NDLI: Bioethanol production from mixed biomass (waste of Undaria pinnatifida processing and paper shredding) by fermentation with marine-derived Saccharomyces cerevisiae

Content Provider	Springer Nature Link
Author	Obara, Nobuo Okai, Masahiko Ishida, Masami Urano, Naoto
Copyright Year	2015
Abstract	We examined the efficient conversion of waste biomass to bioethanol by the marine-derived yeast Saccharomyces cerevisiae (C19 strain). In this study, two kinds of cellulose biomass, (A) waste from Undaria pinnatifida processing, and (B) paper shredder scrap, were utilized as raw materials. The hydrolysate of (A), and (B) were separately saccharified with enzymes, followed by an approximately five-fold concentration, using an evaporator. Both of the concentrated, saccharified solutions from (A) and (B) were mixed in various ratios and used as substrates containing glucose at 200–300 g/l for yeast fermentation. S. cerevisiae C19 produced bioethanol at 40–90 g/l from 100 ml of the substrates, and the optimum mixing ratio of the biomass in the substrates was found to be (A):(B) = 3:7 in dried weight. Using 3.0 l of the substrate at a ratio of (A):(B) = 3:7, and glucose at 235.0 g/l, fermentation was carried out at 30 °C and a pH of 7.0 by S. cerevisiae C19 in a jar fermentor (10 l), producing 87.7 g/l of bioethanol in 5 days. The fermented solution was fractionated with a distillation apparatus and 331 ml of ethanol purified to 788.0 g/l was produced.
Starting Page	771
Ending Page	776
Page Count	6
File Format	PDF
ISSN	09199268
Journal	Fisheries Science
Volume Number	81
Issue Number	4
e-ISSN	14442906
Language	English
Publisher	Springer Japan
Publisher Date	2015-05-01
Publisher Place	Tokyo
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Bioethanol Fermentation Biomass Undaria pinnatifida Processing waste Paper shredder scrap Marine-derived yeast Saccharomyces cerevisiae Fish & Wildlife Biology & Management Freshwater & Marine Ecology Food Science
Content Type	Text
Resource Type	Article
Subject	Aquatic Science

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