CA2012771A1 - Methode de blanchiment de la pate de cellulose a l'ozone - Google Patents

Methode de blanchiment de la pate de cellulose a l'ozone

Info

Publication number
CA2012771A1
CA2012771A1 CA2012771A CA2012771A CA2012771A1 CA 2012771 A1 CA2012771 A1 CA 2012771A1 CA 2012771 A CA2012771 A CA 2012771A CA 2012771 A CA2012771 A CA 2012771A CA 2012771 A1 CA2012771 A1 CA 2012771A1
Authority
CA
Canada
Prior art keywords
ozone
pulp
consistency
fibers
range
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2012771A
Other languages
English (en)
Other versions
CA2012771C (fr
Inventor
Kaj Henricson
Torolf Laxen
Juhani Peltonen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Andritz Oy
Original Assignee
Ahlstrom Corp
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8528390&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2012771(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ahlstrom Corp filed Critical Ahlstrom Corp
Publication of CA2012771A1 publication Critical patent/CA2012771A1/fr
Application granted granted Critical
Publication of CA2012771C publication Critical patent/CA2012771C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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)
  • Investigating Or Analysing Biological Materials (AREA)
  • Steroid Compounds (AREA)
  • Saccharide Compounds (AREA)
CA002012771A 1989-05-10 1990-03-22 Methode de blanchiment de la pate de cellulose a l'ozone Expired - Lifetime CA2012771C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI892243A FI89516B (fi) 1989-05-10 1989-05-10 Foerfarande foer blekning av cellulosamassa med otson
FI892243 1989-05-10

Publications (2)

Publication Number Publication Date
CA2012771A1 true CA2012771A1 (fr) 1990-11-10
CA2012771C CA2012771C (fr) 1996-03-26

Family

ID=8528390

Family Applications (2)

Application Number Title Priority Date Filing Date
CA002012771A Expired - Lifetime CA2012771C (fr) 1989-05-10 1990-03-22 Methode de blanchiment de la pate de cellulose a l'ozone
CA002054727A Abandoned CA2054727A1 (fr) 1989-05-10 1990-03-29 Methode et appareil de traitement des pates

Family Applications After (1)

Application Number Title Priority Date Filing Date
CA002054727A Abandoned CA2054727A1 (fr) 1989-05-10 1990-03-29 Methode et appareil de traitement des pates

Country Status (9)

Country Link
US (3) US5266160A (fr)
EP (2) EP0397308B1 (fr)
JP (2) JPH0340888A (fr)
AT (1) ATE111371T1 (fr)
CA (2) CA2012771C (fr)
DE (2) DE69028797T2 (fr)
FI (1) FI89516B (fr)
RU (1) RU2025547C1 (fr)
WO (1) WO1990013344A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5451296A (en) * 1991-05-24 1995-09-19 Union Camp Patent Holding, Inc. Two stage pulp bleaching reactor
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
US6261679B1 (en) 1998-05-22 2001-07-17 Kimberly-Clark Worldwide, Inc. Fibrous absorbent material and methods of making the same
US6358363B1 (en) 1992-12-07 2002-03-19 Andritz-Ahlstrom Oy Method and apparatus for bleaching pulp using two fluidizing mixers

