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STUDY OF ABSORPTION WATER COMPOUND MATERIAL PRODUCED FROM GANGUE BENEFICIATION
Author(s): 
Pages: 10-12
Year: Issue:  2
Journal: HENAN METALLURGY

Keyword:  铝土矿选尾矿复合吸水材料;
Abstract: 我国铝土矿资源丰富,但矿石中含有较多的二氧化硅脉石成份,矿石的铝硅比较低,无法用能耗低、工艺简单的拜耳法来处理这些中低品位矿石,为此国内开发了选矿--拜耳法这一新的氧化铝生产工艺.但铝土矿选矿过程中要产出约占原矿20%的选尾矿,这些尾矿的堆存将占用大量土地,污染堆场周边环境,同时尾矿中还含有较多有用矿物成份,因此选尾矿的综合利用问题急待解决.本文介绍了用选尾矿生产复合吸水材料的实验室研究结果.研究表明,用选尾矿生产复合吸水材料具有利用率高,生产成本低,生产过程中不产生"三废"等优点,具有较好的发展应用前景.
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