The test results show that the combined collectors can not only improve t he separation results of Cu, Au and Ag, but also reduce reagent and lime dosages without any change in process flowsheet and increase in facilities.

• 结果表明，在不改变工艺流程，不增加设施的情况下，不但提高了铜、金、银的选别指标，而且还可以减少药剂用量和石灰用量，降低生产成本。