Technology of improving recovery of gold and silver by bottom blowing smelting of low crude copper concentrate
Received:January 10, 2019   Revised:March 08, 2019   Accepted:March 13, 2019      Published Online:December 24, 2019
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KeyWord:bottom blowing smelting;slag type;gold;silver;recovery rate
                 
AuthorInstitution
yangyingbao yimentongyeyouxiangongsi
chenwen kunmingligongdaxue
huyiping yimentongyeyouxiangongsi
yangqingfei kunmingligongdaxue
chenquankun yimentongyeyouxiangongsi
yuxiaolv yimentongyeyouxiangongsi
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Abstract:
      For Yimen copper rich oxygen bottom blowing smelting process in the problem of low gold and silver recovery rate, by adjusting the smelting slag type using SiO2-FeO-CaO ternary slag series, stable temperature in 1180 ℃~1200 ℃ intermediate and rational utilization of smelting, the recovery rates of gold and silver in the smelting process were increased from 96.99% and 97.03% to 98.25% and 98.20% respectively.
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