从某氰化尾渣中回收金的研究  

Experimental Research on Recycling Gold from Cyanide Residue

作　　者：喻明军[1] 焦芬[2] YU Ming-jun;JIAO Fen(Zhongye Changtian International Engineering Co Ltd,Changsha 410005,Hunan,China;School of MineralsProcessing and Bioengine ering,Central South University,Changsha 410083,Hunan,China)

机构地区：[1]中冶长天国际工程有限责任公司,湖南长沙410005 [2]中南大学资源加工与生物工程学院,湖南长沙410083

出　　处：《矿冶工程》2018年第2期66-69,共4页Mining and Metallurgical Engineering

摘　　要：针对辽宁某金矿氰化尾渣泥化严重且其中载金矿物被强烈抑制的问题,进行了脱泥试验和浮选药剂条件试验,最终提出磨矿-矿泥分散和抑制-硫化矿活化浮选工艺流程,采用碳酸钠和水玻璃为组合调整剂,戊黄药和丁铵黑药为组合捕收剂,硫酸铜为活化剂,金回收效果明显,金精矿中金品位从4.87 g/t提升至26.03 g/t,回收率为65.12%。In order to resolve problems such as serious sliming and severe depression of gold-bearing minerals of a cyanide residue from a gold mine in Liaoning Province,flowsheets like grinding-slime dispersion and depression-flotation of activated sulfide minerals were proposed based on tests of desliming and flotation reagent. With sodium carbonate and water glass as regulators,amyl xanthate and ammonium dibutyl dithiophosphate as collectors,and copper sulfate as an activator,Au grade of the obtained gold concentrate was increased from 4. 87 g/t to 26. 03 g/t with the corresponding65.12% recovery.

关 键 词：氰化尾渣 金 重选 提金 脱泥 浮选 

分 类 号：TD982[矿业工程—选矿]