发明授权
- 专利标题: Method of dewatering pulp
- 专利标题(中): 纸浆脱水方法
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申请号: US10174230申请日: 2002-06-18
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公开(公告)号: US06706144B1公开(公告)日: 2004-03-16
- 发明人: Gary S. Furman, Jr. , James J. Svarz
- 申请人: Gary S. Furman, Jr. , James J. Svarz
- 主分类号: D21C918
- IPC分类号: D21C918
摘要:
A method of dewatering an aqueous cellulosic pulp slurry comprising adding to an aqueous slurry of washed cellulosic pulp an effective dewatering amount of a mixture of one or more nonionic surfactants and one or more anionic surfactants.