选矿脱硅对铝土矿资源利用率的影响研究  

A study of influence of desilication through ore dressing on utilization of bauxite resources

作　　者：黄国智[1] 方启学[1] 郑桂兵[1] 

机构地区：[1]北京矿冶研究总院

出　　处：《世界有色金属》2002年第6期39-42,共4页World Nonferrous Metals

摘　　要：本文针对选矿-拜耳法工艺的经济性与资源利用率之间可能存在的问题开展了分析研究。铝土矿资源利用率高低首先与采用工艺相关,拜耳法的资源利用率低于烧结法。当选矿尾矿铝硅比低于拜耳法赤泥铝硅比时,提高精矿铝硅比不仅将提高经济效益而且不降低资源的利用率。A study on probably exist between utilization of bauxite resources and eco-nomic performances of the technology of Ore Dressing-Bayer Process.As a result,the degree of utilization of bauxite resources by the Bayer Process is lower than that by the Sintering Process.Moreover,when the ratio of aluminum to silicon of the tailing resulted from ore dressing is lower than that of the red mud resulted from ore processing with Bayer Process,to improve on ratio of aluminum to silicon can not only better economic benefits but also main-tain utilization of bauxite resources.

关 键 词：选矿 脱硅 铝土矿 资源利用率 氧化铝 

分 类 号：TD952.5[矿业工程—选矿] TF821[冶金工程—有色金属冶金]