| 发明名称 |
METHOD OF BROWN STOCK WASHING |
| 摘要 |
<p>An improved method of brown stock washing is disclosed. A nonionic surfactant in combination with a polyelectrolyte dispersant, and preferably a solvent, are utilized in the washing step in the pulping of virgin cellulosic fiber. The methods of the invention provide for the enhanced removal and recovery of cooking chemicals and organics from the pulp.</p> |
| 申请公布号 |
CA1252258(A) |
申请公布日期 |
1989.04.11 |
| 申请号 |
CA19850479010 |
申请日期 |
1985.04.12 |
| 申请人 |
DIAMOND SHAMROCK CANADA, LTD |
发明人 |
MALONEY, JAMES E. |
| 分类号 |
D21C9/02;D21C9/08;D21H25/00;(IPC1-7):D21C9/06 |
主分类号 |
D21C9/02 |
| 代理机构 |
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