PURPOSE: To obtain ethanol from the titled source in high efficiency, by immersing a slightly decomposable plant biomass source in a solution of a carboxylic acid peroxide, crushing it by a grinder to form a cellulosic substance, saccharifying it with cellulase and subjecting the saccharified substance to alcohol fermentation.
CONSTITUTION: A slightly decomposable pant biomass source is immersed in a solution of a carboxylic acid peroxide (e.g., paracetic acid, etc.,) while or before grinding or the solution is poured into a grinder and the source is crushed to give a cellulosic substance, which is saccharified with cellulase and fermented with alcohol yeast or fermented while being saccharified, to give ethanol. The cellulosic substance obtained by grinding can be directly subjected to alcohol fermentation with a bacterium belonging to the genus Clostridium.
ITO KAZUNORI
KAKIMOTO NAOHIRO
KIYOFUJI KOICHI
HANAI SHIRO
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