溶銅中の微量酸素およびイオウの除去精製

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タイトル別名
  • Removal of Trace Oxygen and Sulfur in Liquid Copper
  • ヨウドウチュウ ノ ビリョウ サンソ オヨビ イオウ ノ ジョキョ セイセイ

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説明

The experimental studies on the basis of theoretical informations have been carried out for the removal of trace oxygen and sulfur in liquid copper.<BR>Analytical values of oxygen in copper were compared with those calculated from emf values of a zirconia solid electrolyte galvanic cell. The oxygen in copper could be removed to around 1 mass ppm by either hydrogen gas or carbon reduction.<BR>The sulfur in copper could be removed to less than 0.05 mass ppm by adding oxygen and exhausting as SO2 gas.<BR>This method was proved to be a simple and efficient pyro-metallurgical process for the removal of trace gas elements in liquid copper.

収録刊行物

  • 日本金属学会誌

    日本金属学会誌 53 (6), 593-600, 1989

    公益社団法人 日本金属学会

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