期刊
SEPARATION AND PURIFICATION TECHNOLOGY
卷 74, 期 1, 页码 100-107出版社
ELSEVIER
DOI: 10.1016/j.seppur.2010.05.012
关键词
Fine particle processing; Slime; Feldspar; Flotation
Fifteen percent of the total number of ores to be supplied to feldspar flotation facilities is generally comprised of fine particles under 38 mu m in size. Upgrading of these particles by current commercial beneficiation methods poses an environmental threat besides causing economic losses. In this study, an attempt was made to remove gang minerals containing Fe and Ti from a feldspathic slime sample (-38 mu m) using laboratory scale Jameson flotation cell in the presence of both anionic BD-15 and cationic G-TAP collectors. The finely sized ore was successfully upgraded to produce Na-feldspar suitable for ceramics industry. A Na-feldspar concentrate assaying 0.18% Fe2O3 + TiO2 from a slime sample containing 1.06% Fe2O3 + TiO2 at 50% recovery was obtained. (C) 2010 Elsevier B.V. All rights reserved.
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