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
SE467261B (sv) * 1989-12-29 1992-06-22 Kamyr Ab Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg
SE467260B (sv) * 1989-12-29 1992-06-22 Kamyr Ab Blekning av cellulosamassa med klordioxid och ozon i ett och samma steg
AR245799A1 (es) * 1990-10-26 1994-02-28 Union Camp Patent Holding Reactor y metodo para el blanqueo de pasta.
CA2046717A1 (fr) * 1991-02-06 1992-08-07 Beloit Technologies, Inc. Methode de traitement de matieres fibreuses au moyen d'un reactif gazeux et appareil connexe
US5411634A (en) * 1991-04-30 1995-05-02 Kamyr, Inc. Medium consistency ozone bleaching
US5411633A (en) * 1991-04-30 1995-05-02 Kamyr, Inc. Medium consistency pulp ozone bleaching
AT395445B (de) * 1991-05-02 1992-12-28 Voest Alpine Ind Anlagen Verfahren zum bleichen von cellulosehaeltigem material
NO912449L (no) * 1991-06-24 1992-12-28 Norske Stats Oljeselskap Flyttbar plattform til havs.
ZA924351B (en) * 1991-06-27 1993-03-31 Ahlstroem Oy Ozone bleaching process
FI97024C (fi) * 1991-07-15 1996-10-10 Ahlstroem Oy Menetelmä ja laite kaasun erottamiseksi kaasupitoisesta materiaalista
US5286479A (en) * 1991-12-10 1994-02-15 The Dow Chemical Company Oral compositions for suppressing mouth odors
AT400154B (de) * 1991-12-23 1995-10-25 Voest Alpine Ind Anlagen Verfahren zum bleichen cellulosehältiger materialien
JP3437597B2 (ja) * 1992-03-04 2003-08-18 ラツィオナル アクチエンゲゼルシャフト ガス成分除去装置
AU4071293A (en) * 1992-05-19 1993-12-13 Pom Technology Oy Ab Apparatus and process for pumping and separating a mixture of gas and liquid
CA2078276C (fr) * 1992-09-15 2004-05-25 Derek Hornsey Procede de recuperation de gaz a teneur elevee en oxygene a partir de procedes de blanchiment par l'ozone
US5364505A (en) * 1992-12-07 1994-11-15 Kamyr, Inc. Pressurized ozone pulp delignification reactor and a compressor for supplying ozone to the reactor
US5387317A (en) * 1993-01-28 1995-02-07 The Mead Corporation Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
US6340409B1 (en) * 1993-04-29 2002-01-22 Lewis Donald Shackford Method for multistage bleaching using gaseous reagent in the first stage with controlled gas release
SE500616C2 (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
FI97332C (fi) * 1993-12-23 2006-11-24 Pom Tech Oy Ab Kaasunerotuspumppu paperinvalmistuksessa virtaavan veden tai nestemäisen kuitususpension ja ilman erottamiseksi toisistaan pumppauksen yhteydessä
SE505680C2 (sv) * 1994-11-15 1997-09-29 Kvaerner Pulping Tech Reaktor för behandling av massa med gas, innefattande ett avgasande utloppsorgan
US6579412B2 (en) * 1998-05-08 2003-06-17 L'air Liquide - Societe' Anonyme A' Directoire Et Conseil De Surveillance Pour L'etude Et L'exploitation Des Procedes Georges Claude Process for ozone bleaching of low consistency pulp
JP3017712B2 (ja) * 1998-05-15 2000-03-13 松下電送システム株式会社 インターネット・ファクシミリ
FI981808L (fi) * 1998-08-24 2000-02-25 Crs Reactor Engineering Uk Ltd Menetelmä massan valkaisemiseksi
FI20031164L (fi) * 2003-07-09 2005-01-10 Sulzer Pumpen Ag Menetelmä ja laitteisto massan käsittelemiseksi
FI20050733L (fi) * 2005-06-22 2006-12-23 Sulzer Pumpen Ag Kaasunerotuslaite, sen etuseinä ja erotuspyörä
AT510538B1 (de) 2010-09-27 2013-02-15 Andritz Ag Maschf Zentrifugalpumpe
SE538752C2 (en) * 2014-11-21 2016-11-08 Innventia Ab Process for the production of a treated pulp, treated pulp, and textile fibers produced from the treated pulp

