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首页> 外文期刊>Mineral Processing and Extractive Metallurgy Review >EFFECT OF H_2O_2 AND NaSH ADDITION TO CHANGE THE ELECTROCHEMICAL POTENTIAL IN FLOTATION OF CHALCOPYRITE AND PYRITE MINERALS
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EFFECT OF H_2O_2 AND NaSH ADDITION TO CHANGE THE ELECTROCHEMICAL POTENTIAL IN FLOTATION OF CHALCOPYRITE AND PYRITE MINERALS

机译：硫铁矿和硫铁矿矿物浮选中H_2O_2和NaSH的添加对改变电化学势的影响

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摘要

The floatability of sulfide minerals can be affected by the redox conditions on particle surface and in the pulp and can be used as one of the parameters for the separation of sulfide minerals. In the present study, the presence of reducing and oxidizing agents in the pulp is investigated for pure samples of chalcopyrite and pyrite. A good correlation, between pulp potential and recovery of chalcopyrite and pyrite was found when the potential was varied by addition of H_2O_2 and NaSH as oxidizing and reducing agents, respectively. In general, flotation is possible in the mildly to moderately oxidizing region and in slight or absent in reducing solutions for sulfide minerals.
机译：硫化物矿物的漂浮性会受到颗粒表面和纸浆中氧化还原条件的影响，并且可用作分离硫化物矿物的参数之一。在本研究中，对纯黄铜矿和黄铁矿样品中纸浆中还原剂和氧化剂的存在进行了研究。当分别通过添加H_2O_2和NaSH作为氧化剂和还原剂改变电位时，纸浆电位与黄铜矿和黄铁矿的回收率之间具有良好的相关性。通常，在轻度至中度氧化区域中浮选是可能的，而在硫化物矿物的还原溶液中则很少或根本没有浮选。

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