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Bioresource technology, 2010-10, Vol.101 (20), p.7701-7706
2010
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Autor(en) / Beteiligte
Titel
Kinetics of acid base catalyzed transesterification of Jatropha curcas oil
Ist Teil von
  • Bioresource technology, 2010-10, Vol.101 (20), p.7701-7706
Ort / Verlag
Kidlington: Elsevier Ltd
Erscheinungsjahr
2010
Quelle
MEDLINE
Beschreibungen/Notizen
  • Out of various non-edible oil resources, Jatropha curcas oil (JCO) is considered as future feedstock for biodiesel production in India. Limited work is reported on the kinetics of transesterification of high free fatty acids containing oil. The present study reports the results of kinetic study of two-step acid base catalyzed transesterification process carried out at an optimum temperature of 65 °C and 50 °C for esterification and transesterification respectively under the optimum methanol to oil ratio of 3:7 (v/v), catalyst concentration 1% (w/w) for H 2SO 4 and NaOH. The yield of methyl ester (ME) has been used to study the effect of different parameters. The results indicate that both esterification and transesterification reaction are of first order with reaction rate constant of 0.0031 min −1 and 0.008 min −1 respectively. The maximum yield of 21.2% of ME during esterification and 90.1% from transesterification of pretreated JCO has been obtained.

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