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FI981808L - Method for bleaching pulp - Google Patents

Method for bleaching pulp Download PDF

Info

Publication number
FI981808L
FI981808L FI981808A FI981808A FI981808L FI 981808 L FI981808 L FI 981808L FI 981808 A FI981808 A FI 981808A FI 981808 A FI981808 A FI 981808A FI 981808 L FI981808 L FI 981808L
Authority
FI
Finland
Prior art keywords
bleaching pulp
bleaching
pulp
Prior art date
Application number
FI981808A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI981808A7 (en
FI981808A0 (en
Inventor
Vos Rolfy 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/FI981808L/en
Publication of FI981808A0 publication Critical patent/FI981808A0/en
Priority to AT99939477T priority patent/ATE386836T1/en
Priority to DE69938189T priority patent/DE69938189T2/en
Priority to BRPI9913123-4A priority patent/BR9913123B1/en
Priority to PT99939477T priority patent/PT1115946E/en
Priority to ES99939477T priority patent/ES2303383T3/en
Priority to AU53760/99A priority patent/AU753807B2/en
Priority to IDW20010438A priority patent/ID28478A/en
Priority to EP99939477A priority patent/EP1115946B1/en
Priority to PCT/FI1999/000696 priority patent/WO2000011262A1/en
Priority to JP2000566505A priority patent/JP4888749B2/en
Priority to CA002341490A priority patent/CA2341490C/en
Publication of FI981808A7 publication Critical patent/FI981808A7/en
Publication of FI981808L publication Critical patent/FI981808L/en
Priority to US11/029,732 priority patent/US20050173082A1/en

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/147Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153Bleaching ; 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)
FI981808A 1998-08-24 1998-08-24 Method for bleaching pulp FI981808L (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
FI981808A FI981808L (en) 1998-08-24 1998-08-24 Method for bleaching pulp
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
EP99939477A EP1115946B1 (en) 1998-08-24 1999-08-24 Bleaching of medium consistency pulp with ozone without high shear mixing
BRPI9913123-4A BR9913123B1 (en) 1998-08-24 1999-08-24 method for bleaching pulp pulp.
PT99939477T PT1115946E (en) 1998-08-24 1999-08-24 PULLEY BLEEDING WITH INTERMEDIATE CONSISTENCY WITH OZONE WITHOUT MIXTURE UNDER HIGH CUTTING VOLTAGE
ES99939477T ES2303383T3 (en) 1998-08-24 1999-08-24 WHITENING OF A MEDIUM CONSISTENCY PULP WITH OZONE WITHOUT MIXING WITH ELEVATED SHEARING.
AT99939477T ATE386836T1 (en) 1998-08-24 1999-08-24 OZONE BLEACHING FROM A MEDIUM CONSISTENT PULP WITHOUT HIGH SHEER MIXING
IDW20010438A ID28478A (en) 1998-08-24 1999-08-24 DESIGNING CONSISTENCY PULP ON MEDIUM WITH OZONE WITHOUT HIGH MIXING SHEAR
DE69938189T DE69938189T2 (en) 1998-08-24 1999-08-24 OZONE BLEACHES OF A MEDIUM CONSISTENT PULP WITHOUT HIGH-HERMERICITY
PCT/FI1999/000696 WO2000011262A1 (en) 1998-08-24 1999-08-24 Bleaching of medium consistency pulp with ozone without high shear mixing
JP2000566505A JP4888749B2 (en) 1998-08-24 1999-08-24 Bleaching medium consistency pulp with ozone without high shear mixing
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 FI981808L (en) 1998-08-24 1998-08-24 Method for bleaching pulp

Publications (3)

Publication Number Publication Date
FI981808A0 FI981808A0 (en) 1998-08-24
FI981808A7 FI981808A7 (en) 2000-02-25
FI981808L true FI981808L (en) 2000-02-25

Family

ID=8552347

Family Applications (1)

Application Number Title Priority Date Filing Date
FI981808A FI981808L (en) 1998-08-24 1998-08-24 Method for bleaching pulp

Country Status (12)

Country Link
EP (1) EP1115946B1 (en)
JP (1) JP4888749B2 (en)
AT (1) ATE386836T1 (en)
AU (1) AU753807B2 (en)
BR (1) BR9913123B1 (en)
CA (1) CA2341490C (en)
DE (1) DE69938189T2 (en)
ES (1) ES2303383T3 (en)
FI (1) FI981808L (en)
ID (1) ID28478A (en)
PT (1) PT1115946E (en)
WO (1) WO2000011262A1 (en)

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH073039B2 (en) * 1986-06-02 1995-01-18 三菱製紙株式会社 Pulp bleaching equipment
FI89516B (en) * 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 (en) * 1992-07-08 1994-02-08 Sumitomo Heavy Ind Ltd Method for bleaching pulp with ozone
CA2132165A1 (en) * 1993-09-21 1995-03-22 Lewis D. Shackford Method for rapid ozone bleaching of wood pulp
JP3309332B2 (en) * 1994-04-04 2002-07-29 住友重機械工業株式会社 Pulp bleaching method
SE9502339D0 (en) * 1995-06-28 1995-06-28 Jan Arlemark Gas phase ozone generation device
JPH1121778A (en) * 1997-07-08 1999-01-26 Mitsubishi Paper Mills Ltd Ozone bleaching method for medium density pulp.
FR2768442B1 (en) * 1997-09-15 1999-10-15 Air Liquide PROCESS FOR BLEACHING A PULP WITH OZONE AND CHLORINE DIOXIDE

Also Published As

Publication number Publication date
AU753807B2 (en) 2002-10-31
ID28478A (en) 2001-05-31
DE69938189D1 (en) 2008-04-03
FI981808A7 (en) 2000-02-25
CA2341490A1 (en) 2000-03-02
JP2002523641A (en) 2002-07-30
EP1115946B1 (en) 2008-02-20
AU5376099A (en) 2000-03-14
CA2341490C (en) 2009-10-13
PT1115946E (en) 2008-05-21
BR9913123B1 (en) 2011-02-08
DE69938189T2 (en) 2009-02-12
JP4888749B2 (en) 2012-02-29
EP1115946A1 (en) 2001-07-18
WO2000011262A1 (en) 2000-03-02
BR9913123A (en) 2001-09-25
ES2303383T3 (en) 2008-08-01
FI981808A0 (en) 1998-08-24
ATE386836T1 (en) 2008-03-15

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