FR2672314B1 - Procede et appareil de traitement des matieres fibreuses, et appareil de blanchiment de pate de bois par un reactif gazeux. - Google Patents

Procede et appareil de traitement des matieres fibreuses, et appareil de blanchiment de pate de bois par un reactif gazeux.

Info

Publication number
FR2672314B1
FR2672314B1 FR9113942A FR9113942A FR2672314B1 FR 2672314 B1 FR2672314 B1 FR 2672314B1 FR 9113942 A FR9113942 A FR 9113942A FR 9113942 A FR9113942 A FR 9113942A FR 2672314 B1 FR2672314 B1 FR 2672314B1
Authority
FR
France
Prior art keywords
wood pulp
fibrous materials
gaseous reagent
treating fibrous
bleaching wood
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
FR9113942A
Other languages
English (en)
Other versions
FR2672314A1 (fr
Inventor
Lawrence A. Carlsmith
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.)
Ingersoll Rand Co
Original Assignee
Ingersoll Rand Co
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 Ingersoll Rand Co filed Critical Ingersoll Rand Co
Publication of FR2672314A1 publication Critical patent/FR2672314A1/fr
Application granted granted Critical
Publication of FR2672314B1 publication Critical patent/FR2672314B1/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Inorganic Fibers (AREA)
FR9113942A 1991-02-06 1991-11-13 Procede et appareil de traitement des matieres fibreuses, et appareil de blanchiment de pate de bois par un reactif gazeux. Expired - Fee Related FR2672314B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US65158691A 1991-02-06 1991-02-06

Publications (2)

Publication Number Publication Date
FR2672314A1 FR2672314A1 (fr) 1992-08-07
FR2672314B1 true FR2672314B1 (fr) 1994-01-14

Family

ID=24613432

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9113942A Expired - Fee Related FR2672314B1 (fr) 1991-02-06 1991-11-13 Procede et appareil de traitement des matieres fibreuses, et appareil de blanchiment de pate de bois par un reactif gazeux.

Country Status (12)

Country Link
JP (1) JPH0657672A (fr)
CN (1) CN1063915A (fr)
AT (1) ATA139491A (fr)
AU (1) AU646267B2 (fr)
BR (1) BR9103446A (fr)
CA (1) CA2046717A1 (fr)
DE (1) DE4203131A1 (fr)
ES (1) ES2050566B1 (fr)
FI (1) FI913382A (fr)
FR (1) FR2672314B1 (fr)
IT (1) IT1250690B (fr)
SE (1) SE9102209L (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
DE69221385T2 (de) * 1991-05-24 1997-12-11 Union Camp Patent Holding Zweistufiger Reaktor zum Bleichen von Zellstoff und Verfahren zum Bleichen mit Ozon
EP0674730A4 (fr) * 1992-12-18 1996-04-10 Ingersoll Rand Co Procede et dispositif de melange de reactif de blanchiment et de pate a papier.
US5810973A (en) * 1993-09-21 1998-09-22 Beloit Technologies, Inc. Apparatus for producing small particles from high consistency wood pulp
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
CA2197190A1 (fr) * 1994-08-11 1996-02-22 Lewis D. Shackford Dispositif de manutention de pate a papier dechiquetee a etancheite au gaz
AT402077B (de) * 1995-03-10 1997-01-27 Andritz Patentverwaltung Verfahren und vorrichtung zur behandlung, insbesondere bleichen, von faserstoff
US5944952A (en) * 1995-07-26 1999-08-31 Beloit Technologies, Inc. Method for bleaching high consistency pulp with a gaseous bleaching reagent
WO1997005327A1 (fr) * 1995-07-26 1997-02-13 Beloit Technologies, Inc. Procede et equipement de blanchiment de pate a papier au moyen d'un reactif de blanchiment gazeux
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
SE514416C2 (sv) * 1999-06-10 2001-02-19 Valmet Fibertech Ab Metod och system för gastät inmatning av massa till en reaktor för ozonblekning
DE10349120A1 (de) * 2003-10-22 2005-05-25 Voith Paper Patent Gmbh Maschine mit Zwangsfördereinrichtung zum Abführen von bei einem Vorhang-Auftragswerk abgegebenem Auftragsmedium in Betriebsunterbrechungsphasen
CN103439216B (zh) * 2013-07-22 2015-04-22 广东轻工职业技术学院 一种纸浆纤维悬浮液中气体含量测量装置
EP3712611A4 (fr) * 2017-12-20 2021-05-26 Unicharm Corporation Procédé d'évaluation du degré de propreté d'un matériau recyclé, procédé de fabrication de matériau recyclé, fibre de pâte recyclée et procédé de fabrication de fibre de pâte recyclée

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3041233A (en) * 1957-12-17 1962-06-26 Kamyr Ab Method of introducing high density pulp into a pressure vessel
NO137651C (no) * 1975-10-31 1978-03-29 Myrens Verksted As Fremgangsmaate og apparat til kontinuerlig behandling av findelt fibermateriale eller celluloseholdig masse med gass uten overtrykk.
US4303470A (en) * 1979-06-15 1981-12-01 Weyerhaeuser Company Method and apparatus for mixing gases with a wood pulp slurry
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp
US4426256A (en) * 1982-03-09 1984-01-17 Myrens Verksted A/S Apparatus for treating fibrous material with a gas
CA1300322C (fr) * 1987-06-08 1992-05-12 Derek Hornsey Methode de blanchiment ou de delignification de la pate de cellulose par de l'oxygene
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
EP0492040A1 (fr) * 1990-12-21 1992-07-01 Kamyr, Inc. Réacteur rotatif à ozone pour pâte à papier
EP0492039A1 (fr) * 1990-12-27 1992-07-01 Kamyr, Inc. Réacteur pneumatique pour le blanchiment à l'ozone de pâte à papier

Also Published As

Publication number Publication date
SE9102209D0 (sv) 1991-07-19
FR2672314A1 (fr) 1992-08-07
ITMI912023A0 (it) 1991-07-22
ITMI912023A1 (it) 1993-01-22
BR9103446A (pt) 1992-09-29
ATA139491A (de) 1995-06-15
DE4203131A1 (de) 1992-08-13
AU8044191A (en) 1992-08-13
SE9102209L (sv) 1992-08-07
AU646267B2 (en) 1994-02-17
CN1063915A (zh) 1992-08-26
IT1250690B (it) 1995-04-21
ES2050566A1 (es) 1994-05-16
FI913382A (fi) 1992-08-07
CA2046717A1 (fr) 1992-08-07
FI913382A0 (fi) 1991-07-12
ES2050566B1 (es) 1994-12-01
JPH0657672A (ja) 1994-03-01

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Legal Events

Date Code Title Description
ST Notification of lapse