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Title: Transesterification of soybean oil over sulfonic acid functionalised
Authors: Guerreiro, L
Castanheiro, J
Fonseca, I
Martin-Aranda, R
Ramos, A
Vital, J
Editors: Spivey, J.J.
Bañares, M.A.
Keywords: Transesterification
Sulfonic acid groups
Polymeric catalytic membranes
Issue Date: 30-Oct-2006
Publisher: Elsevier
Citation: Catalysis Today 118 (2006) 166–171
Abstract: The transesterification of soybean oil with methanol was studied using solid acid catalysts, at 60 ºC and atmospheric pressure. Nafion membranes, ion-exchange resins and poly(vinyl alcohol) membranes containing sulfonic groups were used as catalysts for the transesterification reaction studied. The reactions were carried out in a three-necked reactor using all the catalysts in the form of pellets. Nafion and PVA membranes in the form of film were also used in a membrane reactor. The PVA membrane modified with sulfossucinic acid was, in both cases, the most active catalyst. The concentration profiles obtained with the catalysts in the form of pellets exhibited an initial induction period, which disappears when the reaction is performed in the membrane reactor.
Type: article
Appears in Collections:QUI - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica
CQE - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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