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http://dx.doi.org/10.7841/ksbbj.2012.27.2.086

Ethanol Production by Separate Hydrolysis and Fermentation and Simultaneous Saccharification and Fermentation Using Saccharina japonica  

Kim, Min-Ji (Department of Biotechnology, Pukyong National University)
Kim, Sung-Koo (Department of Biotechnology, Pukyong National University)
Publication Information
KSBB Journal / v.27, no.2, 2012 , pp. 86-90 More about this Journal
Abstract
Ethanol fermentations were carried out using simultaneous saccharification and fermentation (SSF) and separated hydrolysis and fermentation (SHF) processes with monosaccharides from seaweed, Saccharina japonica (sea tangle, Dasima) as the biomass. The pretreatment was carried out by thermal acid hydrolysis with $H_2SO_4$ or HCl. Optimal pretreatment condition was determined at 10% (w/v) seaweed slurry with 37.5 mM $H_2SO_4$ at $121^{\circ}C$ for 60 min. To increase the yield of saccharfication, isolated marine bacteria Bacillus sp. JS-1 was used and 48 g/L of reducing sugar were produced. Ethanol fermentation was performed using SSF and SHF process with Pachysolen tannophilus KCTC 7937. The ethanol concentration was 6.5 g/L by SSF and 6.0 g/L by SHF.
Keywords
Ethanol; Saccharina japonica; Pachysolen tannophilus; thermal acid hydorolysis;
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Times Cited By KSCI : 2  (Citation Analysis)
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