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采用碱压煮——液液萃取工艺处理白钨精矿不仅钨的回收率和最终产品的纯度进一步得到提高,而且适应性广,可用于处理高、低品位的白钨精矿和黑白钨混合矿,便于连续化和自动化操作。为进一步完善此种工艺,减少碱用量,提高回收率,美国R.F.Hoggett,D.K.Huggins, P.B.Queneau等人近几年来在这方面做了不少的研究工作。
The treatment of scheelite with alkali-pressure cook-liquid-liquid extraction process not only further enhances the recovery of tungsten and the purity of the final product, but also has wide adaptability and can be used for processing high and low grade scheelite and mixed monosodium tungsten Mine, easy to continuous and automated operation. In order to further improve this process, reduce the amount of alkali and increase the recovery, the United States R.F.Hoggett, D.K.Huggins, P.B.Queneau and others in recent years in this area has done a lot of research work.