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patent of iron ore process in laos

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patent of iron ore process in laos

PROBLEM TO BE SOLVED To improve the strength of an iron ore pellet without increasing preheating energy by adding an additive for producing compound having mp equal to or lower than the preheating temp by reaction with the iron ore in the fine powdery iron ore and pelletizing SOLUTION In the fine powdery iron ore containing much high crystal water the additive for producing the

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