SE9102209D0 - Method and apparatus for treating fibrous materials with a gaseous reagent - Google Patents

Method and apparatus for treating fibrous materials with a gaseous reagent

Info

Publication number
SE9102209D0
SE9102209D0 SE9102209A SE9102209A SE9102209D0 SE 9102209 D0 SE9102209 D0 SE 9102209D0 SE 9102209 A SE9102209 A SE 9102209A SE 9102209 A SE9102209 A SE 9102209A SE 9102209 D0 SE9102209 D0 SE 9102209D0
Authority
SE
Sweden
Prior art keywords
fibrous materials
reagent
reaction
gaseous
gaseous reagent
Prior art date
Application number
SE9102209A
Other languages
English (en)
Other versions
SE9102209L (sv
Inventor
L A Carlsmith
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 SE9102209D0 publication Critical patent/SE9102209D0/sv
Publication of SE9102209L publication Critical patent/SE9102209L/sv

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)
SE9102209A 1991-02-06 1991-07-19 Foerfarande foer anordning foer att behandla fibermaterial med ett gasformigt reagensmedel SE9102209L (sv)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE9102209D0 true SE9102209D0 (sv) 1991-07-19
SE9102209L SE9102209L (sv) 1992-08-07

Family

ID=24613432

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9102209A SE9102209L (sv) 1991-02-06 1991-07-19 Foerfarande foer anordning foer att behandla fibermaterial med ett gasformigt reagensmedel

Country Status (12)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
ATE156539T1 (de) * 1991-05-24 1997-08-15 Union Camp Patent Holding Zweistufiger reaktor zum bleichen von zellstoff und verfahren zum bleichen mit ozon
WO1994015017A1 (en) * 1992-12-18 1994-07-07 Ingersoll-Rand Company Pulp and bleaching 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
CA2197190A1 (en) 1994-08-11 1996-02-22 Lewis D. Shackford Means for gas-sealingly conveying shredded pulp
AT402077B (de) * 1995-03-10 1997-01-27 Andritz Patentverwaltung Verfahren und vorrichtung zur behandlung, insbesondere bleichen, von faserstoff
ATE179469T1 (de) * 1995-07-26 1999-05-15 Beloit Technologies Inc Verfahren und vorrichtung zum zellstoffbleichen mit einem gasförmigen bleichmittel
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 (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 (en) * 2017-12-20 2021-05-26 Unicharm Corporation PROCESS FOR EVALUATING THE LEVEL OF PURITY OF RECYCLING MATERIAL, PROCESS FOR MANUFACTURING RECYCLING MATERIAL, RECYCLING PULP FIBER AND PROCESS 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 (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 (en) * 1987-06-08 1992-05-12 Derek Hornsey Method of bleaching or delignification of cellulose pulp with oxygen
FI89516B (fi) * 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
FI913382A (fi) 1992-08-07
ATA139491A (de) 1995-06-15
SE9102209L (sv) 1992-08-07
AU8044191A (en) 1992-08-13
IT1250690B (it) 1995-04-21
ES2050566A1 (es) 1994-05-16
CA2046717A1 (en) 1992-08-07
ITMI912023A0 (it) 1991-07-22
FI913382A0 (fi) 1991-07-12
BR9103446A (pt) 1992-09-29
CN1063915A (zh) 1992-08-26
ES2050566B1 (es) 1994-12-01
ITMI912023A1 (it) 1993-01-22
DE4203131A1 (de) 1992-08-13
FR2672314B1 (fr) 1994-01-14
AU646267B2 (en) 1994-02-17
JPH0657672A (ja) 1994-03-01
FR2672314A1 (fr) 1992-08-07

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