| 发明名称 |
METHOD FOR BLEACHING CELLULOSE IN A CLOSED SYSTEM USING CARO'S ACID |
| 摘要 |
The present invention relates to a method for bleaching cellulose in a closed system in one or more stages using Caro's acid. The method is characterized in that to maintain the sulphur and sodium balance, the production of Caro's acid, and of the sulphuric acid necessary for producing the latter, are included in the closed system.
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| 申请公布号 |
WO9927179(A1) |
申请公布日期 |
1999.06.03 |
| 申请号 |
WO1998SE02117 |
申请日期 |
1998.11.23 |
| 申请人 |
KVAERNER PULPING AB;BENGTSSON, ERIK;BJOERKLUND, PETER |
发明人 |
BENGTSSON, ERIK;BJOERKLUND, PETER |
| 分类号 |
D21C9/16;D21C11/06;(IPC1-7):D21C9/16 |
主分类号 |
D21C9/16 |
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