SE467261B - Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg - Google Patents

Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg

Info

Publication number
SE467261B
SE467261B SE8904404A SE8904404A SE467261B SE 467261 B SE467261 B SE 467261B SE 8904404 A SE8904404 A SE 8904404A SE 8904404 A SE8904404 A SE 8904404A SE 467261 B SE467261 B SE 467261B
Authority
SE
Sweden
Prior art keywords
ozone
pulp
chlorine dioxide
bleaching
added
Prior art date
Application number
SE8904404A
Other languages
English (en)
Swedish (sv)
Other versions
SE8904404D0 (sv
SE8904404L (sv
Inventor
C Bosenius
Original Assignee
Kamyr Ab
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
Publication of SE8904404D0 publication Critical patent/SE8904404D0/xx
Priority to SE8904404A priority Critical patent/SE467261B/sv
Application filed by Kamyr Ab filed Critical Kamyr Ab
Priority to DE4039294A priority patent/DE4039294C2/de
Priority to CA002031850A priority patent/CA2031850C/en
Priority to AT0251890A priority patent/AT395444B/de
Priority to BR909006579A priority patent/BR9006579A/pt
Priority to NO905598A priority patent/NO176060C/no
Priority to FI906401A priority patent/FI95292C/fi
Priority to FR9016499A priority patent/FR2656633B1/fr
Priority to JP2415578A priority patent/JP2934512B2/ja
Publication of SE8904404L publication Critical patent/SE8904404L/
Publication of SE467261B publication Critical patent/SE467261B/sv

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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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)
SE8904404A 1989-12-29 1989-12-29 Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg SE467261B (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE8904404A SE467261B (sv) 1989-12-29 1989-12-29 Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg
DE4039294A DE4039294C2 (de) 1989-12-29 1990-12-09 Verfahren zum Bleichen von Cellulosebrei
CA002031850A CA2031850C (en) 1989-12-29 1990-12-10 Method of bleaching pulp
AT0251890A AT395444B (de) 1989-12-29 1990-12-12 Verfahren zum bleichen von cellulosebrei
BR909006579A BR9006579A (pt) 1989-12-29 1990-12-26 Processo de branqueamento de polpa de material de fibra celulosica
NO905598A NO176060C (no) 1989-12-29 1990-12-27 Fremgangsmåte ved bleking av masse av celluloseholdig fibermateriale
FI906401A FI95292C (fi) 1989-12-29 1990-12-27 Massan valkaisutapa
FR9016499A FR2656633B1 (fr) 1989-12-29 1990-12-28 Procede de blanchiment d'une pate cellulosique, en une seule etape, par le bioxyde de chlore et l'ozone.
JP2415578A JP2934512B2 (ja) 1989-12-29 1990-12-28 セルロース質繊維材料のパルプの漂白方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8904404A SE467261B (sv) 1989-12-29 1989-12-29 Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg

Publications (3)

Publication Number Publication Date
SE8904404D0 SE8904404D0 (sv) 1989-12-29
SE8904404L SE8904404L (sv) 1991-06-30
SE467261B true SE467261B (sv) 1992-06-22

Family

ID=20377905

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8904404A SE467261B (sv) 1989-12-29 1989-12-29 Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg

Country Status (9)

