Transesterification of crude palm kernel oil and crude coconut oil by different solid catalysts

被引:397
作者
Jitputti, J
Kitiyanan, B
Rangsunvigit, P
Bunyakiat, K
Attanatho, L
Jenvanitpanjakul, P
机构
[1] Chulalongkorn Univ, Petroleum & Petrochem Coll, Bangkok 10330, Thailand
[2] Thailand Inst Sci & Technol Res, Bangkok, Thailand
关键词
transesterification; biodiesel; palm kernel oil; coconut oil; solid catalysts;
D O I
10.1016/j.cej.2005.09.025
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
This work reports on the preliminary results of using several acidic and basic solids, such as ZrO2, ZnO, SO42-/SnO2, SO42-/ZrO2, KNO3/KL zeolite and KNO3/ZrO, as heterogeneous catalysts for crude palm kernel oil (PKO) and crude coconut oil (CCO) transesterification with methanol. It was found that ZnO and SO42-/ZrO2 exhibited the highest activity for both PKO and CCO transesterification. In the case of SO42-/ZrO2, only 1 wt.% of this acidic solid was needed to catalyze the reaction, and resulted in fatty acid methyl esters content higher than 90%. Moreover, a study of the catalyst's recyclability indicated that the spent SO42-/ZrO cannot be directly reused for the transesterification. However, this spent catalyst can be easily regenerated and the same activity can be obtained. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码:61 / 66
页数:6
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