研究了含砷难浸浮选金精矿的预处理。
The pretreatment of arsenical refractory floatation gold concentrate was studied.
半工业试验对浮选金精矿和高品位原矿平均金浸出率达86．01％。
The average leaching recovery of gold reaches 86.01% from high grade raw ore and flotation concentrate of gold in pilot test.
对浮选金精矿采用细菌预氧化—氰化浸出工艺，金浸出率可达到92.73%。
However, when the technology of bacterial pre-oxidation and cyanide leaching for flotation concentrate of gold is used, the leaching rate of 92.73% is reached.
主要介绍某含砷浮选金精矿细菌氧化提金工艺的试验研究成果，工艺流程设计及生产情况。
This article mainly describes testing results, process design and production aspects of bacterial oxidation extraction for a kind of arsenic flotation gold concentrate.
新技术特别适合处理浮选金精矿，所用的乳化液膜应该是油包水型、且含流动载体的液膜。
Ther new technique is especially fit to treat flotation gold concentrate. The emulsified liquid membrane must be oil water (oil wrapped water) and contain flowing carrier.
微波预处理方法能有效地促进广西贵港高砷浮选金精矿的浸出，微波预处理后，矿样变得极易浸出，理论浸出率在97%以上。
The microwave pretreatment can promote availably the gold leaching , after treatment, the gold become leach easy, the most top theory leach rate is 97.03%.
本文论述了氰化炭浸法提金工艺应用于吉林市金矿浮选含金流精矿的生产工艺过程、作业条件和实践经验。
This paper discussed the technology, operation conditions and practical experience of CIL process used in the floatation of gold-bearing sulphide concentrates in the Jilin gold Mine.
研究表明，浮选可获得品位较高的含碳质金精矿。
It's proved that high grade carbonaceous gold concentrate can be obtained by floatation.
混合浮选产出锌、金混合精矿，氰化浸金，氰化渣作为锌精矿销售。
The bulk concentrate is produced by bulk floatation, from which the gold is recovered by cyanide leaching, and the residue is directly sold as zinc concentrate.
研究结果表明，充填式浮选机浮选性能优于普通浮选机。在相同的浮选条件下，金精矿品位与金回收率都高于普通浮选机。
The results showed the gold recovering performance of the packed float cell is better and the gold grade of concentrates and the gold recovery are higher as compared with the ordinary float cell .
依据矿物学特性，提出了“原矿浮选—精矿氧化焙烧— 氰化浸金—活性炭吸附金”的选冶联合工艺流程，金选冶总回收率达83．91％。
Based on the properties, a combined flowsheet of flotation-roasting in air -cyanidation-active carbon absorption was developed. The overall recovery of Au is of 83. 91%.
依据矿物学特性，提出了“原矿浮选—精矿氧化焙烧— 氰化浸金—活性炭吸附金”的选冶联合工艺流程，金选冶总回收率达83．91％。
Based on the properties, a combined flowsheet of flotation-roasting in air -cyanidation-active carbon absorption was developed. The overall recovery of Au is of 83. 91%.
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