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Esterification of fatty acids to biodiesel over polymers with sulfonic acid groups
Caetano, CS; Guerreiro, L; Fonseca, I; Ramos, A; Vital, J; Castanheiro, JEThe esterification of palmitic acid with methanol was studied using poly(vinyl alcohol) cross-linked with sulfosuccinic acid (SSA) and polystyrene cross-linked with divinylbenzene with sulfonic acid groups, as catalysts, at 60 ºC. It was observed that the PVAmatrixes with sulfonic acid groups were more active than the polystyrene ones. With the most active polymeric matrix (PVA_SSA40), an almost 90% equilibrium...
Data: 2009
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Origem: Repositório Científico da Universidade de Évora
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