发明名称 |
Method of floating calcium carbonate ore and flotation reagent therefor |
摘要 |
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.
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申请公布号 |
US5720873(A) |
申请公布日期 |
1998.02.24 |
申请号 |
US19960549852 |
申请日期 |
1996.03.01 |
申请人 |
AKZO NOBEL NV |
发明人 |
KLINGBERG, ANDERS;OLSSON, LISBETH |
分类号 |
B03D1/001;B03D1/01;C09K3/00;(IPC1-7):B03D1/02 |
主分类号 |
B03D1/001 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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