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pp.443-452
To produce bioethanol from cellulosic biomass, the cellulosic biomass needs pretreatments for high efficiency saccharification. This study, thus, aims to evaluate the efficiency of several pretreatments using vegetables as a cellulosic biomass among food wastes. The evaluated pretreatment methods were acid treatment, ammonia treatment and hydrogen peroxide treatment, which were used by individual and/or incorporating method. As a result, the concentration of reducing sugar increased 4 ~ 15 times and that of glucose increased 5 ~ 26 times compared to the samples without pretreatment. The acid treatment as an individual treatment was the most efficient, and the efficiency of incorporating treatment showed higher than that of individual treatment. Besides, there were differences in the composition and content of hydrolyzed sugars although the saccharification efficiency was similar by the method of each pretreatment.
