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Cyanide-free separation of high pyrrhotite Zn-S bulk concentrate
Minerals Engineering ( IF 4.9 ) Pub Date : 2021-07-09 , DOI: 10.1016/j.mineng.2021.107052 Cui Weiyong 1 , Liu Yingchao 2 , Liang Lixiao 2 , Chen Jianhua 1, 2
中文翻译：
高磁黄铁矿锌硫散装精矿的无氰分离
更新日期：2021-07-09
Minerals Engineering ( IF 4.9 ) Pub Date : 2021-07-09 , DOI: 10.1016/j.mineng.2021.107052 Cui Weiyong 1 , Liu Yingchao 2 , Liang Lixiao 2 , Chen Jianhua 1, 2
Affiliation
A mixture of green organic compounds (MOC) with powerful depression to both pyrite and pyrrhotite was introduced to replace NaCN in the separation of highly complicated Zn-S bulk concentrate. The results of single, batch as well as pilot flotation tests indicated its excellent selective depression in the Zn-S bulk concentrate flotation. Especially, the comparison of the pilot tests showed an evident improvement in overall concentrate grade as well as Zn recovery with the mixed depressant MOC replacing NaCN, and the corresponding values were 3.03% and 5.01%, respectively.
中文翻译：
高磁黄铁矿锌硫散装精矿的无氰分离
在分离高度复杂的 Zn-S 散装精矿中，引入了一种对黄铁矿和磁黄铁矿具有强大抑制作用的绿色有机化合物 (MOC) 混合物来代替 NaCN。单次、批量和中试浮选试验结果表明其在锌硫散装精矿浮选中具有优异的选择性抑制作用。特别是中试对比表明，混合抑制剂MOC替代NaCN后，整体精矿品位和锌回收率明显提高，相应值分别为3.03%和5.01%。
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