milton3; Hu, Qiang1,3; Chen, Wei1,3 | |
2017-06-01 | |
Source Publication | FUEL
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ISSN | 0016-2361 |
Volume | 197Issue:1Pages:467-473 |
Abstract | Although microalgae represent a promising alternative feedstock for biofuels, the current solvent-based lipid conversion systems and processes are neither cost-effective nor energy-efficient due to the bad quality of algal crude lipids. In the present study, a novel lipase-catalyzed transesterification method with crude Chlorella lipids was systematically investigated and optimized. A highly efficient conversion protocol with 97% of fatty acid methyl esters (FAME) yield was obtained after the introduction of co-solvent. Then several crucial parameters including the reaction time, molar ratio of algae oils to methanol, ratio of algae oils to co-solvent, ratio of algae oils to lipase and reaction temperature and intensively studied and selected at 12 h, 1: 12, 1: 1 (m/v), 20: 1 (m/m) and 40 degrees C, respectively. In addition, the reusability of the immobilized lipase was also investigated with crude algal lipids. The immobilized lipase could maintain 84% of its original activities even after five recycles. Polar lipid standards along with the polar lipids isolated from crude algal lipids were also tested and results indicated that they could also be converted into biodiesel very efficiently. This study provides an important insight into further decreasing the downstream processing costs in algae-based biofuel production. (C) 2017 Elsevier Ltd. All rights reserved. |
Keyword | Biodiesel Microalgae oils Enzymatic transesterification Lipase |
DOI | 10.1016/j.fuel.2017.02.040 |
Funding Organization | National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project |
Indexed By | SCI |
Language | 英语 |
Funding Project | National Natural Science Foundation of China[41276150] ; National 863 project[2013AA065804] |
WOS Research Area | Energy & Fuels ; Engineering |
WOS Subject | Energy & Fuels ; Engineering, Chemical |
WOS ID | WOS:000398669900048 |
WOS Keyword | LIPASE-CATALYZED TRANSESTERIFICATION ; WASTE-WATER TREATMENT ; ENZYMATIC PRODUCTION ; IMMOBILIZED LIPASE ; BIOFUEL PRODUCTION ; MICROALGAE ; OIL ; PERSPECTIVES ; SOLVENT ; ENERGY |
Publisher | ELSEVIER SCI LTD |
Funding Organization | National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National Natural Science Foundation of China ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project ; National 863 project |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.ihb.ac.cn/handle/342005/32810 |
Collection | 藻类生物学及应用研究中心_期刊论文 |
Corresponding Author | Chen, Wei |
Affiliation | 1.Chinese Acad Sci, Inst Hydrobiol, Key Lab Algal Biol, Wuhan 430072, Hubei, Peoples R China 2.Univ Chinese Acad Sci, Beijing 100039, Peoples R China 3.Arizona State Univ, Dept Appl Sci & Math, 7001 E Williams Field Rd, Mesa, AZ 85212 USA |
Recommended Citation GB/T 7714 | Wu, Sha,Song, Lirong,Sommerfeld, Milton,et al. Optimization of an effective method for the conversion of crude algal lipids into biodiesel[J]. FUEL,2017,197(1):467-473. |
APA | Wu, Sha,Song, Lirong,Sommerfeld, Milton,Hu, Qiang,&Chen, Wei.(2017).Optimization of an effective method for the conversion of crude algal lipids into biodiesel.FUEL,197(1),467-473. |
MLA | Wu, Sha,et al."Optimization of an effective method for the conversion of crude algal lipids into biodiesel".FUEL 197.1(2017):467-473. |
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