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Process for treating a slurry of cellulosic material 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • D21C-009/06
  • D21C-009/18
출원번호 US-0625819 (1975-10-28)
발명자 / 주소
  • Sexton Ernest Arthur (St. Catharines CA)
출원인 / 주소
  • The Ontario Paper Company Limited (Thorold CA 03) Canadian International Paper Company (Montreal CA 03)
인용정보 피인용 횟수 : 28  인용 특허 : 0

초록

A slurry of cellulosic material is diluted to a flowable consistency and subjected to a pressure differential on a permeable surface to increase the slurry consistency to a value between the consistency of the diluted slurry and the consistency of the slurry prior to dilution thereby forming a mat o

대표청구항

A process for treating a slurry of cellulosic material which comprises: a. diluting the slurry to reduce its consistency to a flowable level; b. depositing the diluted slurry on a surface permeable to the liquid and solid phaseS thereof but which is substantially more permeable to the liquid phase;

이 특허를 인용한 특허 (28)

  1. Klein, Edward P.; Neider, Thomas M., Apparatus for measuring concentration of dissolved solids in a pulp mat.
  2. Bastanzuri Remberto P. (Miami FL), Apparatus for removing ink particles from paper products.
  3. Yin, Caifang F., BCTMP filtrate recycling system and method.
  4. Yin, Caifang F., BCTMP filtrate recycling system and method.
  5. Klein, Edward P.; Nissan, Alfred H., Belt washing improvements.
  6. Lewis D. Shackford ; John E. Leddy, Control system for a filtrate splitting device.
  7. Seymour George W. (2841 Parkwood Dr. Brunswick GA 31520), Controlling water input to pulp washing system based on measurements on reduced dimension stream.
  8. Garver Theodore M.,CAX ; Boegh Kenneth,CAX, Dissolved solid analyzer.
  9. Gwin Dennis L. (Clatskanie OR) Van Scotter Keith T. (Boise ID) Montgomery Ron L. (Trenton NJ), Drum washer having liquid collecting means.
  10. Elton Edward F. (1605 Treeridge Pkwy. Alpharetta GA 30201), Method for alkaline delignification of lignocellulosic fibrous material at a consistency which is raised during reaction.
  11. Runge, Troy Michael; Coe, Louise Cynthia Ellis; Goulet, Mike Thomas; Nishihata, Ricardo Toru; Sacon, Vera Maria, Method for applying chemical additives to pulp during the pulp processing and products made by said method.
  12. Runge,Troy Michael; Coe,Louise Cynthia Ellis; Goulet,Mike Thomas; Hu,Sheng Hsin, Method for applying water insoluble chemical additives with to pulp fiber.
  13. Berkstresser ; IV Gordon A. ; Dunbar Richard A. ; McLellan George R. ; Plischke Le Moyne W. ; Yang Yiqi, Method for removing color from ionically dyeable polymeric materials.
  14. Jacobsen Finn (Karlstad SEX), Method for the treatment of pulp with liquid.
  15. Runge, Troy Michael; Coe, Louise Cynthia Ellis; Goulet, Mike Thomas; Nishihata, Ricardo Toru; Sacon, Vera Maria, Method for using water insoluble chemical additives with pulp and products made by said method.
  16. Klein Edward P. (Covington VA) Nissan Alfred H. (Scarsdale NY), Method for washing a paper fiber on a belt washer using a sonic frequency disturbance.
  17. White David E. (Pennington NJ) Pikulin Michael A. (Bound Brook NJ) Gandek Thomas P. (Trenton NJ) Friend William H. (Savannah GA), Method of bleaching high consistency pulp with ozone.
  18. Klein Edward P. (Covington VA) Neider Thomas M. (Covington VA), Method of determining black liquor solids concentration remaining in a washed pulp mat.
  19. Haapamki Pertti (Montreal CAX) Tuomi Alpo (Pori FIX), Method of washing cellulosic pulp submerged in washing liquid.
  20. Seymour George W. (2841 Parkwood Dr. Brunswick GA 31520), Process for producing a constant distribution of a selected property across the width of pulp mat on a pulp washing surf.
  21. Bastanzuri Remberto P. (Miami FL), Process for removing ink particles from paper products.
  22. Yang Yiqi ; Plischke Le Moyne W. ; McLellan George R. ; Dickerson Jerauld L., Process for separating polyamide from colorant.
  23. White David E. ; Pikulin Michael A. ; Gandck Thomas P. ; Friend William H., Pulp bleaching reactor for dispersing high consistency pulp into a gaseous bleaching agent containing ozone.
  24. Ericsson Eric O. (Bellingham WA), Pulp washer.
  25. White David E. (Pennington NJ) Pikulin Michael A. (Bound Brook NJ) Gandek Thomas P. (Trenton NJ) Friend William H. (Savannah GA), Reactor for bleaching high consistency pulp with ozone.
  26. Gandek Thomas P. (Trenton NJ) Joseph James C. (Yardley PA) Pikulin Michael A. (Bound Brook NJ) Pangalos George (Plainsboro NJ) Bowden Philip E. (Franklin VA), Reduction of salt scale precipitation by control of process stream Ph and salt concentration.
  27. Gandek Thomas P. (Trenton NJ) Joseph James C. (Yardley PA) Pikulin Michael A. (Bound Brook NJ) Pangalos George (Plainsboro NJ) Bowden Philip E. (Franklin VA), Reduction of salt scale precipitation by control of process stream pH and salt concentration.
  28. Duncan James W., System and method for removing liquid applied to hollow containers.
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