发明名称 |
Processes and systems for the bleaching of lignocellulosic pulps following cooking with soda and anthraquinone |
摘要 |
Process for bleaching of pulps following cooking of the lignocellulosic material with soda and anthraquinone. The process may produce a whiteness on par with the bleaching of kraft pulp when using a similar bleaching sequence. In some instances, the bleaching sequence may be O-A-Do-Eop-D, O-A-ZDo-Eop-D, A-Do, or A-ZDo.
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申请公布号 |
EP2006441(A1) |
申请公布日期 |
2008.12.24 |
申请号 |
EP20080010953 |
申请日期 |
2008.06.17 |
申请人 |
ANDRITZ, INC. |
发明人 |
SHIN, NAMHEE;STROMBERG, BERTIL;O'LEARY, PAM |
分类号 |
D21C9/10;D21C9/12;D21C9/14;D21C9/147;D21C9/153;D21C9/16 |
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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