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Viable Glycerol Carbonate Synthesis Through Direct Crude Glycerol Utilization from Biodiesel Industry

Indran, Vidhyaa Paroo and Anisah Sajidah, Haji Saud and Gaanty Pragas, Maniam and Yun Hin, Taufiq-Yap and Mohd Hasbi, Ab. Rahim (2016) Viable Glycerol Carbonate Synthesis Through Direct Crude Glycerol Utilization from Biodiesel Industry. Waste and Biomass Valorization. pp. 1-11. ISSN 1877-2641

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Abstract

Synthesis of organic carbonates specifically glycerol carbonate has become a major concern among researchers due to its interesting chemical properties. In this study, we report the direct utilization of two different sources of crude glycerol in glycerolysis reaction with urea for the synthesis of glycerol carbonate using potassium silicate containing boiler ash as a catalyst. The level of interference of moisture and methanol content in crude glycerol was studied by mimicking conditions in pure glycerol and it was found that moisture at 10 wt% significantly effects the conversion of glycerol while methanol at 5 wt% affects the selectivity towards glycerol carbonate. However, due to the low moisture and methanol content in crude glycerol, comparable yield % of glycerol carbonate with commercial pure glycerol as starting feedstock was noted. Besides, the study also found that the potassium methylate and sodium methylate used as catalysts for the commercial production of biodiesel can be also used as an effective catalyst for the synthesis of glycerol carbonate. The current approach is a near approach for a greener environment which proposes use of both catalyst and glycerol derived from waste sources.

Item Type: Article
Uncontrolled Keywords: crude glycerol, glycerol carbonate, boiler ash, impurities, potassium silicate, industrial waste
Subjects: Q Science > Q Science (General)
Faculty/Division: Faculty of Industrial Sciences And Technology
Depositing User: Mrs. Neng Sury Sulaiman
Date Deposited: 30 Dec 2016 07:24
Last Modified: 22 Nov 2018 08:02
URI: http://umpir.ump.edu.my/id/eprint/14742
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