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Recent developments on heterogeneous catalysts for biodiesel production by oil esterification and transesterification reactions: A review

Authors
Journal
Renewable and Sustainable Energy Reviews
1364-0321
Publisher
Elsevier
Volume
16
Issue
5
Identifiers
DOI: 10.1016/j.rser.2012.01.071
Keywords
  • Biodiesel
  • Heterogeneous Catalyst
  • Transesterification
  • Esterification
Disciplines
  • Chemistry

Abstract

Abstract Heterogeneous catalysis is widely applied in industry due to important advantages it offers to chemical processes such as improved selectivity and easy catalyst separation from reaction mixture, reducing process stages and wastes. This is the reason why nowadays heterogeneous catalysts are being developed to produce biodiesel. Several catalytic materials have been showed in bibliography: acid solids capable to carry out free fatty acids esterification reaction, base solids which are able to carry out triglycerides transesterification reaction and bifunctional solids (acid–base character) which show ability to simultaneously catalyze esterification and transesterification reaction. This review discusses the latest advances in research and development related with heterogeneous catalysts used to produce biodiesel.

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