Utilize este identificador para referenciar este registo: http://hdl.handle.net/10400.22/3030
Título: Simulation and life cycle assessment of process design alternatives for biodiesel production from waste vegetable oils
Autor: Morais, Sérgio Alberto
Mata, Teresa M.
Martins, A. A.
Pinto, Gilberto
Costa, Carlos A.V.
Palavras-chave: Biodiesel
Waste vegetable oil
Process design
Process simulation
Life cycle assessment (LCA)
Alkali-catalyzed process
Acid-catalyzed process
Supercritical methanol process
Data: 2010
Editora: Elsevier
Relatório da Série N.º: Journal of Cleaner Production;Vol. 18, Issue 13
Resumo: This study uses the process simulator ASPEN Plus and Life Cycle Assessment (LCA) to compare three process design alternatives for biodiesel production from waste vegetable oils that are: the conventional alkali-catalyzed process including a free fatty acids (FFAs) pre-treatment, the acid-catalyzed process, and the supercritical methanol process using propane as co-solvent. Results show that the supercritical methanol process using propane as co-solvent is the most environmentally favorable alternative. Its smaller steam consumption in comparison with the other process design alternatives leads to a lower contribution to the potential environmental impacts (PEI’s). The acid-catalyzed process generally shows the highest PEI’s, in particular due to the high energy requirements associated with methanol recovery operations.
Peer review: yes
URI: http://hdl.handle.net/10400.22/3030
ISSN: 0959-6526
Versão do Editor: www.sciencedirect.com/science/article/pii/S0959652610001654#
Aparece nas colecções:ISEP – GRAQ – Artigos

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