SE8904403D0 - Saett att bleka massa - Google Patents

Saett att bleka massa

Info

Publication number
SE8904403D0
SE8904403D0 SE8904403A SE8904403A SE8904403D0 SE 8904403 D0 SE8904403 D0 SE 8904403D0 SE 8904403 A SE8904403 A SE 8904403A SE 8904403 A SE8904403 A SE 8904403A SE 8904403 D0 SE8904403 D0 SE 8904403D0
Authority
SE
Sweden
Prior art keywords
pipe
pulp
bleaching tower
mixer
fed
Prior art date
Application number
SE8904403A
Other languages
English (en)
Other versions
SE8904403L (sv
SE467260B (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 SE8904403D0 publication Critical patent/SE8904403D0/sv
Priority to SE8904403A priority Critical patent/SE467260B/sv
Application filed by Kamyr Ab filed Critical Kamyr Ab
Priority to DE4039099A priority patent/DE4039099C2/de
Priority to CA002031848A priority patent/CA2031848C/en
Priority to AT0251990A priority patent/AT396129B/de
Priority to BR909006578A priority patent/BR9006578A/pt
Priority to NO905599A priority patent/NO176061C/no
Priority to FI906400A priority patent/FI95291C/sv
Priority to FR9016500A priority patent/FR2656634B1/fr
Priority to JP2415577A priority patent/JPH04289288A/ja
Publication of SE8904403L publication Critical patent/SE8904403L/sv
Publication of SE467260B publication Critical patent/SE467260B/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)
SE8904403A 1989-12-29 1989-12-29 Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg SE467260B (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE8904403A SE467260B (sv) 1989-12-29 1989-12-29 Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg
DE4039099A DE4039099C2 (de) 1989-12-29 1990-12-07 Verfahren zum Bleichen von Cellulosebrei
CA002031848A CA2031848C (en) 1989-12-29 1990-12-10 Method of bleaching pulp
AT0251990A AT396129B (de) 1989-12-29 1990-12-12 Verfahren zum bleichen von cellulosebrei
BR909006578A BR9006578A (pt) 1989-12-29 1990-12-26 Processo de branqueamento de polpa de material de fibra celulosica
NO905599A NO176061C (no) 1989-12-29 1990-12-27 Fremgangsmåte ved bleking av masse av celluloseinneholdende fibermateriale
FI906400A FI95291C (sv) 1989-12-29 1990-12-27 Sätt att bleka massa
FR9016500A FR2656634B1 (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.
JP2415577A JPH04289288A (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
SE8904403A SE467260B (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
SE8904403D0 true SE8904403D0 (sv) 1989-12-29
SE8904403L SE8904403L (sv) 1991-06-30
SE467260B SE467260B (sv) 1992-06-22

Family

ID=20377904

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8904403A SE467260B (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) JPH04289288A (sv)
AT (1) AT396129B (sv)
BR (1) BR9006578A (sv)
CA (1) CA2031848C (sv)
DE (1) DE4039099C2 (sv)
FI (1) FI95291C (sv)
FR (1) FR2656634B1 (sv)
NO (1) NO176061C (sv)
SE (1) SE467260B (sv)

Families Citing this family (13)

* 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
FI925558A (fi) 1992-04-22 1993-10-23 Ahlstroem Oy Foerfarande och anordning foer blekning av massa
US5387317A (en) * 1993-01-28 1995-02-07 The Mead Corporation Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
US6248209B1 (en) 1995-08-10 2001-06-19 Sanyo Chemical Industries, Ltd. Process for bleaching cellulose pulp with a bleaching assistant having the formula R1-O-{[(C2H4O)m/(AO)n}]-H
FR2743094B1 (fr) * 1995-12-27 1998-02-13 Centre Tech Ind Papier Procede de blanchiment des pates a papier chimiques
ID23571A (id) * 1997-08-25 2000-05-04 Praxair Technology Inc Metoda penerapan ozon dalam pemutihan ecf
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
WO2000008251A1 (en) * 1998-07-31 2000-02-17 Asia Pulp & Paper Co. Ltd. An improved method for bleaching pulp
JP2002069879A (ja) * 2000-09-04 2002-03-08 Nippon Paper Industries Co Ltd セルロース質繊維材料のパルプの漂白方法
SE532470C2 (sv) * 2008-05-13 2010-02-02 Metso Paper Inc Slutblekning av oxygendelignifierad massa med ozon, klordioxid och peroxid
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
CN111979823A (zh) * 2020-08-07 2020-11-24 齐鲁工业大学 一种硫酸盐木浆短程序ecf漂白工艺x/d-z-p（x/z-d-p）
CN111979818A (zh) * 2020-08-07 2020-11-24 齐鲁工业大学 一种硫酸盐木浆短程序ecf漂白工艺x/z/d-eop-d或x/d/z-eop-d

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
DE4039099C2 (de) 1994-01-27
NO176061C (no) 1995-01-25
FR2656634B1 (fr) 1996-07-26
JPH04289288A (ja) 1992-10-14
SE8904403L (sv) 1991-06-30
BR9006578A (pt) 1991-10-01
FI95291B (sv) 1995-09-29
CA2031848A1 (en) 1991-06-30
AT396129B (de) 1993-06-25
SE467260B (sv) 1992-06-22
NO905599D0 (no) 1990-12-27
FI906400A (sv) 1991-06-30
ATA251990A (de) 1992-10-15
FI906400A0 (sv) 1990-12-27
NO176061B (no) 1994-10-17
NO905599L (no) 1991-07-01
DE4039099A1 (de) 1991-07-04
FR2656634A1 (fr) 1991-07-05
CA2031848C (en) 1995-11-21
FI95291C (sv) 1996-01-10

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