铂钯精矿提纯工艺与产业化设计

Energy Saving of Non-ferrous Metallurgy(2021)

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Abstract
根据某铜冶炼企业铂钯精矿的特点,钯提纯工艺设计为"洗矿→盐酸酸浸除杂→氯化浸出→亚硫酸钠还原金→铂钯沉淀→铂钯分离→钯还原",铂提纯工艺设计为"氯铂酸铵还原→氯化浸出→氯化铵沉铂→煅烧",并进行提纯工艺匹配设备选型与产业化设计,在生产实践基础上进行经济效益简析.结果表明,铂、钯回收率分别为95.0%、98.5%以上,年可回收12.0 kg铂粉、107.6 kg钯粉,年增加收益达6158万元,年投资成本约67万元,项目经济效益显著.
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