Journal
BIORESOURCE TECHNOLOGY
Volume 103, Issue 1, Pages 186-191Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.biortech.2011.10.020
Keywords
Pentose fermentation; Lignocellulose hydrolysate; Caloramator; Bioethanol; Continuous fermentation
Funding
- Swedish International Development Cooperation Agency (SIDA)
- Swedish Agency for Research Cooperation with Developing Countries (SAREC)
- Higher Education Commission of Pakistan
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The recently isolated anaerobic bacterium Caloramator boliviensis with an optimum growth temperature of 60 degrees C can efficiently convert hexoses and pentoses into ethanol. When fermentations of pure sugars and a pentose-rich sugarcane bagasse hydrolysate were carried out in a packed bed reactor with immobilized cells of C. boliviensis, more than 98% of substrates were converted. Ethanol yields of 0.40-0.46 g/g of sugar were obtained when sugarcane bagasse hydrolysate was fermented. These features reveal interesting properties of C. boliviensis in producing ethanol from a renewable feedstock. (C) 2011 Elsevier Ltd. All rights reserved.
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