发明名称 |
FLERSTEGSFORFARANDE FOR KLORFATTIG HELBLEKNING AV CELLULOSAMASSA |
摘要 |
The present invention provides in a multistage process for fully bleaching a pulp, the improvement in which in the first stage of said bleaching process, the pulp is hydrolyzed with a strongly alkaline aqueous peroxide solution whereby a minimum of chlorine may be used in said process. |
申请公布号 |
SE415674(B) |
申请公布日期 |
1980.10.20 |
申请号 |
SE19740007273 |
申请日期 |
1974.05.31 |
申请人 |
* DEGUSSA AG |
发明人 |
H * KRUGER;H * SCHROTER;W * TRASER;H * PFAND;H * RATH |
分类号 |
D21C9/10;(IPC1-7):21C9/16 |
主分类号 |
D21C9/10 |
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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