首页> 外国专利> SYSTEM AND METHOD FOR REPULPING OF PAPER PRODUCTS AND IMPROVEMENT OF WATER QUALITY WITH DIPOLAR SOLVENTS AND RECOVERY

SYSTEM AND METHOD FOR REPULPING OF PAPER PRODUCTS AND IMPROVEMENT OF WATER QUALITY WITH DIPOLAR SOLVENTS AND RECOVERY

机译:用二元溶剂和回收来制浆纸产品和改善水质的系统和方法

摘要

An enhanced method of repulping paper and improving water quality by placing used paper product material in an aqueous solution of dipolar aprotic protophylic solvent, processing it, and recovering recycled pulp based on two physical reactions of the dipolar solvent: first with water from one part of the solvent, and second with cellulosic material from the other part of the solvent. The water reaction involves a rearrangement of hydrogen bonds within the water, improving its reactivity and solvent capacity, and the cellulosic reaction involves dissolution of hemicellulose in a manner which results in reduced fibre loss and improved pulp quality. The net result is more efficient pulping and reduced environmental impact.
机译:通过将废纸产品材料放置在偶极非质子原生质溶剂的水溶液中,对其进行处理并基于偶极溶剂的两次物理反应回收回收的纸浆的改进方法,从而将纸浆重新制成纸浆并改善水质:溶剂,其次是来自另一部分的纤维素材料。水反应涉及水中氢键的重排,从而改善其反应性和溶剂容量,而纤维素反应涉及半纤维素的溶解,从而减少了纤维损失并提高了纸浆质量。最终结果是更有效的制浆和减少的环境影响。

著录项

  • 公开/公告号WO2009073948A1

    专利类型

  • 公开/公告日2009-06-18

    原文格式PDF

  • 申请/专利权人 SANATA TECHNOLOGIES INC.;AWADEL-KARIM SALAH;

    申请/专利号WO2007CA02289

  • 发明设计人 AWADEL-KARIM SALAH;

    申请日2007-12-12

  • 分类号D21C5/02;

  • 国家 WO

  • 入库时间 2022-08-21 19:18:21

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