FR2620744A1 - 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 - Google Patents

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 Download PDF

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Publication number
FR2620744A1
FR2620744A1 FR8712890A FR8712890A FR2620744A1 FR 2620744 A1 FR2620744 A1 FR 2620744A1 FR 8712890 A FR8712890 A FR 8712890A FR 8712890 A FR8712890 A FR 8712890A FR 2620744 A1 FR2620744 A1 FR 2620744A1
Authority
FR
France
Prior art keywords
ozone
reactor
treated
gas
treatment
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.)
Withdrawn
Application number
FR8712890A
Other languages
English (en)
French (fr)
Inventor
Christian Coste
Pierre Jan
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.)
Suez International SAS
Original Assignee
Degremont SA
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 Degremont SA filed Critical Degremont SA
Priority to FR8712890A priority Critical patent/FR2620744A1/fr
Priority to AT88402296T priority patent/ATE82340T1/de
Priority to DE198888402296T priority patent/DE308314T1/de
Priority to ES198888402296T priority patent/ES2035339T3/es
Priority to EP88402296A priority patent/EP0308314B1/fr
Priority to CA000577157A priority patent/CA1314664C/fr
Priority to DE8888402296T priority patent/DE3875893T2/de
Priority to FI884267A priority patent/FI93867C/fi
Priority to BR8804806A priority patent/BR8804806A/pt
Priority to NO884128A priority patent/NO174781C/no
Priority to JP63233374A priority patent/JP2731822B2/ja
Publication of FR2620744A1 publication Critical patent/FR2620744A1/fr
Withdrawn legal-status Critical Current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
    • 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)
  • Fertilizers (AREA)
FR8712890A 1987-09-17 1987-09-17 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 Withdrawn FR2620744A1 (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR8712890A FR2620744A1 (fr) 1987-09-17 1987-09-17 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
AT88402296T ATE82340T1 (de) 1987-09-17 1988-09-12 Verfahren zur ozonbehandlung von lignocellulosematerialien, insbesondere papiermassen, und reaktor zum ausfuehren des verfahrens.
DE198888402296T DE308314T1 (de) 1987-09-17 1988-09-12 Verfahren zur ozonbehandlung von lignocellulosematerialien, insbesondere papiermassen, und reaktor zum ausfuehren des verfahrens.
ES198888402296T ES2035339T3 (es) 1987-09-17 1988-09-12 Procedimiento de tratamiento por ozono de materiales ligno-celulosicos, en particular pastas de papel y reactor para la puesta en practica de este procedimiento.
EP88402296A EP0308314B1 (fr) 1987-09-17 1988-09-12 Procédé de traitement par l'ozone de matériaux ligno-cellulosiques, notamment de pâtes à papier et réacteur pour la mise en oeuvre de ce procédé
CA000577157A CA1314664C (fr) 1987-09-17 1988-09-12 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
DE8888402296T DE3875893T2 (de) 1987-09-17 1988-09-12 Verfahren zur ozonbehandlung von lignocellulosematerialien, insbesondere papiermassen, und reaktor zum ausfuehren des verfahrens.
FI884267A FI93867C (fi) 1987-09-17 1988-09-16 Menetelmä paperimassojen käsittelemiseksi otsonilla ja reaktori tämän menetelmän soveltamiseksi
BR8804806A BR8804806A (pt) 1987-09-17 1988-09-16 Processo de tratamento pelo ozonio de material lignocelulosico,especialmente de pasta de papel e reator para a realizacao deste processo
NO884128A NO174781C (no) 1987-09-17 1988-09-16 Fremgangsmåte og reaktor for behandling av papirmasser med ozon
JP63233374A JP2731822B2 (ja) 1987-09-17 1988-09-17 木質セルロース材料特には紙パルプのオゾン処理方法とこの方法を実施する反応器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8712890A FR2620744A1 (fr) 1987-09-17 1987-09-17 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

Publications (1)

Publication Number Publication Date
FR2620744A1 true FR2620744A1 (fr) 1989-03-24

Family

ID=9354988

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8712890A Withdrawn FR2620744A1 (fr) 1987-09-17 1987-09-17 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

Country Status (10)

