从金还原后液中回收铂钯工艺研究

Research on Recycling of Platinum and Palladium from Golden Reduced Solution

介绍了恒邦股份公司采用新工艺回收铜阳极泥生产过程中金还原后液中的铂钯。通过实验验证采用含硫沉淀剂处理含铂钯的金还原后液的工艺技术及生产实践,对含硫沉淀剂加入量及温度进行了探讨。实践证明,当含硫沉淀剂用量为4kg/m3,反应温度为常温,铂钯的回收率可以达到99.9%以上。采用含硫沉淀剂回收金还原后液中的铂钯,具有铂钯回收率高,处理成本低,工艺简单易操作等优点,具有较高的经济效益和社会效益。

The new technology of recycling platinum and palladium from golden reduced solution in the production process of copper anode slime was introduced in Shandong Humon Smelting co.ltd.The production practice and technology was proved by the experimentation.The acidity of sulfur precipitant and temperature to the influence of recycling platinum and palladium were investigated.The practice has proved that the recovery of platinum and palladium reached 99.9%at the acidity of sulfur precipitant of 4 kg/m3 and under the normal temperature.The technology of recycling platinum and palladium with sulfur precipitant from golden reduced solution has the following advantages the product with high yield,the operation was simple and the production cost was low,the new technology with high economic and social benefits.