期刊
BIORESOURCE TECHNOLOGY
卷 158, 期 -, 页码 1-6出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2014.01.083
关键词
Phanerochaete chrysosporium; Gloeophyllum trabeum; Saccharomyces cerevisiae; Escherichia coli K011; Simultaneous saccharification and fermentation (SSF)
资金
- Universiti Malaysia Sarawak (UNIMAS)
- Malaysian Ministry of Higher Education
Ethanol was produced via the simultaneous saccharification and fermentation (SSF) of dilute sodium hydroxide treated corn stover. Saccharification was achieved by cultivating either Phanerochaete chrysosporium or Gloeophyllum trabeum on the treated stover, and fermentation was then performed by using either Saccharomyces cerevisiae or Escherichia coli K011. Ethanol production was highest on day 3 for the combination of G. trabeum and E. coli K011 at 6.68 g/100 g stover, followed by the combination of P. chrysosporium and E. coli K011 at 5.00 g/100 g stover. SSF with S. cerevisiae had lower ethanol yields, ranging between 2.88 g/100 g stover at day 3 (P. chrysosporium treated stover) and 3.09 g/100 g stover at day 4 (G. trabeum treated stover). The results indicated that mild alkaline pretreatment coupled with fungal saccharification offers a promising bioprocess for ethanol production from corn stover without the addition of commercial enzymes. Published by Elsevier Ltd.
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