Country Link
EP (1) EP0308314B1 (fi)
JP (1) JP2731822B2 (fi)
AT (1) ATE82340T1 (fi)
BR (1) BR8804806A (fi)
CA (1) CA1314664C (fi)
DE (2) DE3875893T2 (fi)
ES (1) ES2035339T3 (fi)
FI (1) FI93867C (fi)
FR (1) FR2620744A1 (fi)
NO (1) NO174781C (fi)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5174861A (en) * 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of bleaching high consistency pulp with ozone
US5314583A (en) * 1989-08-16 1994-05-24 Maschinenfabrik Andritz Actiengesellschaft Process for the comminution of materials and plant for carrying out the process
US5387317A (en) * 1993-01-28 1995-02-07 The Mead Corporation Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
US5411633A (en) * 1991-04-30 1995-05-02 Kamyr, Inc. Medium consistency pulp ozone bleaching
US5441603A (en) * 1990-05-17 1995-08-15 Union Camp Patent Holding, Inc. Method for chelation of pulp prior to ozone delignification
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
US5810973A (en) * 1993-09-21 1998-09-22 Beloit Technologies, Inc. Apparatus for producing small particles from high consistency wood pulp
US5863389A (en) * 1990-10-26 1999-01-26 Union Camp Patent Holding, Inc. Pulp bleaching reactor for dispersing high consistency pulp into a gaseous bleaching agent containing ozone
US5942088A (en) * 1995-07-26 1999-08-24 Beloit Technologies, Inc. Apparatus for bleaching high consistency pulp with a gaseous bleaching reagent
US5989388A (en) * 1991-05-24 1999-11-23 Union Camp Patent Holding, Inc. Method for ozone bleaching of high consistency pulp in two stages
US6077396A (en) * 1997-05-16 2000-06-20 Lariviere; Christopher J. Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent
US6210532B1 (en) * 1994-08-11 2001-04-03 Lewis D. Shackford Means for conveying pulp having differential pressure control
US6358363B1 (en) * 1992-12-07 2002-03-19 Andritz-Ahlstrom Oy Method and apparatus for bleaching pulp using two fluidizing mixers
US6547923B1 (en) * 1989-05-10 2003-04-15 Andritz Oy Process for bleaching medium consistency pulp with ozone using a pressurized fluidizing mixer

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5211811A (en) * 1989-02-15 1993-05-18 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5188708A (en) 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5409570A (en) * 1989-02-15 1995-04-25 Union Camp Patent Holding, Inc. Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
US5164044A (en) 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164043A (en) 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
EP0492040A1 (en) * 1990-12-21 1992-07-01 Kamyr, Inc. Tumbling ozone reactor for paper pulp
EP0492039A1 (en) * 1990-12-27 1992-07-01 Kamyr, Inc. Pneumatic reactor ozone bleaching of paper pulp
US5087326A (en) * 1991-02-20 1992-02-11 Union Camp Patent Holding, Inc. Rotating pulp bleaching reactor having inner and outer shells and lifting means on the interior surface of the inner shell
US5554259A (en) 1993-10-01 1996-09-10 Union Camp Patent Holdings, Inc. Reduction of salt scale precipitation by control of process stream Ph and salt concentration
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
SE514416C2 (sv) * 1999-06-10 2001-02-19 Valmet Fibertech Ab Metod och system för gastät inmatning av massa till en reaktor för ozonblekning
FR2811320B1 (fr) * 2000-07-06 2002-08-23 Adir Nouvelle forme cristalline alpha du sel de tert-butylamine du perindopril, son procede de preparation et les compositions pharmaceutiques qui la contiennent

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1591070A (en) * 1925-02-27 1926-07-06 Robert B Wolf Bleaching apparatus
US2013115A (en) * 1931-09-21 1935-09-03 Thorne Carl Busch Process and apparatus for the refining of pulp
US2466633A (en) * 1948-05-26 1949-04-05 James M Daily Method of bleaching cellulosic pulp
FR1441787A (fr) * 1965-04-30 1966-06-10 Progil Procédé de blanchiment des pâtes à papier
FR2329794A1 (fr) * 1975-10-31 1977-05-27 Myrens Verksted As Procede et appareil pour traiter un materiau finement divise avec un gaz
EP0030158A1 (en) * 1979-12-03 1981-06-10 The Black Clawson Company Apparatus and process for medium consistency oxygen delignification of pulp
FR2474550A1 (fr) * 1980-01-24 1981-07-31 Scott Paper Co Procede de blanchiment de pate cellulosique

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5319404A (en) * 1976-04-19 1978-02-22 Toyo Pulp Co Ltd Process and apparatus for treating cellulose material
CA1090510A (en) * 1976-06-02 1980-12-02 Arthur W. Kempf Delignification and bleaching of a lignocellulosic pulp slurry with ozone
JPS5536313A (en) * 1978-08-30 1980-03-13 Hokusan Kk Production of mechanical pulp
FR2609067B1 (fr) * 1986-12-31 1990-06-15 Beghin Say Sa Procede pour le traitement a l'ozone d'une pate cellulosique

