Sustainability and economic evaluation of microalgae grown in brewery wastewater

• Tipo: Artigo em Revista Científica Internacional
• Data: 2014

Autores

Teresa M. Mata (Autor) FEUP; Adélio M. Mendes (Autor) FEUP; Nídia S. Caetano (Autor) FEUP; António A. Martins (Autor) Outra

Revista

Título: Bioresource Technology

Vol. 168 Nº SI

Páginas: 151-158

ISSN: 0960-8524

Editora: Elsevier

Indexação

ISI Web of Knowledge - 46 Citações

ISI Web of Science

Scopus - 48 Citações

Classificação Científica

FOS: Ciências da engenharia e tecnologias > Engenharia química

CORDIS: Ciências Tecnológicas > Engenharia > Engenharia química

Projetos Associados

UI0511 - PROJECTO ESTRATÉGICO - UI 511 - 2013-2014

Outras Informações

ID Authenticus: P-009-QVW

DOI: 10.1016/j.biortech.2014.04.091

Abstract (EN): This article evaluates the sustainability and economic potential of microalgae grown in brewery wastewater for biodiesel and biomass production. Three sustainability and two economic indicators were considered in the evaluation within a life cycle perspective. For the production system the most efficient process units were selected. Results show that harvesting and oil separation are the main process bottlenecks. Microalgae with higher lipid content and productivity are desirable for biodiesel production, although comparable to other biofuel’s feedstock concerning sustainability. However, improvements are still needed to reach the performance level of fossil diesel. Profitability reaches a limit for larger cultivation areas, being higher when extracted biomass is sold together with microalgae oil, in which case the influence of lipid content and areal productivity is smaller. The values of oil and/or biomass prices calculated to ensure that the process is economically sound are still very high compared with other fuel options, especially biodiesel.

Idioma: Inglês

Tipo (Avaliação Docente): Científica

Notas: Publicação abrangida pelo Journal Citation Reports 2015

Nº de páginas: 8