AU647020B2 - A process for treating a fiber pulp with a chemical solution - Google Patents

A process for treating a fiber pulp with a chemical solution

Info

Publication number
AU647020B2
AU647020B2 AU54201/90A AU5420190A AU647020B2 AU 647020 B2 AU647020 B2 AU 647020B2 AU 54201/90 A AU54201/90 A AU 54201/90A AU 5420190 A AU5420190 A AU 5420190A AU 647020 B2 AU647020 B2 AU 647020B2
Authority
AU
Australia
Prior art keywords
bed
treatment
liquid
chemicals
active chemicals
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
AU54201/90A
Other languages
English (en)
Other versions
AU5420190A (en
Inventor
Hakan Ostman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HACKMAN PROSESSI Oy AB
SALOMANS Oy
Original Assignee
HACKMAN PROSESSI Oy AB
SALOMANS Oy
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 HACKMAN PROSESSI Oy AB, SALOMANS Oy filed Critical HACKMAN PROSESSI Oy AB
Publication of AU5420190A publication Critical patent/AU5420190A/en
Application granted granted Critical
Publication of AU647020B2 publication Critical patent/AU647020B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1031—Pulse, dynamic, displacement processes
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Communication Cables (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
AU54201/90A 1989-04-07 1990-04-06 A process for treating a fiber pulp with a chemical solution Ceased AU647020B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI891662A FI85513C (fi) 1989-04-07 1989-04-07 Foerfarande foer behandling av fibermassa med kemikalieloesning.
FI891662 1989-04-07

Publications (2)

Publication Number Publication Date
AU5420190A AU5420190A (en) 1990-11-05
AU647020B2 true AU647020B2 (en) 1994-03-17

Family

ID=8528196

Family Applications (1)

Application Number Title Priority Date Filing Date
AU54201/90A Ceased AU647020B2 (en) 1989-04-07 1990-04-06 A process for treating a fiber pulp with a chemical solution

Country Status (13)

Country Link
EP (1) EP0466752B1 (xx)
JP (1) JPH05500835A (xx)
AT (1) ATE140282T1 (xx)
AU (1) AU647020B2 (xx)
BR (1) BR9007276A (xx)
CA (1) CA2049951A1 (xx)
DE (1) DE69027770T2 (xx)
ES (1) ES2091240T3 (xx)
FI (1) FI85513C (xx)
NO (1) NO176485C (xx)
NZ (1) NZ233237A (xx)
WO (1) WO1990012146A1 (xx)
ZA (1) ZA902703B (xx)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6423183B1 (en) 1997-12-24 2002-07-23 Kimberly-Clark Worldwide, Inc. Paper products and a method for applying a dye to cellulosic fibers
US6749721B2 (en) 2000-12-22 2004-06-15 Kimberly-Clark Worldwide, Inc. Process for incorporating poorly substantive paper modifying agents into a paper sheet via wet end addition
US7749356B2 (en) 2001-03-07 2010-07-06 Kimberly-Clark Worldwide, Inc. Method for using water insoluble chemical additives with pulp and products made by said method
US6582560B2 (en) 2001-03-07 2003-06-24 Kimberly-Clark Worldwide, Inc. Method for using water insoluble chemical additives with pulp and products made by said method
US7670459B2 (en) 2004-12-29 2010-03-02 Kimberly-Clark Worldwide, Inc. Soft and durable tissue products containing a softening agent

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529479A (en) * 1982-05-21 1985-07-16 Rauma-Repola Oy Method for multistage bleaching and washing with recycle of displaced bleaching liquor
AU6859891A (en) * 1990-01-11 1991-07-18 Jaakko Poyry Oy A process for countercurrent washing and bleaching of a pulp from chemical pulping

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA783483A (en) * 1964-08-13 1968-04-23 Electric Reduction Company Of Canada Processes for bleaching cellulosic pulps
NO141172B (no) * 1970-06-25 Keskuslaboratorio-Centrallaboratorium Ab, Oy, Fremgangsmaate ved dynamisk bleking av fibermasse

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4529479A (en) * 1982-05-21 1985-07-16 Rauma-Repola Oy Method for multistage bleaching and washing with recycle of displaced bleaching liquor
AU6859891A (en) * 1990-01-11 1991-07-18 Jaakko Poyry Oy A process for countercurrent washing and bleaching of a pulp from chemical pulping

Also Published As

Publication number Publication date
FI85513B (fi) 1992-01-15
NZ233237A (en) 1993-02-25
JPH05500835A (ja) 1993-02-18
NO913904L (no) 1991-10-04
DE69027770D1 (de) 1996-08-14
EP0466752A1 (en) 1992-01-22
NO176485B (no) 1995-01-02
FI891662A (fi) 1990-10-08
NO176485C (no) 1995-04-12
WO1990012146A1 (en) 1990-10-18
FI85513C (fi) 1992-04-27
BR9007276A (pt) 1992-03-17
DE69027770T2 (de) 1996-11-28
ES2091240T3 (es) 1996-11-01
FI891662A0 (fi) 1989-04-07
EP0466752B1 (en) 1996-07-10
AU5420190A (en) 1990-11-05
CA2049951A1 (en) 1990-10-08
NO913904D0 (no) 1991-10-04
ATE140282T1 (de) 1996-07-15
ZA902703B (en) 1994-10-07

Similar Documents

Publication Publication Date Title
FI61925B (fi) Saett vid kontinuerlig alkalisk delignifiering av lignocellulosamaterial i tvao eller flera steg varav det sista med syrgas
DE69028797D1 (de) Verfahren zum Bleichen von Zellstoff mit Ozon
CA2138547C (en) Process for bleaching pulp in conjunction with adsorption of metals
EP0281273A1 (en) Cellulosic pulp
AU647020B2 (en) A process for treating a fiber pulp with a chemical solution
CA1225267A (en) Method and apparatus for washing paper pulp
US4297164A (en) Process for displacement washing of porous media
CA2045754A1 (en) Two-stage peroxide bleaching process
EP0420860B1 (en) Process and apparatus for the manufacture of pulp for paper, board, fiberboard and similar products
US2307137A (en) Process for bleaching wood pulp
US1683262A (en) Process of chemically treating and washing pulp
US4537656A (en) Method for delignifying or bleaching cellulose pulp wherein chlorine is added to recycle liquor to regenerate chlorine dioxide
US4505137A (en) Apparatus for washing paper pulp
GB393106A (en) Method of and apparatus for bleaching pulp
WO1991012366A1 (en) Bleaching of paper pulp
KR960006125B1 (ko) 향상된 산소 탈리그닌화 선택성의 펄프를 얻는 방법
CA1096591A (en) Displacement of a liquid a by a liquid b in a suspension
CA1249904A (en) Oxygen alkali extraction of cellulosic pulp
CA1246304A (en) Process and apparatus for bleaching of pulp
JPH05247864A (ja) セルロースパルプの漂白法
SE9701778L (sv) Förfarande för minimering av kalcium orsakat inkrustproblem vid framställning av blekt cellulosamassa
CA1230205A (en) Process and apparatus for bleaching of pulp
US2041294A (en) Method of making paper
AU605913B2 (en) A method in the activation of lignocellulosic material with a gas containing nitrogen dioxide
AU642971B2 (en) Bleaching of paper pulp