| 发明名称 |
BLEACHING OF LIGNIN AND PROCESS FOR PRODUCING PAPER |
| 摘要 |
The present invention relates to the bleaching of lignin present in pulp fibers in an aqueous environment such as a pulp suspension. The invention also relates to a process for producing paper or board from pulp containing such bleached lignin. According to the invention carbon dioxide is used for the bleaching of lignin.
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| 申请公布号 |
WO0073576(A1) |
申请公布日期 |
2000.12.07 |
| 申请号 |
WO2000EP04610 |
申请日期 |
2000.05.18 |
| 申请人 |
AGA AKTIEBOLAG;TIGERSTROEM, ANNA |
发明人 |
TIGERSTROEM, ANNA |
| 分类号 |
D21C9/00;D21C9/10;D21H17/65;D21H21/32;D21H23/04;(IPC1-7):D21C9/10 |
主分类号 |
D21C9/00 |
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