Abstract
In this study, a continuation high-impact pulverizing vibration mill, which replaces the ball medium with a ring shape medium called tandem ring was developed for effective pretreatment of lignocellulosic biomass to produce the bio-ethanol. The pulverizing effects of the mill were investigated through a repeatedly pulverizing examination of Japanese cedarwood on its particle size distribution, moisture content and enzymatic saccharification efficiency. As the results, average particle size was reached around 22μm at the ten times pulverization at 1600cpm. An enzymatic saccharification efficiency of holocellulose was reached over 50% at the twenty times pulverization. Additionally its power consumption was one-third as large as the conventional the batch-type high-impact pulverizing vibration mill. Therefore the continuation high-impact pulverizing vibration mill had a better pulverizing performance for lignocellulosic biomass pretreatment.
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