SE0202733D0 - Process and arrangement for replacing fluid in fibers with a replacement fluid - Google Patents

Process and arrangement for replacing fluid in fibers with a replacement fluid

Info

Publication number
SE0202733D0
SE0202733D0 SE0202733A SE0202733A SE0202733D0 SE 0202733 D0 SE0202733 D0 SE 0202733D0 SE 0202733 A SE0202733 A SE 0202733A SE 0202733 A SE0202733 A SE 0202733A SE 0202733 D0 SE0202733 D0 SE 0202733D0
Authority
SE
Sweden
Prior art keywords
fibers
liquid
fiber
replacing
fluid
Prior art date
Application number
SE0202733A
Other languages
Swedish (sv)
Inventor
Aasa Samuelsson
Birger Sjoegren
Hannes Vomhoff
Lars Sjoestroem
Marco Lucisano
Mikael Lindstroem
Tommy Iversen
Original Assignee
Skogsind Tekn Foskningsinst
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Skogsind Tekn Foskningsinst filed Critical Skogsind Tekn Foskningsinst
Priority to SE0202733A priority Critical patent/SE0202733D0/en
Publication of SE0202733D0 publication Critical patent/SE0202733D0/en
Priority to AU2003261052A priority patent/AU2003261052A1/en
Priority to PCT/SE2003/001443 priority patent/WO2004025019A1/en
Priority to US10/528,025 priority patent/US20060124259A1/en
Priority to EP03795542A priority patent/EP1543192A1/en
Priority to CA002499005A priority patent/CA2499005A1/en

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
    • D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/007—Modification of pulp properties by mechanical or physical means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Spinning Methods And Devices For Manufacturing Artificial Fibers (AREA)

Abstract

A process and apparatus for replacing intra-fiber liquid in fibers by a replacement liquid, includes compressing the fiber cake to express a substantial quantity of intra-fiber liquid to the space between the fibers; forcibly supplying replacement liquid to the fiber cake during the compression thereby replacing the intra-fiber liquid from the space between the fibers and letting the fibers expand while supplying additional replacement liquid. The invention gets rid of or significantly reduces the content of contaminating material in not only the areas between the fibers in a fiber cake but also in the fiber wall pores and the lumen and replaces this liquid by a replacement liquid.
SE0202733A 2002-09-16 2002-09-16 Process and arrangement for replacing fluid in fibers with a replacement fluid SE0202733D0 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE0202733A SE0202733D0 (en) 2002-09-16 2002-09-16 Process and arrangement for replacing fluid in fibers with a replacement fluid
AU2003261052A AU2003261052A1 (en) 2002-09-16 2003-09-16 Process and arrangement for replacing intra-fiber liquid in fibers with a replacement liquid
PCT/SE2003/001443 WO2004025019A1 (en) 2002-09-16 2003-09-16 Process and arrangement for replacing intra-fiber liquid in fibers with a replacement liquid
US10/528,025 US20060124259A1 (en) 2002-09-16 2003-09-16 Process and arrangement for replacing intra-fiber liquid in fibers with a replacement liquid
EP03795542A EP1543192A1 (en) 2002-09-16 2003-09-16 Process and arrangement for replacing intra-fiber liquid in fibers with a replacement liquid
CA002499005A CA2499005A1 (en) 2002-09-16 2003-09-16 Process and arrangement for replacing intra-fiber liquid in fibers with a replacement liquid

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE0202733A SE0202733D0 (en) 2002-09-16 2002-09-16 Process and arrangement for replacing fluid in fibers with a replacement fluid

Publications (1)

Publication Number Publication Date
SE0202733D0 true SE0202733D0 (en) 2002-09-16

Family

ID=20288995

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0202733A SE0202733D0 (en) 2002-09-16 2002-09-16 Process and arrangement for replacing fluid in fibers with a replacement fluid

Country Status (6)

Country Link
US (1) US20060124259A1 (en)
EP (1) EP1543192A1 (en)
AU (1) AU2003261052A1 (en)
CA (1) CA2499005A1 (en)
SE (1) SE0202733D0 (en)
WO (1) WO2004025019A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005050658A1 (en) * 2005-10-20 2007-04-26 Basf Ag Process for reducing the absorption of water and water vapor and for increasing the dimensional stability of paper and paper products and use of coated paper products
CN107489053B (en) * 2017-09-26 2019-12-24 深圳德为纤维环保科技有限公司 Improved pulp washer or filament separator
CN110139958A (en) * 2017-09-26 2019-08-16 深圳德为纤维环保科技有限公司 For the equipment to pulp washing

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2355091A (en) * 1939-03-16 1944-08-08 Brown Paper Mill Company Inc Apparatus for the treatment and removal of chemicals from cooked or digested fiber pulp
SE318183B (en) * 1968-05-24 1969-12-01 Karlstad Mekaniska Ab
US4661205A (en) * 1981-08-28 1987-04-28 Scott Paper Company Method of bleaching lignocellulosic material with peroxide catalyzed with a salt of a metal
NO159494C (en) * 1986-10-23 1989-01-04 Kvaerner Eureka As PROCEDURE BY BLACKING CELLULOSMASS OR FRACTION THEREOF, PLANT FOR USE BY IMPLEMENTING THE PROCEDURE.
US5482594A (en) * 1991-08-21 1996-01-09 Salminen; Reijo Liquid removal apparatus and method for wood pulp
US5785810A (en) * 1991-08-21 1998-07-28 Salminen; Reijo K. Wood pulp processing apparatus and method
US5722264A (en) * 1995-08-07 1998-03-03 Beloit Technologies, Inc. Single roll displacement wash press
NZ331438A (en) * 1997-09-16 2000-01-28 Ciba Sc Holding Ag A method of increasing the whiteness of paper by using a formulation containing a swellale layered silicate and an optical brightener 4,4-bis-(triazinylamino)-stilbene-2,2-disulphonic acid

Also Published As

Publication number Publication date
EP1543192A1 (en) 2005-06-22
US20060124259A1 (en) 2006-06-15
WO2004025019A1 (en) 2004-03-25
CA2499005A1 (en) 2004-03-25
AU2003261052A1 (en) 2004-04-30

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