日本鉱業会誌
Online ISSN : 2185-6729
Print ISSN : 0369-4194
水素による磁鉄鉱および酸化磁鉄鉱の直接還元
上田 卓弥土屋 喜久男末広 建介
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1964 年 80 巻 911 号 p. 453-459

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For the purpose of obtaining process engineering data of reduction of magnetite and roasted magnetite with hydrogen, the rate controlling steps of the reaction as well as the time required for the completion of the reaction were determined with a thermobalance and a fluidized bed reactor. The rate constant of reduction at interface was calculated. In order to reduce magnetite particles with hydrogen as short a time as possible, the good process was concluded to be the combination of fludized oxidative roasting and fludizing reduction.

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© The Mining and Materials Processing Institute of Japan
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