NDLI: Efficient production of bioethanol from corn stover by pretreatment with a combination of sulfuric acid and sodium hydroxide.

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Efficient production of bioethanol from corn stover by pretreatment with a combination of sulfuric acid and sodium hydroxide.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Tan, Li Tang, Yue-Qin Nishimura, Hiroto Takei, Shouta Morimura, Shigeru Kida, Kenji
Description	Country affiliation: Japan Author Affiliation: Tan L ( Graduate School of Science and Technology, Kumamoto University, Kumamoto City, Kumamoto, Japan.)
Abstract	Corn stover is the most abundant agricultural residue in China and a valuable reservoir for bioethanol production. In this study, we proposed a process for producing bioethanol from corn stover; the pretreatment prior to presaccharification, followed by simultaneous saccharification and fermentation (SSF) by using a flocculating Saccharomyces cerevisiae strain, was optimized. Pretreatment with acid-alkali combination (1% H2SO4, 150 °C, 10 min, followed by 1% NaOH, 80°C, 60 min) resulted in efficient lignin removal and excellent recovery of xylose and glucose. A glucose recovery efficiency of 92.3% was obtained by enzymatic saccharification, when the pretreated solid load was 15%. SSF was carried out at 35 °C for 36 hr after presaccharification at 50 °C for 24 hr, and an ethanol yield of 88.2% was achieved at a solid load of 15% and an enzyme dosage of 15 FPU/g pretreated corn stover.
File Format	HTM / HTML
ISSN	10826068
Issue Number	7
Volume Number	43
e-ISSN	15322297
Journal	Preparative Biochemistry and Biotechnology
Language	English
Publisher	Taylor & Francis
Publisher Date	2013-01-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Biochemistry Discipline Biotechnology Ethanol Chemical Synthesis Fermentation Sodium Hydroxide Chemistry Sulfuric Acids Zea Mays Biotechnology Methods Glucose Metabolism Hydrolysis Lignin Saccharomyces Cerevisiae Journal Article
Content Type	Text
Resource Type	Article
Subject Domain (in MeSH)	Eukaryota Inorganic Chemicals Organic Chemicals Macromolecular Substances Carbohydrates Chemical Phenomena Natural Science Disciplines
Subject	Biotechnology Biochemistry Medicine

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