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A vibration mill, called a “tandem-ring mill”, which has cog-ring media in place of the ball medium of a conventional vibration mill, was developed to achieve high-impact pulverization of lignocellulosic biomass for bio-ethanol production. This study investigated pulverization characteristics of various biomass samples of Japanese cedar, eucalyptus, rice straw, rice husk, and reeds using a batch-type...
The capacity of rice husk activated carbon (RHAC) to adsorb refractory sulfur compounds of dibenzothiophenes (DBTs) from commercial kerosene was evaluated in terms of their textural and chemical characteristics. Rice husk activated at 850°C for 1h showed an acceptable adsorption capacity for DBTs, despite a much lower specific surface area (473m 2 /g) and total pore volume (0.267cm 3 ...
Release behavior of sodium and potassium was followed during pyrolysis of coals in a nitrogen stream up to 1200 o C. Sodium and potassium in coal and char were classified into five fractions by a serial dissolution method with H 2 O, CH 3 COONH 4 , HCl, H 2 SO 4 and HF solutions. Distribution of selenium in coal matrix and its release behavior were observed...
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