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Competitive Interesterification-Transesterification of Rapeseed Oil with Methyl Acetate in Presence of Potassium Metoxide Solutions

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Abstract:

Two catalytic systems (CH3OK/CH3OH and CH3OK/tert-BuOH) were tested to estimate competitive interesterification-transesterification processes of rapeseed oil with methyl acetate. Catalyst completely dissolves in methanol, while in tert-butanol suspension was obtained. With CH3OK/CH3OH catalytic system high FAME content was obtained (86 wt%), but triacetin content was negligible and without FAME mostly transesterification products of oil and triacetin were observed (up to 94 wt% of all products). When CH3OK/tert-BuOH catalytic system was used, only interesterification of oil proceeded, nevertheless the composition of product complicated the interesterification of triacetin with tert-butanol.

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Periodical:

Key Engineering Materials (Volume 762)

Pages:

158-162

DOI:

https://doi.org/10.4028/www.scientific.net/KEM.762.158

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Online since:

February 2018

Authors:

Elina Sile*, Valdis Kampars, Zane Sustere

Keywords:

Biodiesel, Chemical Interesterification, FAME, Triacetin

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© 2018 Trans Tech Publications Ltd. All Rights Reserved

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