Optimization of Bioethanol Production Using Whole Plant of Water Hyacinth as Substrate in Simultaneous Saccharification and Fermentation Process

Water hyacinth was used as substrate for bioethanol production in the present study. Combination of acid pretreatment and enzymatic hydrolysis was the most effective process for sugar production that resulted in the production of 402.93 mg reducing sugar at optimal condition. A regression model was...

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Published inFrontiers in microbiology Vol. 6; p. 1411
Main Authors Zhang, Qiuzhuo, Weng, Chen, Huang, Huiqin, Achal, Varenyam, Wang, Duanchao
Format Journal Article
LanguageEnglish
Published Switzerland Frontiers Media S.A 07.01.2016
Subjects
bioethanol
Microbiology
optimization methods
rsm
SSF
Water hyacinth
bioethanol
optimization methods
water hyacinth
RSM
SSF
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Summary:Water hyacinth was used as substrate for bioethanol production in the present study. Combination of acid pretreatment and enzymatic hydrolysis was the most effective process for sugar production that resulted in the production of 402.93 mg reducing sugar at optimal condition. A regression model was built to optimize the fermentation factors according to response surface method in saccharification and fermentation (SSF) process. The optimized condition for ethanol production by SSF process was fermented at 38.87°C in 81.87 h when inoculated with 6.11 ml yeast, where 1.291 g/L bioethanol was produced. Meanwhile, 1.289 g/L ethanol was produced during experimentation, which showed reliability of presented regression model in this research. The optimization method discussed in the present study leading to relatively high bioethanol production could provide a promising way for Alien Invasive Species with high cellulose content.
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Edited by: Pankaj K. Arora, Yeungnam University, South Korea
This article was submitted to Microbiotechnology, Ecotoxicology and Bioremediation, a section of the journal Frontiers in Microbiology
Reviewed by: Uwe Strotmann, Westfälische Hochschule, Germany; Sachin Kumar, Sardar Swaran Singh National Institute of Renewable Energy, India
ISSN:1664-302X
1664-302X
DOI:10.3389/fmicb.2015.01411