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Heterogeneous catalysis for biodiesel production from Jatropha curcas oil (JCO)
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Technology.
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Technology.ORCID iD: 0000-0002-6212-4194
KTH, School of Chemical Science and Engineering (CHE), Chemical Engineering and Technology, Chemical Technology.ORCID iD: 0000-0002-1664-0278
2011 (English)In: Energy, ISSN 0360-5442, E-ISSN 1873-6785, Vol. 36, no 5, 2693-2700 p.Article in journal (Refereed) Published
Abstract [en]

This work focuses on the development of heterogeneous catalysts for biodiesel production from high free fatty acid (FFA) containing Jatropha curcas oil (KO). Solid base and acid catalysts were prepared and tested for transesterification in a batch reactor under mild reaction conditions. Mixtures of solid base and acid catalysts were also tested for single-step simultaneous esterification and transesterification. More soap formation was found to be the main problem for calcium oxide (CaO) and lithium doped calcium oxide (Li-CaO) catalysts during the reaction of jatropha oil and methanol than for the rapeseed oil (RSO). CaO with Li doping showed increased conversion to biodiesel than bare CaO as a catalyst. La(2)O(3)/ZnO, La(2)O(3)/Al(2)O(3) and La(0.1)Ca(0.9)MnO(3) catalysts were also tested and among them La(2)O(3)-ZnO showed higher activity. Mixture of solid base catalysts (CaO and Li-CaO)and solid acid catalyst (Fe(2)(SO(4))(3)) were found to give complete conversion to biodiesel in a single-step simultaneous esterification and transesterification process. (C) 2011 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
2011. Vol. 36, no 5, 2693-2700 p.
Keyword [en]
Jatropha curcas oil (JCO), Heterogeneous catalysts, Biodiesel, Transesterification, Simultaneous esterification
National Category
Chemical Engineering
Identifiers
URN: urn:nbn:se:kth:diva-39060DOI: 10.1016/j.energy.2011.02.010ISI: 000291411400041Scopus ID: 2-s2.0-79955648152OAI: oai:DiVA.org:kth-39060DiVA: diva2:439366
Available from: 2011-09-07 Created: 2011-09-07 Last updated: 2017-12-08Bibliographically approved

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Kiros, YohannesZanzi, Rolando

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