FLOTATION METHOD FOR REMOVING COLORED IMPURITIES FROM KAOLIN CLAY |
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| 申请号 | PCT/US0144224 | 申请日 | 2001-11-26 | 公开(公告)号 | WO0243871A3 | 公开(公告)日 | 2003-02-13 |
| 申请人 | ENGELHARD CORP; | 发明人 | MATHUR SHARAD; BROOKS RONNIE E; FINCH ERNEST M; | ||||
| 摘要 | An improved method for purifying titania contaminated kaolin clay by froth flotation which features the use an hydroxamate flotation collector at a neutral or mildly alkaline pH wherein a slurry of the impure clay is conditioned for the flotation step in a baffled conditioning apparatus provided with mean for imparting sufficient mechanical energy to heat a dispersed slurry of the impure clay before flotation. | ||||||
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| 说明书全文 | |||||||
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