| 发明名称 |
A PROCESS FOR THE FLOTATION OF FILLERS FROM CIRCULATING WATERS IN PAPER MANUFACTURE |
| 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 |
AU601823(B2) |
申请公布日期 |
1990.09.20 |
| 申请号 |
AU19880013069 |
申请日期 |
1988.03.14 |
| 申请人 |
HENKEL KOMMANDITGESELLSCHAFT AUF AKTIEN |
发明人 |
KLAUS HORNFECK;DR. WOLFGANG VON RYBINSKI |
| 分类号 |
D21C5/02;B03D1/002;B03D1/012;B03D1/018;D21F1/70;(IPC1-7):D21F1/70 |
主分类号 |
D21C5/02 |
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