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Publication Type J
Authors Alassali, A., I. Cybulska, A. R. Galvan and M. H. Thomsen
Title Wet fractionation of the succulent halophyte Salicornia sinus-persica, with the aim of low input (water saving) biorefining into bioethanol
Source Applied Microbiology and Biotechnology
Author Keywords Salicornia sinus-persica Halophyte Biomass Green biorefinery Bioethanol Hydrothermal pretreatment yeast saccharomyces-cerevisiae hydrothermal pretreatment fermentation bigelovii straw hydrolysis biomass scale crops
Abstract In this study Salicornia sinus-persica, a succulent halophyte was assessed for its potential to be used as a feedstock for bioethanol production. For such succulent, salty, green biomasses, direct fractionation and fermentation allow for water preservation in the process. Fresh biomass of S. sinus-persica was collected and split into two fractions by wet fractionation; liquid (juice) and solid (pulp). Sugar contents were found to be 1.0-1.5% for the juice fraction and 50% (w/w) for the fresh pulp. Direct fermentation of the juice using Saccharomyces cerevisiae showed no salt inhibition of the yeast and ethanol yields of similar to 70% were achieved. A pretreatment study was carried out for the pulp fraction applying mild hydrothermal pretreatment. Cellulose convertibility was found to be significantly higher for severity factors above 2.00, and the highest ethanol yield (76.91 +/- 3.03%) was found at process severity of 3.06 (170 A degrees C, 10 min).
Author Address [Alassali, Ayah; Cybulska, Iwona] Masdar Inst Sci & Technol, Inst Ctr Energy, POB 54224, Abu Dhabi, U Arab Emirates. [Galvan, Alejandro Rios] Masdar Inst Sci & Technol, Sustainable Bioenergy Res Consortium, POB 54224, Abu Dhabi, U Arab Emirates. [Thomsen, Mette Hedegaard] Aalborg Univ, Dept Energy Technol, Niels Bohrsvej 8, DK-6700 Esbjerg, Denmark. Thomsen, MH (reprint author), Aalborg Univ, Dept Energy Technol, Niels Bohrsvej 8, DK-6700 Esbjerg, Denmark. aalassali@masdar.ac.ae; iwonacybulska84@gmail.com; ariosg@masdar.ac.ae; Mette.h.thomsen.ad@gmail.com
ISSN 0175-7598
ISBN 0175-7598
29-Character Source Abbreviation Appl. Microbiol. Biotechnol.
Publication Date Feb
Year Published 2017
Volume 101
Issue 4
Beginning Page 1769-1779
Digital Object Identifier (DOI) 10.1007/s00253-016-8049-8
Unique Article Identifier WOS:000393687400039

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