| 发明名称 |
Chlorine dioxide pulp bleaching process having reduced barium scaling by recycling post-chlorination waste filtrate |
| 摘要 |
Collection of a post-chlorination washer filtrate and recycle thereof to acidify a wood pulp stream entering the initial chlorine dioxide bleaching stage is provided in order to reduce the formation of barium scale.
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| 申请公布号 |
US6315863(B1) |
申请公布日期 |
2001.11.13 |
| 申请号 |
US19980100158 |
申请日期 |
1998.06.18 |
| 申请人 |
WEYERHAEUSER COMPANY |
发明人 |
JACK DAVID B. |
| 分类号 |
D21C9/02;D21C9/10;D21C9/14;(IPC1-7):D21C9/14;D21C11/00 |
主分类号 |
D21C9/02 |
| 代理机构 |
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代理人 |
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