Activity of solid acid catalysts for biodiesel production: A critical review

Muhammad Sani, Y. and Daud, Wan Mohd Ashri Wan and Abdul Raman, Abdul Aziz (2014) Activity of solid acid catalysts for biodiesel production: A critical review. Applied Catalysis A: General, 470. pp. 140-161. ISSN 0926-860X, DOI https://doi.org/10.1016/j.apcata.2013.10.052.

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Abstract

Homogeneous acid catalysts received wide acceptability because of their fast reaction rates. However, post production costs incurred from aqueous quenching, waste water and loss of catalysts led to the search for alternatives. Until recently, heterogeneous base catalyzed-biodiesel production also gained the attention of most researchers. This was because the process minimized the problems of homogeneous catalysis in terms of catalyst regeneration and recycling in continuous processes. However, despite these advances,the ultimate aim of producing biodiesel at affordable cost is yet to be realized. Further, the process requires refined feedstocks which account for as high as 88% of the final production costs. Thus, the focus of many research efforts is towards the rational design and development of solid acid catalysts aimed at reducing biodiesel production costs. Therefore, this study reviewed current literature on the activities and advantages of solid acid catalysts used in biodiesel production. It discussed in details how the preparation method and prevailing reaction conditions affect the catalytic activity of the catalyst. The review concluded by suggesting way forward from the traditional trial-and-error method to a rational means of determining catalytic activities.

Item Type:	Article
Funders:	UNSPECIFIED
Additional Information:	http://dx.doi.org/10.1016/j.apcata.2013.10.052
Uncontrolled Keywords:	Solid acid catalysts; Catalytic activity; Turnover frequency Reaction conditions; Biodiesel
Subjects:	T Technology > TA Engineering (General). Civil engineering (General) T Technology > TP Chemical technology
Divisions:	Faculty of Engineering
Depositing User:	Ms. Norhamizah Tamizi
Date Deposited:	18 Mar 2014 10:06
Last Modified:	19 Sep 2019 08:36
URI:	http://eprints.um.edu.my/id/eprint/9511

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