| 发明名称 |
VERFAHREN UND REAGENZ ZUR FLOTATION VON KALZIUMKARBONATERZ |
| 摘要 |
<p>PCT No. PCT/SE94/00376 Sec. 371 Date Mar. 1, 1996 Sec. 102(e) Date Mar. 1, 1996 PCT Filed Apr. 27, 1994 PCT Pub. No. WO94/26419 PCT Pub. Date Nov. 24, 1994The invention relates to a method of floating calcium carbonate ore containing silicates as impurities. Floatation is performed in the presence of a quaternary ammonium compound and an alkylene oxide adduct of an amine compound. The silicate being concentrated in the float.</p> |
| 申请公布号 |
DE69422618(T2) |
申请公布日期 |
2001.02.01 |
| 申请号 |
DE1994622618T |
申请日期 |
1994.04.27 |
| 申请人 |
BEROL NOBEL AB, STENUNGSUND |
发明人 |
KLINGBERG, ANDERS;OLSSON, LISBETH |
| 分类号 |
B03D1/001;B03D1/01;C09K3/00;(IPC1-7):B03D1/01 |
主分类号 |
B03D1/001 |
| 代理机构 |
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