Zinc concentrate

Japanese: 亜鉛精鉱 - あえんせいこう
Zinc concentrate

…The behavior of cadmium during zinc smelting has become an issue, and now it is important to recover it completely. After being crushed and pulverized, the ore extracted from the mine is separated from gangue, copper minerals, lead minerals, etc. by flotation to produce zinc concentrate, which contains 50-58% zinc. There are two smelting methods for producing metallic zinc from zinc concentrate: dry and wet. …

*Some of the terminology that refers to "zinc concentrate" is listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

Japanese:

…亜鉛製錬の際のカドミウムの挙動が問題になっている現在,完全に回収することが重要である。鉱山から採掘された鉱石は,破砕,粉砕後,浮遊選鉱で,脈石,銅鉱物,鉛鉱物などと分離され,亜鉛を50~58%含む亜鉛精鉱とされる。亜鉛精鉱を原料として金属亜鉛を作る製錬法には乾式法と湿式法とがある。…

※「亜鉛精鉱」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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