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首页> 外文会议>XXI International Mineral Processing Congress >EFFECT OF CALCIUM ON SPHALERITE ACTIVATION WITH COPPER
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EFFECT OF CALCIUM ON SPHALERITE ACTIVATION WITH COPPER

机译：钙对铜对闪锌矿活化的影响

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Effect of Ca on sphalerite activation by Cu was studied as a function of pH by measuring zeta potential, adsorption kinetics and recovery in micro flotation tests. The zeta potential results showed that Ca adsorbed on sphalerite. The presence of Ca resulted in a significant decrease in Cu adsorption at pH = 9.2 but had less effect at lower pH (3 and 6). The flotation results corroborated the adsorption results: recovery decreased in the presence of Ca at pH = 9.2 and pH = 11.5, but was unaffected at pH = 6.0. Since conditioning with Cu is often done at alkaline pH the observed effect of Ca could be significant.
机译：通过在微浮选试验中测量zeta电位，吸附动力学和回收率，研究了Ca对Cu闪锌矿活化的影响与pH的关系。 ζ电位结果表明Ca吸附在闪锌矿上。 Ca的存在导致pH = 9.2时Cu的吸附显着降低，但在较低pH值（3和6）下影响较小。浮选结果证实了吸附结果：在pH = 9.2和pH = 11.5的Ca存在下，回收率下降，但在pH = 6.0时回收率未受影响。由于通常在碱性pH值下使用Cu进行调理，因此观察到的Ca效果可能很明显。

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