Fe-SiによるMgO·CaOの還元について

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書誌事項

タイトル別名
  • On the Reduction of MgO-CaO by Fe-Si. (Study on the Production of Metallic Magnesium by the Reduction Method, 2nd Report)
  • Fe-SiによるMgO・CaOの還元について
  • Fe-Si ニ ヨル MgO CaO ノ カンゲン ニ ツイテ

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抄録

By studing the reduction of MgO·CaO by Fe-Si, the following results were obtained. (1) The yield of magnesium increases with temperature and the activation energy is found to be 55,000 cal/mol. (2) The amount of magnesium produced per unit charge shows a maximum at about mol ratio MgO/Si=1. (3) The addition of CaO increases the yield of magnesium and of Al2O3 or Fe2O3 decreases it. (4) By X-ray diffraction method, not only 2CaO·SiO2 but also 3CaO·2SiO2 were found in the residue produced in the reduction of MgO-CaO by Fe-Si. (5) There is not a great difference between Fe-Si and Ca-Si reduction in yield of magnesium and activation energy, but the cost of the reducing material Ca-Si is about 1.4 times as high as that of Fe-Si.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 23 (3), 152-156, 1959

    公益社団法人 日本金属学会

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