发明授权
US5464502A Anionic sulfonate surfactants in the washing and pulping operation
失效
阴离子磺酸盐表面活性剂在洗涤和制浆操作中
- 专利标题: Anionic sulfonate surfactants in the washing and pulping operation
- 专利标题(中): 阴离子磺酸盐表面活性剂在洗涤和制浆操作中
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申请号: US132076申请日: 1993-10-05
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公开(公告)号: US5464502A公开(公告)日: 1995-11-07
- 发明人: Jacqueline K. Pease
- 申请人: Jacqueline K. Pease
- 申请人地址: FL Jacksonville
- 专利权人: Betz PaperChem, Inc.
- 当前专利权人: Betz PaperChem, Inc.
- 当前专利权人地址: FL Jacksonville
- 主分类号: D21C9/00
- IPC分类号: D21C9/00 ; D21C9/02
摘要:
A method for enhancing pulp washing efficiency is disclosed. An anionic sulfonate surfactant is added within the washing or pulping operation to enhance the removal of lignin and spent cooking chemicals from pulp.
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