BR7802595A - Processo para tratar material bruto finamente dividido e aparelhagem para realizar o tratamento - Google Patents

Processo para tratar material bruto finamente dividido e aparelhagem para realizar o tratamento

Info

Publication number
BR7802595A
BR7802595A BR7802595A BR7802595A BR7802595A BR 7802595 A BR7802595 A BR 7802595A BR 7802595 A BR7802595 A BR 7802595A BR 7802595 A BR7802595 A BR 7802595A BR 7802595 A BR7802595 A BR 7802595A
Authority
BR
Brazil
Prior art keywords
appliance
treatment
raw material
carry out
material finally
Prior art date
Application number
BR7802595A
Other languages
English (en)
Inventor
B Fritzvold
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
Priority claimed from NO771474A external-priority patent/NO139897C/no
Priority claimed from NO771473A external-priority patent/NO140771C/no
Application filed by Myrens Verksted As filed Critical Myrens Verksted As
Publication of BR7802595A publication Critical patent/BR7802595A/pt

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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR7802595A 1977-04-27 1978-04-26 Processo para tratar material bruto finamente dividido e aparelhagem para realizar o tratamento BR7802595A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO771474A NO139897C (no) 1977-04-27 1977-04-27 Fremgangsmaate og anordning for transport og bearbeiding av fiberholdig eller celluloseholdig masse
NO771473A NO140771C (no) 1977-04-27 1977-04-27 Fremgangsmaate for behandling av findelt fiberholdig eller celluloseholdig masse og anordning til utfoerelse av fremgangsmaaten

Publications (1)

Publication Number Publication Date
BR7802595A true BR7802595A (pt) 1978-12-12

Family

ID=26647636

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7802595A BR7802595A (pt) 1977-04-27 1978-04-26 Processo para tratar material bruto finamente dividido e aparelhagem para realizar o tratamento

Country Status (8)

Country Link
US (1) US4278496A (pt)
JP (1) JPS5411301A (pt)
BR (1) BR7802595A (pt)
CA (1) CA1087009A (pt)
DE (1) DE2818369A1 (pt)
FI (1) FI67413C (pt)
FR (1) FR2388933A1 (pt)
SE (1) SE7804787L (pt)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO142091C (no) * 1977-10-17 1980-06-25 Myrens Verksted As Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
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
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
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
AT395180B (de) * 1989-08-16 1992-10-12 Andritz Ag Maschf Verfahren zur zerkleinerung von materialien und anlage zu dessen durchfuehrung
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
DE69019350T2 (de) * 1990-05-17 1996-02-15 Union Camp Patent Holding Umweltfreundlicheres verfahren zum bleichen von lignocellulosischen materialien.
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
US5174861A (en) * 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of 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
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
ES2106848T5 (es) * 1991-05-24 2001-09-01 Union Camp Patent Holding Metodo de blanqueo con ozono.
ZA924351B (en) * 1991-06-27 1993-03-31 Ahlstroem Oy Ozone bleaching process
US6126781A (en) 1991-08-01 2000-10-03 Union Camp Patent Holding, Inc. Process for conditioning ozone gas recycle stream in ozone pulp bleaching
US5389201A (en) * 1992-02-28 1995-02-14 International Paper Company Bleaching of kraft cellulosic pulp employing ozone and reduced consumption of chlorine containing bleaching agent
US5403441A (en) * 1992-11-13 1995-04-04 Union Camp Patent Holding, Inc. Method for controlling an ozone bleaching process
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
BR9508224A (pt) * 1994-07-14 1997-10-28 Union Camp Patent Holding Processo tendo seletividade aumentada para alvejamento de polpa lignocelulósica alvejada
US5672247A (en) * 1995-03-03 1997-09-30 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US5736004A (en) * 1995-03-03 1998-04-07 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
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
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
US6503466B1 (en) * 1998-08-06 2003-01-07 Voith Sulzer Paper Technology North America, Inc. Apparatus and method for chemically loading fibers in a fiber suspension
SE514416C2 (sv) 1999-06-10 2001-02-19 Valmet Fibertech Ab Metod och system för gastät inmatning av massa till en reaktor för ozonblekning
SE520707C2 (sv) 2001-12-05 2003-08-12 Metso Paper Inc Metod och system för behandling av massa vid ozonblekning
FI20065557A0 (fi) 2006-09-07 2006-09-07 Sulzer Pumpen Ag Menetelmä ja laitteisto massatornin täyttämiseksi ja puhtaana pitämiseksi
FR2937656B1 (fr) * 2008-10-24 2010-11-19 Arkema France Procede de fabrication de pate a papier
EP3564190B1 (en) 2018-04-30 2022-05-11 Robert Muszanski A system for ozonation of liquids and a method for ozonation of liquids

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2916346A (en) * 1953-02-25 1959-12-08 Rauma Repola Oy Method for chemical treatment of suspended solids
NO125495B (pt) * 1966-10-27 1972-09-18 Kamyr Ab
US3703435A (en) * 1967-11-09 1972-11-21 Sunds Ab Method for finely disintegrating pulp,preferentially cellulose pulp,in connection with the bleaching thereof with gaseous bleaching agent
SE333498B (pt) * 1967-11-09 1971-03-15 Sunds Ab
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.
DE2135217C3 (de) * 1970-07-24 1974-10-31 Sunds Ab, Sundsvall (Schweden) Verfahren und Vorrichtung zum Bleichen von Fasermaterial, insbesondere von Zellstoffpulpe
US3785577A (en) * 1972-07-18 1974-01-15 Improved Machinery Inc Apparatus for the gaseous reaction of material
US3814664A (en) * 1972-09-11 1974-06-04 Improved Machinery Inc Gaseous reaction apparatus including a peripheral gas receiving chamber
US4105494A (en) * 1973-01-05 1978-08-08 Sunds Aktiebolag Process of gas-phase bleaching high consistency finely disintegrated pulp
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
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.

Also Published As

Publication number Publication date
FR2388933A1 (fr) 1978-11-24
CA1087009A (en) 1980-10-07
FI67413B (fi) 1984-11-30
FR2388933B1 (pt) 1982-11-19
FI781286A (fi) 1978-10-28
JPS5411301A (en) 1979-01-27
DE2818369A1 (de) 1978-11-02
SE7804787L (sv) 1978-10-28
US4278496A (en) 1981-07-14
FI67413C (fi) 1985-03-11

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