发明名称 |
LOW CONSISTENCY OXYGEN DELIGNIFICATION PROCESS |
摘要 |
The present invention provides for a method for delignifying softwood or hardwood pulp in a fiber line of a pulp and papermaking system having a slurry at low consistency by adding to the pulp slurry oxygen and adding thi s pulp slurry reaction mixture to a reaction system comprising an efficient mixer and contact tank. The reaction system is preferably physically located after the knotters and before the brown stock washers to make more effective use the residual alkali and heat content in the incoming black liquor.
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申请公布号 |
CA2484557(A1) |
申请公布日期 |
2005.04.28 |
申请号 |
CA20042484557 |
申请日期 |
2004.10.13 |
申请人 |
THE BOC GROUP, INC. |
发明人 |
ADUSEI, GEORGE;SAXENA, NEERAJ;DONOVAN, JOSEPH R. |
分类号 |
D21C9/147;E21B29/08;E21B34/10;(IPC1-7):D21C9/00 |
主分类号 |
D21C9/147 |
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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