| 发明名称 |
Multi-stage bleaching of paper pulp |
| 摘要 |
Method for the multi-stage bleaching of paper pulp in which at least one end bleaching stage is carried out using chlorine dioxide at a pulp concn.of 10-15% for 1-90 mins. in a pressurised vessel at 90-130 deg C, 0.1-10 bar. |
| 申请公布号 |
SE504210(C2) |
申请公布日期 |
1996.12.09 |
| 申请号 |
SE19930003037 |
申请日期 |
1993.09.16 |
| 申请人 |
SUNDS DEFIBRATOR INDUSTRIES AB |
发明人 |
SOLVEIG *NORDEN;MAARTEN *DAHL;ULF *GERMGAARD;LARS-AAKE *LINDSTROEM;GUNNAR *CARRE |
| 分类号 |
D21C9/14;(IPC1-7):D21C9/14 |
主分类号 |
D21C9/14 |
| 代理机构 |
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代理人 |
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| 地址 |
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