期刊
CATALYSTS
卷 12, 期 3, 页码 -出版社
MDPI
DOI: 10.3390/catal12030277
关键词
ionic liquids; microalgae; biodiesel; catalysts
资金
- Yayasan Universiti Teknologi PETRONAS (YUTP) [015LC0-049]
This study investigates the potential conversion of dried microalgae Chlorella vulgaris into fatty acid methyl ester (FAME). The performance of two ionic liquids (ILs), IL 1 and IL 2, as catalysts for direct transesterification (DT) was compared. The results showed that IL 2 had a better catalytic performance, producing a higher amount of FAME. The kinetic study indicated that the reaction followed a first order kinetic reaction.
This study describes the potential conversion of dried microalgae. Chlorella vulgaris (C. vulgaris) into fatty acid methyl ester (FAME) using the direct transesterification (DT) method and using ionic liquids (ILs) as a catalyst. In this work, the performance of monocationic IL, namely 1-butyl-1-methylpyrrolidinium bromide (IL 1), and dicationic IL, namely 1,4-bis(1-methylpyrrolidinium-1-yl) butane dibromide (IL 2), as catalysts was compared for DT of C. vulgaris under microwave irradiation. The results revealed that IL 2 showed a better performance in catalyzing the DT reaction by producing 87.9 mg/g% of FAME, while the use of IL 1 led to 74.3 mg/g% of FAME under optimum conditions. The kinetic study for direct transesterification of C. vulgaris showed that the reaction followed a first order kinetic reaction where the activation energies were calculated to be 22.2499 kJ mol(-1) and 22.0413 kJ mol(-1) for IL 1 and IL 2, respectively.
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