| 发明名称 |
VERFAHREN ZUM DEINKEN VON ALTPAPIER |
| 摘要 |
<p>Inks are removed from printed media by: (i) forming a pulp slurry containing the printed media and water, (ii) adding an alkaline earth metal tallate dispersion to the slurry and (iii) subjecting the slurry to flotation deinking in a flotation cell, wherein the alkaline earth metal tallate dispersion has been prepared by a double displacement method.</p> |
| 申请公布号 |
DE69703351(T2) |
申请公布日期 |
2001.04.05 |
| 申请号 |
DE1997603351T |
申请日期 |
1997.06.17 |
| 申请人 |
HIGH POINT CHEMICAL CORP., HIGH POINT |
发明人 |
ROBINSON, M.;BROOKS, E.;SINGLETON, E. |
| 分类号 |
C07C51/41;D21C5/02;(IPC1-7):D21C5/02 |
主分类号 |
C07C51/41 |
| 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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