Produção Nacional
Revisado por pares
Montmorilonita modificada como catalisador heterogêneo em reações de esterificação (m)etílica de ácido láurico
2012; Brazilian Chemical Society; Volume: 35; Issue: 9 Linguagem: Inglês
10.1590/s0100-40422012000900002
ISSN1678-7064
AutoresLeandro Zatta, Angelita Nepel, Andersson Barison, Fernando Wypych,
Tópico(s)Catalysis and Hydrodesulfurization Studies
ResumoA HETEROGENEOUS CATALYST IN (M)ETHYL ESTERIFICATION REACTION OF LAURIC ACID.Montmorillonite was modified with zirconium polyoxycations in the presence of ammonium sulphate.The material was characterized and used as a catalyst in the esterification of lauric acid, the reactions being accompanied by 2 3 factorial design.Conversions of up to 95.33 and 83.35% were observed for the methyl and ethyl esterification reactions respectively, proving superior to results obtained by thermal conversion.The material was submitted to three reaction cycles and similar conversions were observed, indicating the catalyst is not significantly deactivated after reuse.The catalyst was also tested under reflux conditions, yielding a maximum conversion of 36.86%.
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