贵铅是指铅与贵金属形成的铅合金。熔融的金属铅是贵金属的良好捕集剂,这一特性被用于试金分析和贵金属的提炼,称为贵铅熔炼。早在古代就知道了从贵铅中提取金、银的灰吹法。在近代,贵铅熔炼成为处理铜、铅阳极泥的一个重要过程,也是从各种废旧金属器件中回收金、银的主要方法之一。
该工艺锑的脱除率高,流程短,低能耗和无污染,可直接得到贵铅。
The test results prove that this technology can produce precious lead directly with no pollution, lower energy consumption. short process flow and high removing rate of antimony.
从含高铜、铅、锌贵液中直接用锌粉置换回收金,效果差。
When gold is recovered from pregnant solution highly containing Cu, Pb, Zn by zinc dust precipitation, the effect is disappointing.
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