Journal
JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS
Volume 102, Issue -, Pages 276-282Publisher
ELSEVIER
DOI: 10.1016/j.jtice.2019.06.014
Keywords
Glycerol carbonate; Fuel additives; Microwave and Musa acuminata peel ash
Categories
Funding
- SERB, New Delhi [SB/FT/CS-103/2013, SB/EMEQ-076/2014]
- MHRD, Government of India
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Musa acuminata peel ash (MAPA), a biowaste-derived solid base catalyst is investigated for the transesterification of glycerol with dimethyl carbonate (DMC) to glycerol carbonate (GC), a potential fuel additive, under microwave irradiation. High basicity, high surface area and mesoporous nature of the catalyst effectively promote the conversion of glycerol to GC. Moreover, the catalyst being a biowaste is abundantly available, cheap, biodegradable, renewable, sustainable and environment-friendly. Microwave irradiation shows higher conversion (99%) and greater selectivity (99.5%) as compared to conventional heating (18% conversion and 98.5% selectivity) under our optimized reaction conditions such as 1:2 molar ratio of glycerol/dimethyl carbonate, catalyst loading of 6 wt%, temperature of 75 degrees C and time of 15 min. The synthesized GC was characterized by gas chromatography, H-1 and C-13 NMR, and mass spectrometry. The reusability of the catalyst was investigated up to 6 successive cycles and it shows great stability towards the transesterification of glycerol to GC. (C) 2019 Taiwan Institute of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
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