| 发明名称 |
FREMGANGSMAATE TIL FLOTASJON AV FYLLSTOFFER FRA PAPIRKRETSLOEPSVANN. |
| 摘要 |
<p>A process for separating fillers from paper-making circulated water by flotation, characterised in that the paper-making circulated water is treated by 1. the addition of water-soluble salts of trivalent metal ions to give pH values of between 4.5 and 9 and 2. flotation after the addition of 5 to 100 g of anionic surfactants per m<3> of circulated water.</p> |
| 申请公布号 |
NO880697(D0) |
申请公布日期 |
1988.02.17 |
| 申请号 |
NO19880000697 |
申请日期 |
1988.02.17 |
| 申请人 |
HENKEL KGAA |
发明人 |
HORNFECK, KLAUS;RYBINSKI, WOLFGANG VON |
| 分类号 |
D21C5/02;B03D1/002;B03D1/012;B03D1/018;D21F1/70;(IPC1-7):D21F/;C02F/ |
主分类号 |
D21C5/02 |
| 代理机构 |
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代理人 |
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