Utilization of whole sweet sorghum containing juice, leaves, and bagasse for bio-ethanol production

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논문

Utilization of whole sweet sorghum containing juice, leaves, and bagasse for bio-ethanol production

학술지

Food science and biotechnology

저자명

Kim, Misook; Han, Kun-Jun; Jeong, Yoonhwa; Day, Donal F.

초록

Sweet sorghum is one of the most attractive feedstocks for producing liquid fuels in the world since it is well adapted to the various land conditions and efficiently converts <TEX>$CO_2$</TEX> into sugars. Sweet sorghum was evaluated as a raw substrate for production of ethanol from the whole plant. It consists of 37% juice, 8% seed head, 36% bagasse, and 19% leaf matter which can produce ethanol via fermentation of Saccharomyces cerevisiae. Especially, starch in seeds was hydrolyzed to simple sugars by amylase. Bagasse and leaf matter were treated with calcium hydroxide at <TEX>$121^{\circ}C$</TEX> for 1 h at 15 psi before hydrolysis by cellulase. In this study, 1 ton of whole sweet sorghum contains 283 kg solid matter and 229.8 kg carbohydrates and produces 59 kg ethanol.

발행연도

2012

발행기관

Korean Society of Food Science and Technology

ISSN

1226-7708

ISSN

2092-6456

권

호

페이지

pp.1075-1080