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI45574C (fi) 1970-05-11 1972-07-10 Kymin Oy Kymmene Ab Menetelmä selluloosapitoisten aineiden valkaisemiseksi.
US4002528A (en) * 1972-02-18 1977-01-11 Kamyr, Inc. Apparatus for processing pulp
US3832276A (en) * 1973-03-07 1974-08-27 Int Paper Co Delignification and bleaching of a cellulose pulp slurry with oxygen
SE390549C (sv) * 1973-12-20 1986-04-14 Ahlstroem Oy Sett att bleka cellulosahaltigt material med syre eller fritt syre innehallande gas i alkalisk miljo
JPS524643A (en) * 1975-06-30 1977-01-13 Kubota Ltd Disposal apparatus for incoming floating substance
US4119486A (en) * 1975-08-14 1978-10-10 Westvaco Corporation Process for bleaching wood pulp with ozone in the presence of a cationic surfactant
CA1090510A (fr) * 1976-06-02 1980-12-02 Arthur W. Kempf Delignification et blanchiment par l'ozone d'une pate lignocellulosique liquide
US4080249A (en) * 1976-06-02 1978-03-21 International Paper Company Delignification and bleaching of a lignocellulosic pulp slurry with ozone
JPS5430902A (en) * 1977-06-27 1979-03-07 Seisan Kaihatsu Kagaku Kenkyus Industrial multistage pulp bleaching method
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
FI62872C (fi) * 1978-06-06 1983-03-10 Ahlstroem Oy Anordning foer silning av fibersuspensioner
JPS5540710A (en) * 1978-09-14 1980-03-22 Hitachi Chem Co Ltd Pressure-sensitive adhesive composition
US4209359A (en) * 1978-10-23 1980-06-24 International Paper Company Process for removing residual oxygen from oxygen-bleached pulp
JPS5658086A (en) 1979-10-17 1981-05-20 Kogyo Gijutsuin Multistage bleaching method of pulps
SE419603B (sv) * 1979-11-27 1981-08-17 Kamyr Ab Apparat for inblandning av behandlingsmedel i suspensioner
US4435193A (en) * 1980-04-07 1984-03-06 Kamyr Ab Controlling operation of a centrifugal pump
US4410337A (en) * 1980-04-07 1983-10-18 A. Ahlstrom Osakeyhtio Method and an apparatus for separating a gas from a fibre suspension
US4362536A (en) * 1981-06-08 1982-12-07 Kamyr, Inc. Pulp degassing
EP0087412B1 (fr) 1981-09-04 1987-12-09 Weyerhaeuser Company Procede et dispositif de melange de pulpe avec des gaz
FI73023C (fi) * 1984-07-17 1987-08-10 Ahlstroem Oy Anordning foer avskiljande av gas ur en fibersuspension.
US4886577A (en) * 1985-05-03 1989-12-12 Kamyr, Inc. Method and apparatus for mixing oxygen gas with medium consistency pulp in a pump discharge
US4826398A (en) * 1987-07-06 1989-05-02 Kamyr Ab Medium consistency pump with self-feeding
FR2620744A1 (fr) * 1987-09-17 1989-03-24 Degremont Procede de traitement par l'ozone de materiaux ligno-cellulosiques, notamment de pates a papier et reacteur pour la mise en oeuvre de ce procede
ATE164895T1 (de) * 1988-02-26 1998-04-15 Ahlstroem Oy Verfahren und vorrichtung zum behandeln von faserbrei
US4902381A (en) * 1988-12-09 1990-02-20 Kamyr, Inc. Method of bleaching pulp with ozone-chlorine mixtures
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
DE69004492T3 (de) 1989-06-06 2001-11-15 Eka Nobel Ab, Bohus Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
SE466061B (sv) 1990-04-23 1991-12-09 Eka Nobel Ab Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
JPH04244972A (ja) 1991-01-31 1992-09-01 Nec Corp 表面電位計
SE470065C (sv) 1991-04-30 1996-01-15 Eka Nobel Ab Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning
ZA924351B (en) 1991-06-27 1993-03-31 Ahlstroem Oy Ozone bleaching process
FI925159A0 (fi) 1992-11-13 1992-11-13 Ahlstroem Oy Foerfarande foer blekning av massa
FI93232C (fi) 1993-03-03 1995-03-10 Ahlstroem Oy Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
SE500616C2 (sv) 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
US5451296A (en) * 1991-05-24 1995-09-19 Union Camp Patent Holding, Inc. Two stage pulp bleaching reactor
US6358363B1 (en) 1992-12-07 2002-03-19 Andritz-Ahlstrom Oy Method and apparatus for bleaching pulp using two fluidizing mixers
US6261679B1 (en) 1998-05-22 2001-07-17 Kimberly-Clark Worldwide, Inc. Fibrous absorbent material and methods of making the same
US6603054B2 (en) 1998-05-22 2003-08-05 Kimberly-Clark Worldwide, Inc. Fibrous absorbent material and methods of making the same

Also Published As

Publication number Publication date
US6579411B1 (en) 2003-06-17
EP0397308A2 (fr) 1990-11-14
EP0397308A3 (fr) 1991-04-17
US6547923B1 (en) 2003-04-15
JPH0340888A (ja) 1991-02-21
ATE111371T1 (de) 1994-09-15
DE69028797D1 (de) 1996-11-14
DE69012563D1 (de) 1994-10-20
FI892243A0 (fi) 1989-05-10
FI89516B (fi) 1993-06-30
WO1990013344A1 (fr) 1990-11-15
RU2025547C1 (ru) 1994-12-30
EP0479789B1 (fr) 1994-09-14
DE69028797T2 (de) 1997-03-06
EP0397308B1 (fr) 1996-10-09
CA2012771C (fr) 1996-03-26
JPH05500241A (ja) 1993-01-21
EP0479789A1 (fr) 1992-04-15
CA2054727A1 (fr) 1990-11-11
FI892243A7 (fi) 1990-11-11
US5266160A (en) 1993-11-30

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