FI763075A - - Google Patents

Info

Publication number
FI763075A
FI763075A FI763075A FI763075A FI763075A FI 763075 A FI763075 A FI 763075A FI 763075 A FI763075 A FI 763075A FI 763075 A FI763075 A FI 763075A FI 763075 A FI763075 A FI 763075A
Authority
FI
Finland
Application number
FI763075A
Other versions
FI59826C (fi
FI59826B (fi
Inventor
Bjorn H Fritzvold
Helge Carling
Leif Henrik Eriksen
Original Assignee
Myrens Verksted As
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 Myrens Verksted As filed Critical Myrens Verksted As
Publication of FI763075A publication Critical patent/FI763075A/fi
Application granted granted Critical
Publication of FI59826B publication Critical patent/FI59826B/fi
Publication of FI59826C publication Critical patent/FI59826C/fi

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/18—Stationary reactors having moving elements inside
    • 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
    • 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
    • D21C9/1073—Bleaching ; Apparatus therefor with O3
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00051—Controlling the temperature
    • B01J2219/00054—Controlling or regulating the heat exchange system
    • B01J2219/00056—Controlling or regulating the heat exchange system involving measured parameters
    • B01J2219/00058—Temperature measurement
    • B01J2219/00063—Temperature measurement of the reactants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00164—Controlling or regulating processes controlling the flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00177—Controlling or regulating processes controlling the pH
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/00049—Controlling or regulating processes
    • B01J2219/00182—Controlling or regulating processes controlling the level of reactants in the reactor vessel
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/18—Details relating to the spatial orientation of the reactor
    • B01J2219/185—Details relating to the spatial orientation of the reactor vertical

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Preliminary Treatment Of Fibers (AREA)
FI763075A 1975-10-31 1976-10-28 Foerfarande och anordning foer behandling av finfoerdelat massamaterial saerskilt traemassa med gas utan oevertryck FI59826C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO753661A NO137651C (no) 1975-10-31 1975-10-31 Fremgangsmaate og apparat til kontinuerlig behandling av findelt fibermateriale eller celluloseholdig masse med gass uten overtrykk.
NO753661 1975-10-31

Publications (3)

Publication Number Publication Date
FI763075A true FI763075A (fi) 1977-05-01
FI59826B FI59826B (fi) 1981-06-30
FI59826C FI59826C (fi) 1981-10-12

Family

ID=19882524

Family Applications (1)

Application Number Title Priority Date Filing Date
FI763075A FI59826C (fi) 1975-10-31 1976-10-28 Foerfarande och anordning foer behandling av finfoerdelat massamaterial saerskilt traemassa med gas utan oevertryck

Country Status (9)

Country Link
US (1) US4123317A (fi)
JP (1) JPS5259703A (fi)
BR (1) BR7607296A (fi)
CA (1) CA1054417A (fi)
DE (1) DE2649633A1 (fi)
FI (1) FI59826C (fi)
FR (1) FR2329794A1 (fi)
NO (1) NO137651C (fi)
SE (1) SE7612006L (fi)

Families Citing this family (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI67413C (fi) * 1977-04-27 1985-03-11 Myrens Verksted As Foerfarande foer behandling av finfoerdelad fiberhaltig eller cellulosahaltig massa samt anordning foer utfoerande av foerfarandet
US4161421A (en) * 1977-09-13 1979-07-17 Kamyr, Inc. Method and apparatus for continuous oxygen bleaching of cellulosic pulp
NO142091C (no) * 1977-10-17 1980-06-25 Myrens Verksted As Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
US4410397A (en) 1978-04-07 1983-10-18 International Paper Company Delignification and bleaching process and solution for lignocellulosic pulp with peroxide in the presence of metal additives
US4240905A (en) * 1979-04-18 1980-12-23 Union Carbide Corporation High solids mixture aeration method
US4391670A (en) * 1981-10-07 1983-07-05 International Paper Company Low energy TMP furnish of improved strength by ozonation and press drying
US4468286A (en) * 1982-03-09 1984-08-28 Myrens Verksted A/S Method of gas treatment of fluffed pulp
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
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
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
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
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5441603A (en) * 1990-05-17 1995-08-15 Union Camp Patent Holding, Inc. Method for chelation of pulp prior to ozone delignification
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
CA2046717A1 (en) * 1991-02-06 1992-08-07 Beloit Technologies, Inc. Method and apparatus for treating fibrous materials with a gaseous reagent
NZ242792A (en) * 1991-05-24 1993-12-23 Union Camp Patent Holding Two-stage pulp bleaching reactor: pulp mixed with ozone in first stage.
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
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
US6051109A (en) * 1995-10-27 2000-04-18 Andritz-Patentverwaltungs-Gesellschaft M.B.H. Apparatus for distributing fluffed pulp into a static bed reactor
US5871160A (en) * 1997-01-31 1999-02-16 Dwyer, Iii; Edward J. Apparatus and associated method for derfibering paper or dry pulp
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
US6571585B1 (en) * 1999-11-10 2003-06-03 Eric Wasinger Apparatus for treatment of dyed garments and fabrics with oxidizing gases
FI127368B (fi) * 2013-06-20 2018-04-30 Metsae Board Oyj Menetelmä kuituradan valmistamiseksi sekä kuitutuote

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1821237A (en) * 1928-04-27 1931-09-01 Mead Pulp And Paper Company Control mechanism
US1843465A (en) * 1928-04-27 1932-02-02 Mead Corp Paper manufacture
US2399016A (en) * 1943-08-02 1946-04-23 West Disinfecting Co Dispensing device
GB579669A (en) * 1943-11-05 1946-08-12 Stanley Charles Bate Improvements in or relating to the production of cellulose
US2662821A (en) * 1949-05-03 1953-12-15 Celotex Corp Fiber preparation device
US2646024A (en) * 1950-04-15 1953-07-21 Automatic Poultry Feeder Compa Feed leveler
US2826126A (en) * 1953-12-09 1958-03-11 Cowles Co Scraper blades for paper stock screening machines
US3201001A (en) * 1962-10-12 1965-08-17 Borden Co Pulverulent materials dispenser
OA03094A (fr) * 1968-07-11 1970-12-15 P P I South African Pulp And P Perfectionnements à la délignification et au blanchiment des pâtes de cellulose avec l'oxygène gazeux.
SE352120B (fi) * 1969-02-17 1972-12-18 Reinhall Rolf
CA918978A (en) * 1970-01-08 1973-01-16 G. Jamieson Allan Oxygen bleaching
US3964962A (en) * 1974-02-25 1976-06-22 Ingersoll-Rand Company Gaseous reaction apparatus and processes including a peripheral gas receiving chamber and a gas recirculation conduit

Also Published As

Publication number Publication date
US4123317A (en) 1978-10-31
FI59826C (fi) 1981-10-12
JPS5259703A (en) 1977-05-17
BR7607296A (pt) 1977-09-13
DE2649633A1 (de) 1977-05-05
NO753661L (fi) 1977-05-03
NO137651B (no) 1977-12-19
NO137651C (no) 1978-03-29
FR2329794B1 (fi) 1980-09-26
FR2329794A1 (fr) 1977-05-27
CA1054417A (en) 1979-05-15
SE7612006L (sv) 1977-05-01
FI59826B (fi) 1981-06-30

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: MYRENS VERKSTAD A/S