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.
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
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