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现代矿业 2016, Vol. 32 Issue (10) :48-50    DOI:
矿物加工工程 最新目录 | 下期目录 | 过刊浏览 | 高级检索 << Previous Articles | Next Articles >>
陕西某金矿氰化尾渣的浮选活化试验
张斌,冯炎飞,王雪彬 *
陕西煎茶岭镍业有限公司
Experiment on Activate Flotation of Gold Mine Cyanide Tailings from Shaanxi
Zhang Bin,Feng Yanfei,Zhang Yong*
Shaanxi Jianchaling Nickel Industry Co., Ltd.

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摘要 陕西某金矿选厂外购金矿氰化尾渣回收金,尾渣金品位2.21 g/t,载金矿物黄铁矿部分氧化,浮选提金难度较大。为确定合适的活化剂,进行硫酸铵和硫酸铜浮选活化试验。结果表明,该尾渣磨矿至-0.044 mm 92%进行 3粗1扫—粗精矿合并精选提金,使用硫酸铵作活化剂可获得金品位33.80 g/t、回收率39.79%的精矿。相比硫酸铜,精矿金品位和回收率分别提高了6.9 g/t、1.07个百分点,且尾矿硫含量更低。因此可以使用硫酸铵代替硫酸铜作为该金矿氰化尾渣浮选的活化剂,且经济效益显著,可供类似尾渣浮选回收金参考。
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张斌
冯炎飞
王雪彬
关键词氰化尾渣   硫酸铵   硫酸铜   活化剂     
Abstract: Gold was recovered from outsourcing gold cyanide tailings from a gold plant of Shaanxi. Gold grade of tailings is 2.21 g/t, gold carrier mineral pyrite is partial oxidized, gold recovery by flotation of is difficult. To find the appropriate activator, activation flotation experiment was carried out using ammonium sulfate and copper sulfate. Results show that the tail slag ground to -0.044 mm 92% and via three roughing-one scavenging, rough concentrates mixed and selected gold, when using ammonium sulfate as the activator, concentrate with gold grade of 33.80 g/t and recovery of 39.78% was obtained. Compared with copper sulfate, gold grade and recovery increased 6.9 g/t and 1.07 percentage points, and with lower sulfur content in tailings. So ammonium sulfate can be used instead of copper sulfate as the gold cyanide tailings activating flotation, and the economic benefit is remarkable, results can be used for reference in the similar tailings flotation for gold recovery.
KeywordsCyanide Tailings   Ammonium sulfate   Copper sulfate   Activator     
引用本文:   
张斌, 冯炎飞, 王雪彬.陕西某金矿氰化尾渣的浮选活化试验[J]  现代矿业, 2016,V32(10): 48-50
ZHANG Bin, FENG Yan-Fei, WANG Xue-Bin.Experiment on Activate Flotation of Gold Mine Cyanide Tailings from Shaanxi[J]  Modern Mining, 2016,V32(10): 48-50
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