FI20077130A - Process for the treatment of chemically bleached pulp - Google Patents

Process for the treatment of chemically bleached pulp Download PDF

Info

Publication number
FI20077130A
FI20077130A FI20077130A FI20077130A FI20077130A FI 20077130 A FI20077130 A FI 20077130A FI 20077130 A FI20077130 A FI 20077130A FI 20077130 A FI20077130 A FI 20077130A FI 20077130 A FI20077130 A FI 20077130A
Authority
FI
Finland
Prior art keywords
treatment
bleached pulp
chemically bleached
chemically
pulp
Prior art date
Application number
FI20077130A
Other languages
Finnish (fi)
Swedish (sv)
Inventor
Mikael Lindstrom
Martin Ragnar
Helena Stand
Original Assignee
Gl&V Man Hungary Kft
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 Gl&V Man Hungary Kft filed Critical Gl&V Man Hungary Kft
Publication of FI20077130A publication Critical patent/FI20077130A/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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1047—Conserving the bleached pulp
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • 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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI20077130A 2005-02-24 2007-09-20 Process for the treatment of chemically bleached pulp FI20077130A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE0500434A SE0500434L (en) 2005-02-24 2005-02-24 Treatment of final bleached pulp in a mild alkaline oxygen step to reduce post-yellowing
PCT/SE2006/000112 WO2006091140A1 (en) 2005-02-24 2006-01-26 Method for treatment of bleached chemical pulp

Publications (1)

Publication Number Publication Date
FI20077130A true FI20077130A (en) 2007-09-20

Family

ID=36889322

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20077130A FI20077130A (en) 2005-02-24 2007-09-20 Process for the treatment of chemically bleached pulp

Country Status (4)

Country Link
BR (1) BRPI0608555A2 (en)
FI (1) FI20077130A (en)
SE (1) SE0500434L (en)
WO (1) WO2006091140A1 (en)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA632280A (en) * 1958-07-02 1961-12-05 Kimberly-Clark Corporation Manufacture of bleached cellulosic products resistant to brightness reversion
GB1062734A (en) * 1963-03-21 1967-03-22 Mo Och Domsjoe Ab Improvements in or relating to bleaching cellulose pulp
JP2004052115A (en) * 2002-07-16 2004-02-19 Nippon Paper Industries Co Ltd Method for improving fading property of chemical pulp

Also Published As

Publication number Publication date
SE528066C2 (en) 2006-08-22
SE0500434L (en) 2006-08-22
WO2006091140A1 (en) 2006-08-31
BRPI0608555A2 (en) 2010-01-12

Similar Documents

Publication Publication Date Title
ZA200710210B (en) Process of bleaching
FI20051251A (en) Process for preparing chemical mechanical pulp
ATE527241T1 (en) PYRIDIAZINONE DERIVATIVES FOR THE TREATMENT OF TUMORS
FI20051145A0 (en) New pulp and process for pulping
FI20041152A (en) Xylanase treatment of chemical pulp
ATE534633T1 (en) INDAZOL DERIVATIVES FOR THE TREATMENT OF HSP90-INDUCED DISEASES
FI20050160A0 (en) Process for the treatment of copper-containing materials
SE0600397L (en) Refiners and methods for refining pulp
DE602006010449D1 (en) TREATMENT OF POULTRY FOR THE REDUCTION OF FUTON ASCITES
FI20060226A (en) Process for the treatment of chemical pulp
DE602006003094D1 (en) 4-PHENYL-5-OXO-1,4,5,6,7,8-HEXAHYDROCHINOLINE DERIVATIVES FOR THE TREATMENT OF BARRENESS
GB0413068D0 (en) Treatment of pulp
EP1885945A4 (en) Arrangement for the treatment of cellulose pulp involving seal positioning means
SE528729E (en) Device for treating cellulose pulp
EP1885948A4 (en) Arrangement for the treatment of cellulose pulp
FI20060313A0 (en) Bleaching procedure for chemical pulp
FI20030040A0 (en) Process for bleaching cellulose fiber material
NO20043255L (en) Process for the production of carboxylated pulp fibers
FI20077130A (en) Process for the treatment of chemically bleached pulp
DE502005002104D1 (en) Hesperidin for the treatment of epilepsy
FI20060314A (en) Bleaching procedure for chemical pulp
FI20030027A0 (en) Process for the preparation of cellulose carbamate
ZA200902765B (en) Treatment of pulp
SE0700517A0 (en) Treatment of cellulose pulp
FI20040124A (en) Arrangements for the manufacture of chemical pulp

Legal Events

Date Code Title Description
MA Patent expired