CA1326942C - Procede pour le traitement a l'ozone d'une pate cellulosique - Google Patents

Procede pour le traitement a l'ozone d'une pate cellulosique

Info

Publication number
CA1326942C
CA1326942C CA000554413A CA554413A CA1326942C CA 1326942 C CA1326942 C CA 1326942C CA 000554413 A CA000554413 A CA 000554413A CA 554413 A CA554413 A CA 554413A CA 1326942 C CA1326942 C CA 1326942C
Authority
CA
Canada
Prior art keywords
ozone
dough
paste
laughed
character
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
CA000554413A
Other languages
English (en)
French (fr)
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
Application granted granted Critical
Publication of CA1326942C publication Critical patent/CA1326942C/fr
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)
CA000554413A 1986-12-31 1987-12-15 Procede pour le traitement a l'ozone d'une pate cellulosique Expired - Fee Related CA1326942C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8618447A FR2609067B1 (fr) 1986-12-31 1986-12-31 Procede pour le traitement a l'ozone d'une pate cellulosique
FR8618447 1986-12-31

Publications (1)

Publication Number Publication Date
CA1326942C true CA1326942C (fr) 1994-02-15

Family

ID=9342498

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000554413A Expired - Fee Related CA1326942C (fr) 1986-12-31 1987-12-15 Procede pour le traitement a l'ozone d'une pate cellulosique

Country Status (9)

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

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, 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
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
US5151288A (en) * 1990-10-16 1992-09-29 Besst Frozen Products, Inc. Food processing apparatus and method
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
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 (de) * 1991-05-24 1997-12-11 Union Camp Patent Holding, Inc., Wilmington, Del. Zweistufiger Reaktor zum Bleichen von Zellstoff und Verfahren zum Bleichen mit Ozon
FR2937656B1 (fr) * 2008-10-24 2010-11-19 Arkema France Procede de fabrication de pate a papier

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO131996C (ja) * 1973-10-04 1975-09-03 Papirind Forskningsinst
FR2436844A2 (fr) * 1978-09-19 1980-04-18 Creusot Loire Procede et machine de fabrication de pate a papier
NO142091C (no) * 1977-10-17 1980-06-25 Myrens Verksted As Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
DE3422087A1 (de) * 1983-06-25 1985-01-03 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Vorrichtung zum herstellen von holzstoff

Also Published As

Publication number Publication date
JPH01501805A (ja) 1989-06-22
PT86482A (fr) 1988-01-01
ES2021083B3 (es) 1991-10-16
WO1988005095A1 (fr) 1988-07-14
NO883795L (no) 1988-08-25
PT86482B (pt) 1990-11-20
EP0276608A1 (fr) 1988-08-03
DE3768936D1 (de) 1991-05-02
NO883795D0 (no) 1988-08-25
EP0276608B1 (fr) 1991-03-27
JP2547246B2 (ja) 1996-10-23
FR2609067B1 (fr) 1990-06-15
FR2609067A1 (fr) 1988-07-01

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