期刊
SUSTAINABLE ENERGY & FUELS
卷 4, 期 3, 页码 1105-1111出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9se00457b
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资金
- Indonesia Endowment Fund for Education (LPDP)
- Cross-Ministerial Strategic Innovation Promotion Program (SIP) from the Japan Science and Technology Agency, Japan
- Special Coordination Funds for Promoting Science and Technology, Creation of Innovation Centers for Advanced Interdisciplinary Research Areas (Innovative Bioproduction Kobe), Japan
Palm oil mill effluent (POME), a liquid waste from the palm oil industry, presents an alternative source for biodiesel production without interfering with food supply. This study attempted to produce biodiesel from untreated POME with aqueous ethanol using Thermomyces lanuginosus lipase as a biocatalyst. The effects of enzyme concentration, alcohol to oil ratio, and ethanol concentration were considered in the transesterification reaction. The optimum conditions were 2100 U lipase loading, 4 : 1 ethanol to oil molar ratio, and 45% (v/v) ethanol concentration at 40 degrees C reaction, and under 24 hours. The maximum fatty acid ethyl ester (FAEE) yield reached 97.43% (w/w) under these conditions. Integration of dilute ethanol for the conversion of POME to biodiesel could be promising as both feedstocks could be obtained from the same location, and thus reduce the logistical burden on biodiesel production.
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