Bioresource Technology 249 (2018) 858–868 Contents lists available at ScienceDirect Bioresource Technology journal homepage: www.elsevier.com/locate/biortech Targeted poly(3-hydroxybutyrate-co-3-hydroxyvalerate) bioplastic production from carbon dioxide a, b c a Stef Ghysels , Md. Salatul Islam Mozumder , Heleen De Wever , Eveline I.P. Volcke , Linsey Garcia-Gonzalez Ghent University, Department of Biosystems Engineering, Coupure Links 653, 9000 Gent, Belgium Shahjalal University of Science and Technology, Department of Chemical Engineering and Polymer Science, Sylhet, Bangladesh Flemish Institute for Technological Research (VITO), Business Unit Separation and Conversion Technology, Boeretang 200, 2400 Mol, Belgium GR APHICAL A BSTRACT ARTICLE I NFO ABSTRACT Keywords: A microbial production process was developed to convert CO and valeric acid into tailored poly(3-hydro- Gas fermentation xybutyrate-co-3-hydroxyvalerate) (PHBV) bioplastics. The aim was to understand microbial PHBV production in Poly(3-hydroxybutyrate-co-3-hydroxyvalerate) mixotrophic conditions and to control the monomer distribution in the polymer. Continuous sparging of CO Carbon capture and utilization with pulse and pH-stat feeding of valeric acid were evaluated to produce PHBV copolyesters with predeﬁned Modelling properties. The desired random monomer distribution was obtained by limiting the valeric acid concentration −1 1 13 (below 1 g L ). H-NMR, C-NMR and chromatographic analysis of the PHBV copolymer conﬁrmed both the monomer distribution
Bioresource Technology – Elsevier
Published: Feb 1, 2018
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