贵金属废料是一类重要的贵金属二次资源，火法熔炼是从低品位复杂废料中富集贵金属的有效手段。对尾矿、弃渣采用火法熔炼富集的研究表明，锍中的贵金属富集倍数达到5~10倍，铂、钯、铑的直收率>90%。
Waste slag is important secondary resources of precious metals, pyrometallurgy is a effective means of enriching precious metals from low grade complex waste slag. Study of pyrometallurgy enrichment precious metals from tailings, wet abandon slag showed that, the enrichment ratio in smelting slag matte reached 5~10 times, and the recoveries of platinum, palladium, rhodium are higher than 90%.
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