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International Journal of Energy for a Clean Environment
SJR: 0.195 SNIP: 0.659 CiteScore™: 1.2

ISSN Imprimer: 2150-3621
ISSN En ligne: 2150-363X

International Journal of Energy for a Clean Environment

Précédemment connu sous le nom Clean Air: International Journal on Energy for a Clean Environment

DOI: 10.1615/InterJEnerCleanEnv.2012001579
pages 45-54

SCREENING HETEROGENEOUS CATALYSTS FOR TRANSESTERIFICATION OF TRIGLYCERIDES TO BIODIESEL

Jaime F. Puna
Chemical Engineering Department, Institute Superior de Engenharia de Lisboa (ISEL), R. Conselheiro Emidio Navarro 1, 1959-007 Lisboa, Portugal
Joao F. Gomes
Chemical Engineering Department, Institute Superior de Engenharia de Lisboa (ISEL), R. Conselheiro Emidio Navarro 1, 1959-007 Lisboa, Portugal; Technical University of Lisbon (IBB-IST), Av. Rovisco Pais, 1049-001 Lisboa, Portugal
http://www.degois.pt/visualizador/curriculum.jsp?key=2856191777163311
Joao C. Bordado
Technical University of Lisbon (IBB-IST), Av. Rovisco Pais, 1049-001 Lisboa, Portugal
M. Joana N. Correia
Technical University of Lisbon (CPQ-IST), Av. Rovisco Pais, 1049-001 Lisboa, Portugal
Ana Paula Soares Dias
Technical University of Lisbon (ICEM-IST), Av. Rovisco Pais, 1049-001 Lisboa, Portugal

RÉSUMÉ

Biodiesel, a mixture of long-chain fatty acid methyl esters (FAME), is pointed out as a feasible sustainable fuel to replace fossil fuel in the transportation sector. The homogeneous basic catalysed processes, presently in use, present several drawbacks that can be minimized by replacing homogeneous catalysts with heterogeneous ones.
This work presents a first stage in the development and optimization of new heterogeneous catalysts that are capable of producing biodiesel. Cheap and environmentally benign materials, such as lime and magnesia, showed promising catalytic performance even under mild reaction conditions. Additionally, data have underlined the relevance of the catalysts' stability since several tested materials showed significant FAME yield in a first reaction batch but with null behavior when reused in a second batch.


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