ATA139491A - METHOD AND DEVICE FOR TREATING FIBROUS MATERIALS WITH A GASEOUS REAGENT - Google Patents

METHOD AND DEVICE FOR TREATING FIBROUS MATERIALS WITH A GASEOUS REAGENT

Info

Publication number
ATA139491A
ATA139491A AT0139491A AT139491A ATA139491A AT A139491 A ATA139491 A AT A139491A AT 0139491 A AT0139491 A AT 0139491A AT 139491 A AT139491 A AT 139491A AT A139491 A ATA139491 A AT A139491A
Authority
AT
Austria
Prior art keywords
fibrous materials
gaseous reagent
treating fibrous
treating
gaseous
Prior art date
Application number
AT0139491A
Other languages
German (de)
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 ATA139491A publication Critical patent/ATA139491A/en

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)
AT0139491A 1991-02-06 1991-07-11 METHOD AND DEVICE FOR TREATING FIBROUS MATERIALS WITH A GASEOUS REAGENT ATA139491A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ATA139491A true ATA139491A (en) 1995-06-15

Family

ID=24613432

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0139491A ATA139491A (en) 1991-02-06 1991-07-11 METHOD AND DEVICE FOR TREATING FIBROUS MATERIALS WITH A GASEOUS REAGENT

Country Status (12)

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

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
NZ242792A (en) * 1991-05-24 1993-12-23 Union Camp Patent Holding Two-stage pulp bleaching reactor: pulp mixed with ozone in first stage.
CA2151814A1 (en) * 1992-12-18 1994-07-07 Beloit Technologies, Inc. Pulp and bleach reagent mixer and method
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
WO1996005365A1 (en) 1994-08-11 1996-02-22 Beloit Technologies, Inc. Means for gas-sealingly conveying shredded pulp
AT402077B (en) * 1995-03-10 1997-01-27 Andritz Patentverwaltung METHOD AND DEVICE FOR TREATING FIBER FABRIC, ESPECIALLY BLEACHING
CA2227690A1 (en) * 1995-07-26 1997-02-13 L. Allan Carlsmith Method and apparatus for bleaching pulp with a gaseous bleaching reagent
US5944952A (en) * 1995-07-26 1999-08-31 Beloit Technologies, Inc. Method 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
SE514416C2 (en) * 1999-06-10 2001-02-19 Valmet Fibertech Ab Method and system for gas-tight feed of pulp to an ozone bleaching reactor
DE10349120A1 (en) * 2003-10-22 2005-05-25 Voith Paper Patent Gmbh System for continuous coating of material strip with a liquid or viscous product has a collecting trough for excess fluid at the start and end of the process and with active removal of the fluid from the trough
CN103439216B (en) * 2013-07-22 2015-04-22 广东轻工职业技术学院 Apparatus for determining gas content in paper-pulp fiber suspension
WO2019124527A1 (en) * 2017-12-20 2019-06-27 ユニ・チャーム株式会社 Method for evaluating degree of cleanliness of recycled material, method for manufacturing recycled material, recycled pulp fiber, and method for manufacturing recycled pulp fiber

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 (en) * 1975-10-31 1978-03-29 Myrens Verksted As PROCEDURE AND APPARATUS FOR CONTINUOUS TREATMENT OF FINDEL FIBER MATERIAL OR CELLULOSIZED MASS WITH GAS WITHOUT COVER.
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 (en) * 1987-06-08 1992-05-12 Derek Hornsey Method of bleaching or delignification of cellulose pulp with oxygen
FI89516B (en) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande Foer blekning av cellulosamassa med Otson
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

Also Published As

Publication number Publication date
AU646267B2 (en) 1994-02-17
ES2050566A1 (en) 1994-05-16
SE9102209L (en) 1992-08-07
IT1250690B (en) 1995-04-21
CA2046717A1 (en) 1992-08-07
JPH0657672A (en) 1994-03-01
FI913382A0 (en) 1991-07-12
DE4203131A1 (en) 1992-08-13
ITMI912023A0 (en) 1991-07-22
BR9103446A (en) 1992-09-29
FR2672314B1 (en) 1994-01-14
ES2050566B1 (en) 1994-12-01
ITMI912023A1 (en) 1993-01-22
SE9102209D0 (en) 1991-07-19
AU8044191A (en) 1992-08-13
CN1063915A (en) 1992-08-26
FR2672314A1 (en) 1992-08-07
FI913382A (en) 1992-08-07

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Legal Events

Date Code Title Description
A1Z Withdrawn
REN Ceased due to non-payment of the annual fee