Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/81657
Type: Artigo de periódico
Title: Optimization of biodiesel production from castor oil
Author: Da Silva, ND
Maciel, MRW
Batistella, CB
Filho, RM
Abstract: The transesterification of castor oil with ethanol in the presence of sodium ethoxide as catalyst is an exceptional option for the Brazilian biodiesel production, because the castor nut is quite available in the country. Chemically, its oil contains about 90% of ricinoleic acid that gives to the oil some beneficial characteristics such as its alcohol solubility at 30 C. The transesterification variables studied in this work were reaction temperature, catalyst concentration and alcohol oil molar ratio. Through a star configuration experimental design with central points, this study shows that it is possible to achieve the same conversion of esters carrying out the transesterification reaction with a smaller alcohol quantity, and a new methodology was developed to obtain high purity biodiesel.
Subject: biodiesel
castor oil
ethanolysis
transesterification
alkaline catalyst
Country: EUA
Editor: Humana Press Inc
Rights: fechado
Date Issue: 2006
Appears in Collections:Unicamp - Artigos e Outros Documentos

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