FI981808A0 - Förfarande för blekning av massa - Google Patents

Förfarande för blekning av massa

Info

Publication number
FI981808A0
FI981808A0 FI981808A FI981808A FI981808A0 FI 981808 A0 FI981808 A0 FI 981808A0 FI 981808 A FI981808 A FI 981808A FI 981808 A FI981808 A FI 981808A FI 981808 A0 FI981808 A0 FI 981808A0
Authority
FI
Finland
Prior art keywords
ozone
bleaching process
pulp
pulp bleaching
stream
Prior art date
Application number
FI981808A
Other languages
English (en)
Finnish (fi)
Other versions
FI981808A (sv
Inventor
Vos Rolf De
Panu Tikka
Original Assignee
Crs Reactor Engineering Uk Ltd
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 Crs Reactor Engineering Uk Ltd filed Critical Crs Reactor Engineering Uk Ltd
Priority to FI981808A priority Critical patent/FI981808A/sv
Publication of FI981808A0 publication Critical patent/FI981808A0/sv
Priority to PCT/FI1999/000696 priority patent/WO2000011262A1/en
Priority to AU53760/99A priority patent/AU753807B2/en
Priority to BRPI9913123-4A priority patent/BR9913123B1/pt
Priority to PT99939477T priority patent/PT1115946E/pt
Priority to ES99939477T priority patent/ES2303383T3/es
Priority to CA002341490A priority patent/CA2341490C/en
Priority to IDW20010438A priority patent/ID28478A/id
Priority to AT99939477T priority patent/ATE386836T1/de
Priority to DE69938189T priority patent/DE69938189T2/de
Priority to JP2000566505A priority patent/JP4888749B2/ja
Priority to EP99939477A priority patent/EP1115946B1/en
Publication of FI981808A publication Critical patent/FI981808A/sv
Priority to US11/029,732 priority patent/US20050173082A1/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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FI981808A 1998-08-24 1998-08-24 Förfarande för blekning av massa FI981808A (sv)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FI981808A FI981808A (sv) 1998-08-24 1998-08-24 Förfarande för blekning av massa
EP99939477A EP1115946B1 (en) 1998-08-24 1999-08-24 Bleaching of medium consistency pulp with ozone without high shear mixing
CA002341490A CA2341490C (en) 1998-08-24 1999-08-24 Bleaching of medium consistency pulp with ozone without high shear mixing
AU53760/99A AU753807B2 (en) 1998-08-24 1999-08-24 Bleaching of medium consistency pulp with ozone without high shear mixing
BRPI9913123-4A BR9913123B1 (pt) 1998-08-24 1999-08-24 método para branqueamento de polpa de celulose.
PT99939477T PT1115946E (pt) 1998-08-24 1999-08-24 Branqueamento de polpa com consistência intermédia com ozono sem mistura sob elevada tensão de corte
ES99939477T ES2303383T3 (es) 1998-08-24 1999-08-24 Blanqueo de una pulpa de consistencia media con ozono sin mezcla con cizallamiento elevado.
PCT/FI1999/000696 WO2000011262A1 (en) 1998-08-24 1999-08-24 Bleaching of medium consistency pulp with ozone without high shear mixing
IDW20010438A ID28478A (id) 1998-08-24 1999-08-24 Pengelantangan pulp konsistensi sedang dengan ozon tanpa pencampuran geser yang tinggi
AT99939477T ATE386836T1 (de) 1998-08-24 1999-08-24 Ozonbleiche von einem mittelkonsitenten zellstoff ohne hochschermischung
DE69938189T DE69938189T2 (de) 1998-08-24 1999-08-24 Ozonbleiche von einem mittelkonsistenten zellstoff ohne hochschermischung
JP2000566505A JP4888749B2 (ja) 1998-08-24 1999-08-24 高剪断混合なしの、中程度のコンシステンシーのパルプのオゾンによる漂白
US11/029,732 US20050173082A1 (en) 1998-08-24 2005-01-05 Bleaching of medium consistency pulp with ozone without high shear mixing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI981808A FI981808A (sv) 1998-08-24 1998-08-24 Förfarande för blekning av massa

Publications (2)

Publication Number Publication Date
FI981808A0 true FI981808A0 (sv) 1998-08-24
FI981808A FI981808A (sv) 2000-02-25

Family

ID=8552347

Family Applications (1)

Application Number Title Priority Date Filing Date
FI981808A FI981808A (sv) 1998-08-24 1998-08-24 Förfarande för blekning av massa

Country Status (12)

Country Link
EP (1) EP1115946B1 (sv)
JP (1) JP4888749B2 (sv)
AT (1) ATE386836T1 (sv)
AU (1) AU753807B2 (sv)
BR (1) BR9913123B1 (sv)
CA (1) CA2341490C (sv)
DE (1) DE69938189T2 (sv)
ES (1) ES2303383T3 (sv)
FI (1) FI981808A (sv)
ID (1) ID28478A (sv)
PT (1) PT1115946E (sv)
WO (1) WO2000011262A1 (sv)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH073039B2 (ja) * 1986-06-02 1995-01-18 三菱製紙株式会社 パルプの漂白装置
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
AU636173B2 (en) * 1989-10-30 1993-04-22 Lenzing Aktiengesellschaft Method for the chlorine-free bleaching of pulps
US5411633A (en) * 1991-04-30 1995-05-02 Kamyr, Inc. Medium consistency pulp ozone bleaching
US5372679A (en) * 1992-06-08 1994-12-13 Air Products And Chemicals, Inc. Reactor system for treating cellulosic pulp at a constant upward flow velocity
JPH0633390A (ja) * 1992-07-08 1994-02-08 Sumitomo Heavy Ind Ltd オゾンによるパルプ漂白方法
CA2132165A1 (en) * 1993-09-21 1995-03-22 Lewis D. Shackford Method for rapid ozone bleaching of wood pulp
JP3309332B2 (ja) * 1994-04-04 2002-07-29 住友重機械工業株式会社 パルプ漂白方法
SE9502339D0 (sv) * 1995-06-28 1995-06-28 Jan Arlemark Anordning för generering av ozon i gasfas
JPH1121778A (ja) * 1997-07-08 1999-01-26 Mitsubishi Paper Mills Ltd 中濃度パルプのオゾン漂白方法
FR2768442B1 (fr) * 1997-09-15 1999-10-15 Air Liquide Procede de blanchiment d'une pate a papier avec de l'ozone et du dioxyde de chlore

Also Published As

Publication number Publication date
WO2000011262A1 (en) 2000-03-02
AU753807B2 (en) 2002-10-31
ID28478A (id) 2001-05-31
EP1115946B1 (en) 2008-02-20
BR9913123B1 (pt) 2011-02-08
PT1115946E (pt) 2008-05-21
FI981808A (sv) 2000-02-25
JP4888749B2 (ja) 2012-02-29
CA2341490A1 (en) 2000-03-02
AU5376099A (en) 2000-03-14
BR9913123A (pt) 2001-09-25
JP2002523641A (ja) 2002-07-30
CA2341490C (en) 2009-10-13
ATE386836T1 (de) 2008-03-15
DE69938189D1 (de) 2008-04-03
ES2303383T3 (es) 2008-08-01
DE69938189T2 (de) 2009-02-12
EP1115946A1 (en) 2001-07-18

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