ScienceAsia 47 (2021):ID 531-541 |doi:
10.2306/scienceasia1513-1874.2021.095
A review of catalyst and multifunctional reactor
development for sustainable biodiesel production
Narita Chanthona, Kanokwan Ngaosuwanb, Worapon Kiatkittipongc, Doonyapong Wongsawaengd,
Weerinda Appamanae, Suttichai Assabumrungrata,f,*
ABSTRACT: Biodiesel is an alternative green fuel commonly used worldwide. The biodiesel production process consists
mainly of production and purification steps. In the production step, there are two main reactions, transesterification and
esterification, that require novel catalysts to achieve high yield in a short processing time; however, the immiscibility of
the reactants limits the mass transfer and consequently the reaction rate. This article reviews the development of various
catalysts: acid, base, and bifunctional catalysts, for transesterification and esterification. In addition, some interesting
multifunctional reactors to improve biodiesel production are briefly discussed. A functionalized acid/base catalyst on
a metal oxide support is a potential catalyst for transesterification/esterification. Moreover, an ultrasound-assisted
reactor is a promising multifunctional reactor to be used in batch or continuous operation for biodiesel production with
both homogeneous and heterogeneous catalysts.
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| a |
Center of Excellence on Catalysis and Catalytic Reaction Engineering, Department of Engineering,
Faculty of Engineering, Chulalongkorn University, Bangkok 10330 Thailand |
| b |
Chemical Engineering Division, Department of Engineering, Rajamangala University of Technology
Krungthep, Bangkok 10120 Thailand |
| c |
Department of Chemical Engineering, Faculty of Engineering and Industrial Technology, Silpakorn
University, Nakhon Pathom 73000 Thailand |
| d |
Research Unit on Plasma Technology for High-Performance Materials Development, Department of
Nuclear Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330 Thailand |
| e |
Department of Chemical Engineering, Faculty of Engineering, Rajamangala University of Technology
Thanyaburi, Pathum Thani 12110 Thailand |
| f |
Bio-Circular-Green-economy Technology & Engineering Center, BCGeTEC, Department of Chemical
Engineering, Faculty of Engineering, Chulalongkorn University, Bangkok 10330 Thailand |
* Corresponding author, E-mail: Suttichai.a@chula.ac.th
Received 17 Aug 2021, Accepted 0 0000
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