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Biodiesel synthesis from Calophyllum inophyllum oil with different supercritical fluids

Lamba, Neha and Gupta, Kaveri and Modak, Jayant M and Madras, Giridhar (2017) Biodiesel synthesis from Calophyllum inophyllum oil with different supercritical fluids. In: BIORESOURCE TECHNOLOGY, 241 . pp. 767-774.

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Official URL: https://doi.org/10.1016/j.biortech.2017.06.027

Abstract

Biodiesel or fatty acid methyl esters (FAMEs) is primarily synthesized using edible vegetable oils and methanol with a catalyst. However, in the present study, FAMEs were synthesized from a non-edible oil (Calophyllum inophyllum also called as sura honne, Punnagam, Alexandrian Laurel) in different super-critical fluids: methanol (MeOH), methyl tert-butyl ether (MTBE), methyl acetate (MeOAc) and dimethyl carbonate (DMC) non-catalytically. Reactions were performed from 523 K to 673 K at 30 MPa with a molar ratio of 40:1 with times varying from 3 min to 3 h. Conversions higher than 80% were obtained within 30 min for oil reaction with MeOH and DMC at 623 K and conversions of 60% and 70% were obtained at 673 K with MeOAc and MTBE, respectively. Pseudo first order kinetics was used to obtain the rate constants and the activation energies followed the order: E-MeOH < E-DMC < E-MeOAc < E-MTBE. (C) 2017 Elsevier Ltd. All rights reserved.

Item Type: Journal Article
Additional Information: Copy right for this article belongs to the ELSEVIER SCI LTD, THE BOULEVARD, LANGFORD LANE, KIDLINGTON, OXFORD OX5 1GB, OXON, ENGLAND
Department/Centre: Division of Mechanical Sciences > Chemical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 03 Aug 2017 09:08
Last Modified: 03 Aug 2017 09:08
URI: http://eprints.iisc.ac.in/id/eprint/57560

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