Development of catalyst complexes for upgrading biomass into ester-based biolubricants for automotive applications: a review

Hossain, Md Anwar and Mohamed Iqbal, Mohammad Anwar and Julkapli, Nurhidayatullaili Muhd and Kong, Pei San and Juan, Joon Ching and Lee, Hwei Voon (2018) Development of catalyst complexes for upgrading biomass into ester-based biolubricants for automotive applications: a review. RSC Advances, 8 (10). pp. 5559-5577. ISSN 2046-2069

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Official URL: https://doi.org/10.1039/c7ra11824d

Abstract

Biomass-derived oils are recognised as the most promising renewable resources for the production of ester-based biolubricants due to their biodegradable, non-toxic and metal adhering properties. Homogeneous acid catalysts have been conventionally used in catalytic esterification and transesterification for the synthesis of ester-based biolubricants. Although homogeneous acid catalysts encounter difficulty during phase separation, they exhibit superior selectivity and good stereochemistry and regiochemistry control in the reaction. Consequently, transition metal complex catalysts (also known as homogeneous organometallic catalysts) are proposed for biolubricant synthesis in order to achieve a higher selectivity and conversion. Herein, the potential of both homogeneous transition metal complexes and heterogeneous supported metal complexes towards the synthesis of biolubricants, particularly, in esterification and transesterification, as well as the upgrading process, including hydrogenation and in situ hydrogenation-esterification, is critically reviewed.

Item Type: Article
Uncontrolled Keywords: Automotive applications; Catalytic esterification; Homogeneous acids; Homogeneous transition; In-situ hydrogenation; Organometallic catalysts; Renewable resource; Supported metals
Subjects: T Technology > TP Chemical technology
Divisions: Faculty of Engineering
Deputy Vice Chancellor (Research & Innovation) Office > Nanotechnology & Catalysis Research Centre
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 07 Aug 2019 08:03
Last Modified: 07 Aug 2019 08:03
URI: http://eprints.um.edu.my/id/eprint/21870

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