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Ring formation as a troublesome problem for grate-kiln production of iron-ore oxide pellet makes the quality of pellet declining, production efficiency reducing, and production cost increasing. Pellet powder and coal ash are the raw material of ring. Bonding strength, microstructure and composition of coal ash, iron-ore pellet powder, and their mixed powder were investigated to analyze the effect...
Preparation of highly developed mesoporous activated carbons from renewable source Arundo donax Linn was performed using H 4 P 2 O 7 as activator. The influences of chemical impregnation ratio (mass of H 4 P 2 O 7 :A. donax Linn), activation temperature and soaking time on the properties (yield, BET surface area, pore volume and surface functional group)...
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