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1591070A (en) * 1925-02-27 1926-07-06 Robert B Wolf Bleaching apparatus
US2013115A (en) * 1931-09-21 1935-09-03 Thorne Carl Busch Process and apparatus for the refining of pulp
US2466633A (en) * 1948-05-26 1949-04-05 James M Daily Method of bleaching cellulosic pulp
FR1441787A (fr) * 1965-04-30 1966-06-10 Progil Procédé de blanchiment des pâtes à papier
FR2329794A1 (fr) * 1975-10-31 1977-05-27 Myrens Verksted As Procede et appareil pour traiter un materiau finement divise avec un gaz
EP0030158A1 (en) * 1979-12-03 1981-06-10 The Black Clawson Company Apparatus and process for medium consistency oxygen delignification of pulp
FR2474550A1 (fr) * 1980-01-24 1981-07-31 Scott Paper Co Procede de blanchiment de pate cellulosique

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6579411B1 (en) * 1989-05-10 2003-06-17 Andritz Oy Bleaching medium consistency pulp with ozone
US6547923B1 (en) * 1989-05-10 2003-04-15 Andritz Oy Process for bleaching medium consistency pulp with ozone using a pressurized fluidizing mixer
USRE36033E (en) * 1989-08-16 1999-01-12 Maschinenfabrik Andritz Actiengesellschaft Process for the comminution of materials and plants for carrying out the process
US5314583A (en) * 1989-08-16 1994-05-24 Maschinenfabrik Andritz Actiengesellschaft Process for the comminution of materials and plant for carrying out the process
US5441603A (en) * 1990-05-17 1995-08-15 Union Camp Patent Holding, Inc. Method for chelation of pulp prior to ozone delignification
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
US5174861A (en) * 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of bleaching high consistency pulp with ozone
US5863389A (en) * 1990-10-26 1999-01-26 Union Camp Patent Holding, Inc. Pulp bleaching reactor for dispersing high consistency pulp into a gaseous bleaching agent containing ozone
US5411633A (en) * 1991-04-30 1995-05-02 Kamyr, Inc. Medium consistency pulp ozone bleaching
US5989388A (en) * 1991-05-24 1999-11-23 Union Camp Patent Holding, Inc. Method for ozone bleaching of high consistency pulp in two stages
US6358363B1 (en) * 1992-12-07 2002-03-19 Andritz-Ahlstrom Oy Method and apparatus for bleaching pulp using two fluidizing mixers
US5387317A (en) * 1993-01-28 1995-02-07 The Mead Corporation Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
US5810973A (en) * 1993-09-21 1998-09-22 Beloit Technologies, Inc. Apparatus for producing small particles from high consistency wood pulp
US6210532B1 (en) * 1994-08-11 2001-04-03 Lewis D. Shackford Means for conveying pulp having differential pressure control
US5944952A (en) * 1995-07-26 1999-08-31 Beloit Technologies, Inc. Method for bleaching high consistency pulp with a gaseous bleaching reagent
US5942088A (en) * 1995-07-26 1999-08-24 Beloit Technologies, Inc. Apparatus for bleaching high consistency pulp with a gaseous bleaching reagent
US6077396A (en) * 1997-05-16 2000-06-20 Lariviere; Christopher J. Apparatus for fluffing and contacting high consistancy wood pulp with a gaseous bleaching reagent

Also Published As

Publication number Publication date
NO884128L (no) 1989-03-20
NO174781B (no) 1994-03-28
DE3875893D1 (de) 1992-12-17
EP0308314B1 (fr) 1992-11-11
ES2035339T3 (es) 1993-04-16
NO884128D0 (no) 1988-09-16
FI884267A0 (fi) 1988-09-16
FI93867B (fi) 1995-02-28
JPH0197290A (ja) 1989-04-14
FI884267A (fi) 1989-03-18
ATE82340T1 (de) 1992-11-15
BR8804806A (pt) 1989-04-25
DE308314T1 (de) 1989-10-05
CA1314664C (fr) 1993-03-23
JP2731822B2 (ja) 1998-03-25
FI93867C (fi) 1995-06-12
DE3875893T2 (de) 1993-03-18
NO174781C (no) 1994-07-06
EP0308314A1 (fr) 1989-03-22

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