Journal
FUEL PROCESSING TECHNOLOGY
Volume 106, Issue -, Pages 619-624Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.fuproc.2012.09.054
Keywords
Esterification; Niobium phosphate; Niobium; Fatty acids
Funding
- CNPq (Conselho Nacional de Desenvolvimento Cientifico e Tecnologico)
- FAPERJ (Fundacao de Amparo a Pesquisa do Rio de Janeiro)
- ANP (Agencia Nacional de Petroleo) [PRH1]
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The aim of this study is the evaluation of niobium catalysts (niobic acid, niobium phosphate) in the esterification reactions of fatty acids (C12-C18) with alcohols (methanol, ethanol, butanol). The catalysts were characterized by different techniques (N-2 adsorption/desorption, XRD, FTIR, FTIR of adsorbed pyridine). The niobium phosphate was the most active in esterification of lauric acid with butanol and can be reutilized three times without loss of activity. (C) 2012 Elsevier B.V. All rights reserved.
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