<報文>塩化焙焼に関する二三の研究

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概要

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• The following reaction is presented for the chloridizing roasting : 2NaCl+S+2O_2=Na_2SO_4+Cl_2 FeS is oxidized in air and iron sulphate is observed at 350℃, being most active at 400℃. Chloridizing of FeS is observed at 400℃, being most active at 500℃. Chloridizing of Cu_2S takes place at 390℃, and the rate of reaction is most active at 460℃. Cuppric Chloride is considered to be in molten state as NaCl-CuCl_2 eutectic in the range of roasting temperature. Under the coexistence of the liquid NaCl-CuCl_2 eutectic, the following reaction takes place : CuSO_4+2NaCl=Na_2SO_4+CuCl_2.

• 東北大学の論文
• 1959-02-26

著者

• 清水 卓三

  東北大学工学部金属工学科

関連論文

• 塩化焙焼に関する二三の研究

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