某低品位白钨矿浮选试验研究

China Mining Magazine(2019)

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Abstract
为提高矽卡岩型白钨矿浮选粗精矿品位,降低后续加温精选成本,开展了低品位钨矿抑制剂研究.采用自主研制的WT-1有机抑制剂,通过两次粗选,粗精矿合并,可获得WO3品位为4.04%,回收率为84.21%的白钨粗精矿.红外光谱分析结果表明WT-1分别在萤石和方解石表面上发生了化学吸附,未在白钨矿表面发生化学吸附.在保持粗精矿回收率不变的前提下,白钨粗精矿WO3品位提高了1倍左右,精选加温成本可减少将近一半.
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Key words
flotation,low-grade
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