Country Link
JP (1) JP2934512B2 (pt)
AT (1) AT395444B (pt)
BR (1) BR9006579A (pt)
CA (1) CA2031850C (pt)
DE (1) DE4039294C2 (pt)
FI (1) FI95292C (pt)
FR (1) FR2656633B1 (pt)
NO (1) NO176060C (pt)
SE (1) SE467261B (pt)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5322598A (en) * 1990-02-06 1994-06-21 Olin Corporation Chlorine dioxide generation using inert load of sodium perchlorate
US6174409B1 (en) 1997-09-19 2001-01-16 American Air Liquide Inc. Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process
SE522593C2 (sv) * 1999-07-06 2004-02-24 Kvaerner Pulping Tech System och förfarande för syragasdelignifiering av massa av lignocellulosahaltigt material
GB0322598D0 (en) 2003-09-26 2003-10-29 Victrex Mfg Ltd Polymeric material
JP5987223B2 (ja) * 2012-03-06 2016-09-07 愛媛県 セルロース溶液の製造方法、セルロースの製造方法、セルロースの糖化方法
CN110656527A (zh) * 2019-09-12 2020-01-07 华南理工大学 一种臭氧和二氧化氯协同高效漂白中浓纸浆的方法及装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1298875B (de) * 1965-01-09 1969-07-03 Gunnar Alexander Dipl Ing Verfahren zum Bleichen von Zellstoff im chlorhaltigen Bleichbad und mit Ozon
US4080249A (en) * 1976-06-02 1978-03-21 International Paper Company Delignification and bleaching of a lignocellulosic pulp slurry with ozone
US4902381A (en) * 1988-12-09 1990-02-20 Kamyr, Inc. Method of bleaching pulp with ozone-chlorine mixtures
US4959124A (en) * 1989-05-05 1990-09-25 International Paper Company Method of bleaching kraft pulp in a DZED sequence
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson

Also Published As

Publication number Publication date
JP2934512B2 (ja) 1999-08-16
FR2656633A1 (fr) 1991-07-05
ATA251890A (de) 1992-05-15
SE8904404D0 (sv) 1989-12-29
BR9006579A (pt) 1991-10-01
NO176060B (no) 1994-10-17
SE8904404L (sv) 1991-06-30
CA2031850C (en) 1995-11-21
DE4039294C2 (de) 1993-11-11
FI95292B (fi) 1995-09-29
FI906401A0 (fi) 1990-12-27
DE4039294A1 (de) 1991-07-04
NO905598D0 (no) 1990-12-27
NO905598L (no) 1991-07-01
CA2031850A1 (en) 1991-06-30
FI906401A (fi) 1991-06-30
FR2656633B1 (fr) 1996-06-07
AT395444B (de) 1992-12-28
JPH04263687A (ja) 1992-09-18
NO176060C (no) 1995-01-25
FI95292C (fi) 1996-01-10

Similar Documents

Publication Publication Date Title
JP2995422B2 (ja) パルプの無塩素漂白方法
US4198266A (en) Oxygen delignification of wood pulp
SE469387B (sv) Saett vid blekning av massa utan anvaendning av klorkemikalier
JPH05500243A (ja) リグノセルロース物質の環境上改良された漂白方法
JPH08503268A (ja) パルプの連続蒸解法
FI116393B (fi) Menetelmä selluloosamassan delignifioimiseksi ja valkaisemiseksi
SE467260B (sv) Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg
FI63793C (fi) Alkalipressning av cellulosamassa
JPH0781239B2 (ja) オゾン漂白プロセス
SE467261B (sv) Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg
JPH08509781A (ja) 塩素を含まない薬品によるパルプ漂白法
WO1995009945A1 (en) Method of treating chemical paper pulp without using chlorine-containing chemicals
JPS59144692A (ja) 木材パルプの改良漂白法
US3884752A (en) Single vessel wood pulp bleaching with chlorine dioxide followed by sodium hypochlorite or alkaline extraction
JP3217065B2 (ja) パルプの連続蒸解法
EP0902120A1 (en) Process for bleaching a paper pulp with ozone and chlorine dioxide
JPH09502229A (ja) リグノセルロースパルプの改良漂白方法
KR100194405B1 (ko) 목재펄프의 무염소 표백방법
RU2071518C1 (ru) Способ кислородной делигнификации небеленой целлюлозной массы
WO2000008251A1 (en) An improved method for bleaching pulp
US2001268A (en) Pulp treating process
US5766414A (en) Method of bleaching cellulose pulp with peroxide under elevated pressure in a first vessel and atmospheric pressure in second vessel
CA1089157A (en) Bleach plant operation
US4222818A (en) Method for treatment of lignocellulosic material with chlorine
SE452896B (sv) Forfarande for behandling av cellulosamassor

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8904404-4

Format of ref document f/p: F