Cobalt metal

Japanese: 金属コバルト - きんぞくこばると
Cobalt metal

…In Japan, a unique technology has been developed to produce cobalt from this concentrate. The mixed sulfides are oxidized and dissolved with high-temperature sulfuric acid (170°C) under oxygen pressure, and the solution is purified by solvent extraction, and metallic cobalt is produced by electrowinning.
[Application]
Metallic cobalt does not have many uses other than as a catalyst in the synthesis of oil by the Fischer process, but as an alloy it has many important uses, as follows:

*Some of the terminology that refers to "metallic cobalt" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…日本では現在この精鉱からコバルトを製造する独自の技術が開発されている。混合硫化物を酸素加圧条件下,高温硫酸(170℃)で酸化溶解したのち溶媒抽出によって溶液を精製し,電解採取法によって金属コバルトを製造する。
[用途]
 金属コバルトはフィッシャー法による石油合成の触媒として用いられる程度で,あまり用途はないが,合金としては次に記すように非常に多くの重要な用途がある。…

※「金属コバルト」について言及している用語解説の一部を掲載しています。

出典|株式会社平凡社世界大百科事典 第2版について | 情報

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