期刊
CHEMICAL ENGINEERING JOURNAL
卷 296, 期 -, 页码 71-78出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cej.2016.03.096
关键词
Novel Bronsted acidic ionic liquid; Biodiesel; Coconut oil; Transesterification
资金
- National Natural Science Foundation of China [21576053, 21306025]
- International S&T Cooperation Program of China [2013DFR90540]
- Science Foundation for Distinguished Young Scholars of Fujian [2014J06004]
- New Century Excellent Talents in Fujian Province University [JA12014]
- Natural Science Foundation of Fujian Province [2016J01689]
- Key Project of Fujian Provincial Department of Science and Technology [2014Y0066]
Four novel Bronsted acidic ionic liquids were synthesized and characterized by FT-IR, H-1 NMR and C-13 NMR for the first time. Their catalytic activities for the synthesis of biodiesel via the transesterification of coconut oil and methanol were investigated. Among all the tested ionic liquids, [CyN1,1PrSO3H][Tos] performed best, and its catalytic performance was systematically explored by orthogonal experiment based on the single factor experiment. The results show that the order of factors on the yield of biodiesel is reaction temperature, molar ratio of methanol oil, catalyst dosage and reaction time. The maximum biodiesel yield of 98.7% was obtained under the optimal reaction conditions. There was no significant decrease of its catalytic activity after being reused for five successive cycles. The refined biodiesel meets the European biodiesel standard (EN 14214). (C) 2016 Elsevier B.V. All rights reserved.
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