| 发明名称 |
PROCESS FOR FILLER FLOTATION FROM WATERS OF PAPER CIRCLE STREAM |
| 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 |
YU47188(A) |
申请公布日期 |
1989.10.31 |
| 申请号 |
YU19880000471 |
申请日期 |
1988.03.09 |
| 申请人 |
HENKEL KG |
发明人 |
HORNFECK K.;VON RYBINSKI W. |
| 分类号 |
D21C5/02;B03D1/002;B03D1/012;B03D1/018;D21F1/70;(IPC1-7):D21F1/70;C02F1/24 |
主分类号 |
D21C5/02 |
| 代理机构 |
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代理人 |
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| 主权项 |
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