FR2609067B1 - PROCESS FOR THE OZONE TREATMENT OF A CELLULOSIC PASTE - Google Patents

PROCESS FOR THE OZONE TREATMENT OF A CELLULOSIC PASTE

Info

Publication number
FR2609067B1
FR2609067B1 FR8618447A FR8618447A FR2609067B1 FR 2609067 B1 FR2609067 B1 FR 2609067B1 FR 8618447 A FR8618447 A FR 8618447A FR 8618447 A FR8618447 A FR 8618447A FR 2609067 B1 FR2609067 B1 FR 2609067B1
Authority
FR
France
Prior art keywords
ozone treatment
cellulosic paste
cellulosic
paste
ozone
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.)
Expired - Fee Related
Application number
FR8618447A
Other languages
French (fr)
Other versions
FR2609067A1 (en
Inventor
Jean Paul Delaroche
Jean Claude Cleuet
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.)
Beghin Say SA
Original Assignee
Beghin Say 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 Beghin Say SA filed Critical Beghin Say SA
Priority to FR8618447A priority Critical patent/FR2609067B1/en
Priority to CA000554413A priority patent/CA1326942C/en
Priority to DE8787402949T priority patent/DE3768936D1/en
Priority to ES87402949T priority patent/ES2021083B3/en
Priority to EP87402949A priority patent/EP0276608B1/en
Priority to PCT/FR1987/000510 priority patent/WO1988005095A1/en
Priority to JP63500838A priority patent/JP2547246B2/en
Priority to PT86482A priority patent/PT86482B/en
Publication of FR2609067A1 publication Critical patent/FR2609067A1/en
Priority to NO883795A priority patent/NO883795D0/en
Priority to FI883932A priority patent/FI883932A0/en
Application granted granted Critical
Publication of FR2609067B1 publication Critical patent/FR2609067B1/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/24—Extrusion presses; Dies therefor using screws or worms
    • B30B11/246—Screw constructions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B11/00—Presses specially adapted for forming shaped articles from material in particulate or plastic state, e.g. briquetting presses, tabletting presses
    • B30B11/22—Extrusion presses; Dies therefor
    • B30B11/24—Extrusion presses; Dies therefor using screws or worms
    • B30B11/243—Extrusion presses; Dies therefor using screws or worms using two or more screws working in the same chamber
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • 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

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
FR8618447A 1986-12-31 1986-12-31 PROCESS FOR THE OZONE TREATMENT OF A CELLULOSIC PASTE Expired - Fee Related FR2609067B1 (en)

Priority Applications (10)

Application Number Priority Date Filing Date Title
FR8618447A FR2609067B1 (en) 1986-12-31 1986-12-31 PROCESS FOR THE OZONE TREATMENT OF A CELLULOSIC PASTE
CA000554413A CA1326942C (en) 1986-12-31 1987-12-15 Ozone treatment of cellulose pulp
ES87402949T ES2021083B3 (en) 1986-12-31 1987-12-22 PROCEDURE FOR OZONE TREATMENT OF A CELLULOSE PASTE.
EP87402949A EP0276608B1 (en) 1986-12-31 1987-12-22 Process for treating a paper slurry with ozone
DE8787402949T DE3768936D1 (en) 1986-12-31 1987-12-22 METHOD FOR OZONE TREATMENT OF CELLULOSE MASH.
JP63500838A JP2547246B2 (en) 1986-12-31 1987-12-23 Treatment method of cellulose pulp with ozone
PCT/FR1987/000510 WO1988005095A1 (en) 1986-12-31 1987-12-23 Method for treating a cellulose pulp with ozone
PT86482A PT86482B (en) 1986-12-31 1987-12-30 PROCESS FOR THE TREATMENT OF A CELLULOSE PASTE WITH OZONE
NO883795A NO883795D0 (en) 1986-12-31 1988-08-25 CELLULOSE TREATMENT.
FI883932A FI883932A0 (en) 1986-12-31 1988-08-25 FOERFARANDE FOER BEHANDLING AV CELLULOSAMASSA MEDELST OZON.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8618447A FR2609067B1 (en) 1986-12-31 1986-12-31 PROCESS FOR THE OZONE TREATMENT OF A CELLULOSIC PASTE

Publications (2)

Publication Number Publication Date
FR2609067A1 FR2609067A1 (en) 1988-07-01
FR2609067B1 true FR2609067B1 (en) 1990-06-15

Family

ID=9342498

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8618447A Expired - Fee Related FR2609067B1 (en) 1986-12-31 1986-12-31 PROCESS FOR THE OZONE TREATMENT OF A CELLULOSIC PASTE

Country Status (9)

Country Link
EP (1) EP0276608B1 (en)
JP (1) JP2547246B2 (en)
CA (1) CA1326942C (en)
DE (1) DE3768936D1 (en)
ES (1) ES2021083B3 (en)
FR (1) FR2609067B1 (en)
NO (1) NO883795D0 (en)
PT (1) PT86482B (en)
WO (1) WO1988005095A1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2620744A1 (en) * 1987-09-17 1989-03-24 Degremont PROCESS FOR THE OZONE TREATMENT OF LIGNO-CELLULOSIC MATERIALS, IN PARTICULAR PAPER PULP AND REACTOR FOR THE IMPLEMENTATION OF SAID METHOD
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
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
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
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
US5030465A (en) * 1990-10-16 1991-07-09 Besst Frozen Products, Inc. Apparatus and method for making frozen confections
US5229150A (en) * 1990-10-16 1993-07-20 Besst Frozen Products, Inc. Food processing apparatus and method
US5151288A (en) * 1990-10-16 1992-09-29 Besst Frozen Products, Inc. Food processing apparatus and method
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
DE69221385T2 (en) * 1991-05-24 1997-12-11 Union Camp Patent Holding Two-stage pulp bleaching reactor and method for bleaching with ozone
FR2937656B1 (en) * 2008-10-24 2010-11-19 Arkema France PROCESS FOR PRODUCING PAPER PULP

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO131996C (en) * 1973-10-04 1975-09-03 Papirind Forskningsinst
FR2436844A2 (en) * 1978-09-19 1980-04-18 Creusot Loire Converting lignocellulose material into fibre pulp - for paper-making, by introducing bleach whilst the lignocellulose is being broken down
NO142091C (en) * 1977-10-17 1980-06-25 Myrens Verksted As PROCEDURE FOR OZONE TREATMENT OF REFINO MECHANICAL AND THERMOMECHANICAL MASS.
DE3422087A1 (en) * 1983-06-25 1985-01-03 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Apparatus for the production of wood pulp

Also Published As

Publication number Publication date
CA1326942C (en) 1994-02-15
PT86482A (en) 1988-01-01
JP2547246B2 (en) 1996-10-23
ES2021083B3 (en) 1991-10-16
WO1988005095A1 (en) 1988-07-14
NO883795L (en) 1988-08-25
JPH01501805A (en) 1989-06-22
PT86482B (en) 1990-11-20
NO883795D0 (en) 1988-08-25
EP0276608A1 (en) 1988-08-03
FR2609067A1 (en) 1988-07-01
EP0276608B1 (en) 1991-03-27
DE3768936D1 (en) 1991-05-02

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Legal Events

Date Code Title Description
CD Change of name or company name
ST Notification of lapse