FI913382A0 - Foerfarande och anordning foer behandling av fiberartat material med en gasforming reagens. - Google Patents

Foerfarande och anordning foer behandling av fiberartat material med en gasforming reagens.

Info

Publication number
FI913382A0
FI913382A0 FI913382A FI913382A FI913382A0 FI 913382 A0 FI913382 A0 FI 913382A0 FI 913382 A FI913382 A FI 913382A FI 913382 A FI913382 A FI 913382A FI 913382 A0 FI913382 A0 FI 913382A0
Authority
FI
Finland
Prior art keywords
bearing
gasforming
reagents
fiber material
fiber
Prior art date
Application number
FI913382A
Other languages
English (en)
Other versions
FI913382A (fi
Inventor
Lawrence 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 FI913382A0 publication Critical patent/FI913382A0/fi
Publication of FI913382A publication Critical patent/FI913382A/fi

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)
FI913382A 1991-02-06 1991-07-12 Foerfarande och anordning foer behandling av fiberartat material med en gasforming reagens. FI913382A (fi)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
FI913382A0 true FI913382A0 (fi) 1991-07-12
FI913382A FI913382A (fi) 1992-08-07

Family

ID=24613432

Family Applications (1)

Application Number Title Priority Date Filing Date
FI913382A FI913382A (fi) 1991-02-06 1991-07-12 Foerfarande och anordning foer behandling av fiberartat material med en gasforming reagens.

Country Status (12)

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

Families Citing this family (17)

* 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.
EP0674730A4 (en) * 1992-12-18 1996-04-10 Ingersoll Rand Co METHOD AND DEVICE FOR MIXING CELLULAR AND BLENDER.
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 (de) * 1995-03-10 1997-01-27 Andritz Patentverwaltung Verfahren und vorrichtung zur behandlung, insbesondere bleichen, von faserstoff
BR9609840A (pt) * 1995-07-26 1999-03-09 Beloit Technologies Inc Processo e aparelho para alvejamento de polpa com reagente de alvejamento gasoso
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
US11802373B2 (en) * 2017-12-20 2023-10-31 Unicharm Corporation Method for evaluating degree of cleanliness of recycled material, method for manufacturing recycled material, and method for manufacturing recycled pulp fiber
CN114921989A (zh) * 2022-06-08 2022-08-19 浙江临安金洲纸业有限公司 一种造纸的纸浆疏解装置

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
JPH0657672A (ja) 1994-03-01
ES2050566A1 (es) 1994-05-16
AU646267B2 (en) 1994-02-17
ATA139491A (de) 1995-06-15
FI913382A (fi) 1992-08-07
FR2672314A1 (fr) 1992-08-07
DE4203131A1 (de) 1992-08-13
SE9102209D0 (sv) 1991-07-19
ES2050566B1 (es) 1994-12-01
SE9102209L (sv) 1992-08-07
ITMI912023A0 (it) 1991-07-22
BR9103446A (pt) 1992-09-29
FR2672314B1 (fr) 1994-01-14
CA2046717A1 (en) 1992-08-07
CN1063915A (zh) 1992-08-26
IT1250690B (it) 1995-04-21
ITMI912023A1 (it) 1993-01-22
AU8044191A (en) 1992-08-13

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Legal Events

Date Code Title Description
GB Transfer or assigment of application

Owner name: BELOIT TECHNOLOGIES, INC.

FD Application lapsed