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A review on the catalytic acetalization of bio-renewable glycerol to fuel additives

Kiakalaieh, Amin Talebian and Saidina Amin, Nor Aishah and Najaafi, Neda and Tarighi, Sara (2018) A review on the catalytic acetalization of bio-renewable glycerol to fuel additives. Frontiers in Chemistry, 6 (NOV). ISSN 2296-2646

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Official URL: http://dx.doi.org/10.3389/fchem.2018.00573

Abstract

The last 20 years have seen an unprecedented breakthrough in the biodiesel industry worldwide leads to abundance of glycerol. Therefore, the economic utilization of glycerol to various value-added chemicals is vital for the sustainability of the biodiesel industry. One of the promising processes is acetalization of glycerol to acetals and ketals for applications as fuel additives. These products could be obtained by acid-catalyzed reaction of glycerol with aldehydes and ketones. Application of different supported heterogeneous catalysts such as zeolites, heteropoly acids, metal-based and acid-exchange resins have been evaluated comprehensively in this field. In this review, the glycerol acetalization has been reported, focusing on innovative and potential technologies for sustainable production of solketal. In addition, the impacts of various parameters such as application of different reactants, reaction temperature, water removal, utilization of crude-glycerol on catalytic activity in both batch and continuous processes are discussed. The outcomes of this research will therefore significantly improve the technology required in tomorrow's bio-refineries. This review provides spectacular opportunities for us to use such renewables and will consequently benefit the industry, environment and economy.

Item Type:Article
Uncontrolled Keywords:acetalization, acetone, fuel additives, glycerol, heterogeneous catalysts, ketone
Subjects:T Technology > TP Chemical technology
Divisions:Chemical and Energy Engineering
ID Code:84521
Deposited By: Yanti Mohd Shah
Deposited On:11 Jan 2020 15:31
Last Modified:11 Jan 2020 15:31

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