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KMID : 0380020160310010079
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Korean Journal of Biotechnology and Bioengineering
2016 Volume.31 No. 1 p.79 ~ p.84
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Production of Biobutanol by Clostridium beijerinckii from Water Hyacinth
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Park Bong-Je
Park Hye-Min
Yun Hyun-Shik
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Abstract
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Biofuel has been considered as promising renewable energy to solve various problems that result from increasing usage of fossil fuels since the early 20th century. In terms of chemical and physical properties as fuel, biobutanol has more merits than bioethanol. It could replace gasoline for transportation and industrial demand is increasing significantly. Production of butanol can be achieved by chemical synthesis or by microbial fermentation. The water hyacinth, an aquatic macrophyte, originated from tropical South America but is currently distributed all over the world. Water hyacinth has excellent water purification capacity and it can be utilized as animal feed, organic fertilizer, and biomass feedstock. However, it can cause problems in the rivers and lakes due to its rapid growth and dense mats formation. In this study, the potential of water hyacinth was evaluated as a lignocellulosic biomass feedstock in biobutanol fermentation by using Clostridium beijerinckii. Water hyacinth was converted to water hyacinth hydrolysate medium through pretreatment and saccharification. It was found that productivity of water hyacinth hydrolysate medium on biobutanol production was comparable to general medium.
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KEYWORD
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Water hyacinth, Lignocellulosic biomass, Biobutanol, Clostridium beijerinckii, CaCO3 alginate bead
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