A Review of Supercritical Technologies for Lipid-Based Biofuels Production: The Glycerol-free Processes

Winatta Sakdasri; Cholada Komintarachat; Ruengwit Sawangkeaw; Somkiat Ngamprasertsith

doi:10.4186/ej.2021.25.2.1

A Review of Supercritical Technologies for Lipid-Based Biofuels Production: The Glycerol-free Processes

Authors

Winatta Sakdasri Chulalongkorn University
Cholada Komintarachat Kasetsart University
Ruengwit Sawangkeaw Chulalongkorn University
Somkiat Ngamprasertsith Chulalongkorn University

DOI:

https://doi.org/10.4186/ej.2021.25.2.1

Keywords:

supercritical fluids, biofuel, biomass, oxygenated fuel, glycerol

Abstract

Supercritical transesterification of lipid-based biomasses, a recent technique to produce biofuel without a catalyst, is discussed. This review focused on a glycerol-free process. The supercritical reactants include dimethyl carbonate, diethyl carbonate, methyl acetate, ethyl acetate (ETA), and methyl tert-butyl ether. The by-products from the glycerol-free process can improve both the quantity and quality of the resultant biofuel. This review suggests that supercritical transesterification of lipid-based biomasses using ETA as a co-reactant can provide the most valuable advantages, as involves inexpensive and renewable resources, which are important for biofuel production and sustainability.

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Author Biographies

Winatta Sakdasri
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Fuels Research Center, Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand

Program of Food Process Engineering, Faculty of Food-Industry, King Mongkut’s Institute of Technology Ladkrabang, Bangkok 10520, Thailand

Cholada Komintarachat
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Department of Basic Science and Physical Education, Faculty of Science at Si Racha, Kasetsart University, Sukhumvit Road, Si Racha, Chonburi 20230, Thailand

Ruengwit Sawangkeaw
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The Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, Institute Bldg. 3, 254 Phayathai Rd., Pathumwan, Bangkok 10330, Thailand

Research Unit in Bioconversion/Bioseparation for Value-Added Chemical Production, Institute of Biotechnology and Genetic Engineering, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok, Thailand

Somkiat Ngamprasertsith
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Fuels Research Center, Department of Chemical Technology, Faculty of Science, Chulalongkorn University, Bangkok 10330, Thailand

Center of Excellence on Petrochemical and Materials Technology, Chulalongkorn University, 254 Phayathai Road, Pathumwan, Bangkok 10330, Thailand

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Published In

Vol 25 No 2, Feb 28, 2021

How to Cite

[1]

W. Sakdasri, C. Komintarachat, R. Sawangkeaw, and S. Ngamprasertsith, “A Review of Supercritical Technologies for Lipid-Based Biofuels Production: The Glycerol-free Processes”, Eng. J., vol. 25, no. 2, pp. 1-14, Feb. 2021.

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