The gold recovery of calcine cyanidation reached 90 percent.
焙砂提金，金的氰化浸出率达到90 %。
There are many valuable metals in the cyanidation tailings, such as gold, silver, copper and lead.
对于黄金矿山来说，氰化尾渣中尚有可回收的金、银、铜、铅等有价金属元素。
Pressurizing oxidation cyanidation was studied by using " quick gold extracting reaction container ".
采用“高效浸金反应器”研究了加压氧化-氰化法提金新工艺。
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