发明名称 |
Process for improving the drainage of cellulosic pulps by adding carbon dioxide directly into the pulp |
摘要 |
The invention relates to a process for improving the drainage or dewatering of cellulosic pulp suspensions in a paper making machine, a drying machine or the like assembly. The invention also relates to a process for producing a dried cellulosic product from said pulp suspension. The drainage of said pulp suspension is improved by treating it with carbon dioxide just prior to its entering a dewatering device such as the wire section of a paper machine.
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申请公布号 |
US6589387(B1) |
申请公布日期 |
2003.07.08 |
申请号 |
US20000530740 |
申请日期 |
2000.06.08 |
申请人 |
AGA AKTIEBOLAG |
发明人 |
LEINO HANNU JUHANI;HOLMBERG ANNA LINNEA |
分类号 |
D21C9/00;D21C9/18;D21F1/66;D21F11/00;D21H17/65;D21H21/10;(IPC1-7):D21C9/00 |
主分类号 |
D21C9/00 |
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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