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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 PublicationFUEL
ISSN0016-2361
Volume197Issue: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.

KeywordBiodiesel Microalgae oils Enzymatic transesterification Lipase
DOI10.1016/j.fuel.2017.02.040
Funding OrganizationNational 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 BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[41276150] ; National 863 project[2013AA065804]
WOS Research AreaEnergy & Fuels ; Engineering
WOS SubjectEnergy & Fuels ; Engineering, Chemical
WOS IDWOS:000398669900048
WOS KeywordLIPASE-CATALYZED TRANSESTERIFICATION ; WASTE-WATER TREATMENT ; ENZYMATIC PRODUCTION ; IMMOBILIZED LIPASE ; BIOFUEL PRODUCTION ; MICROALGAE ; OIL ; PERSPECTIVES ; SOLVENT ; ENERGY
PublisherELSEVIER SCI LTD
Funding OrganizationNational 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
Cited Times:15[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://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 AuthorChen, Wei
Affiliation1.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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