Abstract
The effect of electron beam current (dose rate) on radiation pretreatment of cellulosic wastes such as sawdust and chaff with electron beam accelerator was studied. The increase of electron beam current accelerated the rate of enzymatic hydrolysis of cellulosic wastes, which were irradiated and crushed by a mechanical crusher. The fraction of powder below 200 mesh and the temperature of the irradiated samples increased with increasing electron beam current. The increase of irradiation dose led to the decrease of the time taken to crush the irradiated samples to a fine powder. The glucose yield in the enzymatic hydrolysis irradiated with 100 Mrad increased to a maximum and then decreased with increasing electron beam current.
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