| 发明名称 |
PULP BLEACHING PROCESS WITH REDUCED BARIUM SCALING |
| 摘要 |
<p>Collection of a post-chlorination washer filtrate (292) and recycle thereof (303) to acidify a wood pulp stream (115) entering the initial chlorine dioxide bleaching stage (193) is provided in order to reduce the formation of barium scale.</p> |
| 申请公布号 |
WO9966120(A1) |
申请公布日期 |
1999.12.23 |
| 申请号 |
WO1999US12766 |
申请日期 |
1999.06.08 |
| 申请人 |
WEYERHAEUSER COMPANY |
发明人 |
JACK, DAVID, B. |
| 分类号 |
D21C9/02;D21C9/10;D21C9/14;(IPC1-7):D21C9/14;D21C9/00 |
主分类号 |
D21C9/02 |
| 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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