精煉

物料的特性決定了在均質化之後採取何種加工方式。含相對高百分比金的合金需要通過在“Miller”熔爐氯化進行預精煉。

火法冶金程序初步分隔黃金，銀和銅。

所獲得的金陽極會被放在電解池裏處理。而以Miller鎔渣狀態出現的銀和銅則被送往銀電解處理。

Gold refining

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