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Título : Techno-economic assessment of a biorefinery plant for extracted olive pomace valorization
Autor : Orive, Mikel; Cebrian, Marta; Amayra, Javier; Zufia, Jaime; Bald, Carlos
Citación : PROCESS SAFETY AND ENVIRONMENTAL PROTECTION, 2021, 147, 924-931
Resumen : This study reports on a new integrated valorization alternative for extracted olive pomace (EOP) by recovering polyphenols as high-value compounds and the subsequent anaerobic digestion of the remaining dephenolized fraction for energy production. The average polyphenol extraction rate was 22.10 kg GAE t(-1) EOP and the subsequent optimum methane production from the remaining dephenolized fraction (278 L CH4 kg VS-1 d(-1)) occurred at organic loading rate (OLR) 2.48 g VS L-1 d(-1) and 24 d hydraulic retention time (HRT). The study also reports on the preliminary economic feasibility study and the sensitivity analysis to valorize 1,500 t EOP y(1) under biorefinery concept. The calculated net present value (NPV) and internal return rate (IRR) were (sic)1,996,856 and 58 \%, respectively. The sensitivity analysis concluded that the minimum sales volume of hydroxytyrosol (HT) extract and the sale price per mass are by far the most significant factors that might influence the overall economic feasibility of the proposed EOP valorization plant. (C) 2021 Institution of Chemical Engineers. Published by Elsevier B.V. All rights reserved.
Palabras clave : Biorefineries; Polyp henols; Biogas; Economic assessment; Sensitivity analysis
Fecha de publicación : 2021
Editorial : ELSEVIER
Tipo de documento: Article
Idioma: 
DOI: 10.1016/j.psep.2021.01.012
URI : http://dspace.azti.es/handle/24689/1271
ISSN : 0957-5820
E-ISSN: 1744-3598
Patrocinador: Spanish Ministry of Economy and CompetitivenessSpanish Government [PCIN-2015-140, ELAC2014/BEE-0364]
Department of Economic Development and Competitiveness of the Basque Government
Aparece en las tipos de publicación: Artículos científicos



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