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冶炼废渣综合回收铀、铌、钽和锡

World Nuclear Geoscience(2012)

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Abstract
根据某冶炼尾渣的成分和矿物特性,研究了铀、铌、钽和锡的回收工艺。开发出酸浸提铀-重选抛尾-弱磁选回收铌、钽-强磁选除铁回收锡的联合工艺流程。铀浸出率大于80%;铌、钽品位大于31%,回收率大于80%;锡精矿品位大于62%,回收率大于65%,锡精矿经放射性去污后,其放射性水平基本符合有色冶金行业标准。
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Key words
niobium,tantalum,uranium,tin,smelter tailings
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