发明授权
US06315863B1 Chlorine dioxide pulp bleaching process having reduced barium scaling by recycling post-chlorination waste filtrate 失效
二氧化氯纸浆漂白工艺通过回收氯化废液滤液而减少了钡垢

  • 专利标题: Chlorine dioxide pulp bleaching process having reduced barium scaling by recycling post-chlorination waste filtrate
  • 专利标题(中): 二氧化氯纸浆漂白工艺通过回收氯化废液滤液而减少了钡垢
  • 申请号: US09100158
    申请日: 1998-06-18
  • 公开(公告)号: US06315863B1
    公开(公告)日: 2001-11-13
  • 发明人: David B. Jack
  • 申请人: David B. Jack
  • 主分类号: D21C914
  • IPC分类号: D21C914
Chlorine dioxide pulp bleaching process having reduced barium scaling by recycling post-chlorination waste filtrate
摘要:
Collection of a post-chlorination washer filtrate and recycle thereof to acidify a wood pulp stream entering the initial chlorine dioxide bleaching stage is provided in order to reduce the formation of barium scale.
信息查询
0/0