Chemical Engineering Journal 336 (2018) 47–53 Contents lists available at ScienceDirect Chemical Engineering Journal journal homepage: www.elsevier.com/locate/cej Cheese whey integrated valorisation: Production, concentration and exploitation of carboxylic acids for the production of polyhydroxyalkanoates by a fed-batch culture a,1 a,1 a, b Joana M.B. Domingos , Salvatore Puccio , Gonzalo A. Martinez , Natacha Amaral , b a a a Maria A.M. Reis , Serena Bandini , Fabio Fava , Lorenzo Bertin Department of Civil, Chemical, Environmental and Materials Engineering (DICAM), University of Bologna, via Terracini, 28, I-40131 Bologna, Italy Department of Chemistry, UCBIO-Requimte, Faculty of Science & Technology, New University of Lisbon, 2829-516 Caparica, Portugal GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: The present work aimed to verify the feasibility of producing polyhydroxyalkanoates (PHAs) at high con- Biowaste centrations from an alternative and cheap carbon source such as the carboxylic acids (VFAs) obtained by the Acidogenic fermentation anaerobic fermentation of cheese whey (CW). An electrodialysis (ED) step was proposed for the obtainment of a Electrodialysis concentrated acidic stream, suitable for being employed as feeding solution in the consecutive fed-batch culture Volatile fatty acids system for PHAs production. Polyhydroxyalkanoate Experiments conducted in duplicate shown that a packed bed
Chemical Engineering Journal – Elsevier
Published: Mar 15, 2018
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