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Highly-efficient enzymatic conversion of crude algal oils into biodiesel
Wang, Yao1,2,3; Liu, Jin2,3; Gerken, Henri4; Zhang, Chengwu1; Hu, Qiang5; Li, Yantao2,3
2014-11-01
Source PublicationBIORESOURCE TECHNOLOGY
ISSN0960-8524
Volume172Pages:143-149
AbstractEnergy-intensive chemical conversion of crude algal oils into biodiesel is a major barrier for cost-effective algal biofuel production. To overcome this problem, we developed an enzyme-based platform for conversion of crude algal oils into fatty acid methyl esters. Crude algal oils were extracted from the oleaginous microalga Nannochloropsis oceanica IMET1 and converted by an immobilized lipase from Candida antarctica. The effects of different acyl acceptors, t-butanol as a co-solvent, oil to t-butanol ratio, oil to methanol ratio, temperature and reaction time on biodiesel conversion efficiency were studied. The conversion efficiency reached 99.1% when the conversion conditions were optimized, i.e., an oil to t-butanol weight ratio of 1:1, an oil to methanol molar ratio of 1:12, and a reaction time of 4 h at 25 degrees C. The enzymatic conversion process developed in this study may hold a promise for low energy consumption, low wastewater-discharge biochemical conversion of algal feedstocks into biofuels. Published by Elsevier Ltd.
SubtypeArticle
KeywordCrude Algal Oils Enzymatic Conversion Fatty Acid Methyl Esters Lipase Nannochloropsis Oceanica Imet1
DOI10.1016/j.biortech.2014.09.003
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine ; Technology
Indexed BySCI
Language英语
WOS Research AreaAgriculture ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS SubjectAgricultural Engineering ; Biotechnology & Applied Microbiology ; Energy & Fuels
WOS IDWOS:000344113800019
WOS KeywordLIPASE-CATALYZED TRANSESTERIFICATION ; TERT-BUTANOL SYSTEM ; RENEWABLE OILS ; SOYBEAN OIL ; MICROALGAE ; SOLVENT ; TRANSFORMATION ; BIOFUEL
Citation statistics
Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.ihb.ac.cn/handle/342005/23811
Collection藻类生物技术和生物能源研发中心_期刊论文
Affiliation1.Jinan Univ, Inst Hydrobiol, Guangzhou 510632, Guangdong, Peoples R China
2.Univ Maryland, Ctr Environm Sci, Inst Marine & Environm Technol, Baltimore, MD 21202 USA
3.Univ Maryland Baltimore Cty, Baltimore, MD 21202 USA
4.Arizona State Univ, Arizona Ctr Algal Technol & Innovat, Mesa, AZ 85212 USA
5.Chinese Acad Sci, Inst Hydrobiol, Ctr Microalgal Biotechnol & Biofuels, Wuhan 430072, Peoples R China
Recommended Citation
GB/T 7714
Wang, Yao,Liu, Jin,Gerken, Henri,et al. Highly-efficient enzymatic conversion of crude algal oils into biodiesel[J]. BIORESOURCE TECHNOLOGY,2014,172:143-149.
APA Wang, Yao,Liu, Jin,Gerken, Henri,Zhang, Chengwu,Hu, Qiang,&Li, Yantao.(2014).Highly-efficient enzymatic conversion of crude algal oils into biodiesel.BIORESOURCE TECHNOLOGY,172,143-149.
MLA Wang, Yao,et al."Highly-efficient enzymatic conversion of crude algal oils into biodiesel".BIORESOURCE TECHNOLOGY 172(2014):143-149.
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