环保型浸金剂与氰化钠对比试验研究
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摘要
针对毕力赫金矿矿石性质,考察了环保型浸金剂与氰化钠的浸出效果。结果表明:在相同工艺条件下,环保型浸金剂的浸金指标与氰化钠相当,且生产成本相差不大;磨矿细度-0.074 mm占90%,环保型浸金剂用量1.2 kg/t,浸出时间48 h时,金浸出率可达到92.59%。该环保型浸金剂浸出率高,生产成本低,可以替代氰化钠进行浸金作业,具有良好的应用前景。
According to the gold ore properties in Bilihe Gold Mine,the paper investigated the leaching effect of environmentally friendly agent and sodium cyanide.The results show that under the same process conditions,the leaching index and production cost of environmentally friendly agent and sodium cyanide are close;with grinding fineness of 90 %-0.074 mm,environmentally friendly agent dosage of 1.2 kg/t,leaching time of 48 h,the gold leaching rate can reach 92.59 %.The environmentally friendly leaching agent has high leaching rate and low production cost,making it an alternative to replace sodium cyanide in gold leaching process and showing good application potentials.
According to the gold ore properties in Bilihe Gold Mine,the paper investigated the leaching effect of environmentally friendly agent and sodium cyanide.The results show that under the same process conditions,the leaching index and production cost of environmentally friendly agent and sodium cyanide are close;with grinding fineness of 90 %-0.074 mm,environmentally friendly agent dosage of 1.2 kg/t,leaching time of 48 h,the gold leaching rate can reach 92.59 %.The environmentally friendly leaching agent has high leaching rate and low production cost,making it an alternative to replace sodium cyanide in gold leaching process and showing good application potentials.
引文
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[3]钟俊.非氰浸金技术的研究及应用现状[J].黄金科学技术,2011,19(6):57-61.
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[5]李德良,唐鹤,夏畅斌.一种温和的硫脲浸金工艺研究[J].湿法冶金,1998(4):7-10.
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[7]凌敏,陈超球.金矿的溴氧化浸出工艺试验[J].有色金属(冶炼部分),2004(1):27-30.
[8]李桂春,王会平.用碘-碘化物溶液从含金矿石中提取金[J].黑龙江科技学院学报,2005,15(6):339-342.
[9]傅平丰,孙春宝,康金星,等.石硫合剂法浸金的原理、稳定性及应用研究进展[J].贵金属,2012,33(2):67-70.
[10]王政德.氨性硫代硫酸盐对提高低品位金浸出率的试验研究[J].黄金,1995,16(2):42-45.
[11]罗仙平,严群,彭会清,等.用胺类萃取剂从多硫化物含金贵液中萃取金的研究[J].四川有色金属,2003(4):20-24.
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[13]长春黄金研究院.苏尼特金曦黄金矿业有限责任公司含金矿石炭浆法提金试验研究报告[R].长春:长春黄金研究院,2010.