FI64199B - Foerfarande foer ozonbehandling av raffinoermekanisk och termomekanisk massa - Google Patents

Foerfarande foer ozonbehandling av raffinoermekanisk och termomekanisk massa

Info

Publication number
FI64199B
FI64199B FI783012A FI783012A FI64199B FI 64199 B FI64199 B FI 64199B FI 783012 A FI783012 A FI 783012A FI 783012 A FI783012 A FI 783012A FI 64199 B FI64199 B FI 64199B
Authority
FI
Finland
Prior art keywords
oil
raffinoermechanical
definition
thermomechanical mass
thermomechanical
Prior art date
Application number
FI783012A
Other languages
English (en)
Other versions
FI64199C (fi
FI783012A (fi
Inventor
Bjoern H Fritzvold
Nicolai Soteland
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 FI783012A publication Critical patent/FI783012A/fi
Application granted granted Critical
Publication of FI64199B publication Critical patent/FI64199B/fi
Publication of FI64199C publication Critical patent/FI64199C/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • 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)
  • Catalysts (AREA)
  • Exhaust Gas Treatment By Means Of Catalyst (AREA)
FI783012A 1977-10-17 1978-10-03 Foerfarande foer ozonbehandling av raffinoermekanisk och termomekanisk massa FI64199C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO773560A NO142091C (no) 1977-10-17 1977-10-17 Fremgangsmaate ved ozonbehandling av raffinoermekanisk og termomekanisk masse.
NO773560 1977-10-17

Publications (3)

Publication Number Publication Date
FI783012A FI783012A (fi) 1979-04-18
FI64199B true FI64199B (fi) 1983-06-30
FI64199C FI64199C (fi) 1983-10-10

Family

ID=19883776

Family Applications (1)

Application Number Title Priority Date Filing Date
FI783012A FI64199C (fi) 1977-10-17 1978-10-03 Foerfarande foer ozonbehandling av raffinoermekanisk och termomekanisk massa

Country Status (9)

Country Link
US (1) US4279694A (fi)
JP (1) JPS5459406A (fi)
BR (1) BR7806832A (fi)
CA (1) CA1091072A (fi)
DE (1) DE2845025A1 (fi)
FI (1) FI64199C (fi)
FR (1) FR2406023A1 (fi)
NO (1) NO142091C (fi)
SE (1) SE435301B (fi)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5536313A (en) * 1978-08-30 1980-03-13 Hokusan Kk Production of mechanical pulp
JPS5649093A (en) * 1979-09-27 1981-05-02 Kogyo Gijutsuin Production of high yield pulp
SE456430B (sv) * 1985-11-06 1988-10-03 Sunds Defibrator Sett for framstellning av mekanisk massa
US4718980A (en) * 1985-12-30 1988-01-12 Weyerhaeuser Company Interstage treatment of mechanical pulp
FR2609067B1 (fr) * 1986-12-31 1990-06-15 Beghin Say Sa Procede pour le traitement a l'ozone d'une pate cellulosique
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
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
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
BR9007533A (pt) * 1990-05-17 1992-04-28 Union Camp Corp Processo para fabricacao de polpa alvejada e para deslignificar e alvejar um material lignoscelulosico
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
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
FI922279A (fi) * 1991-05-24 1992-11-25 Union Camp Patent Holding Tvaostegsreaktor foer blekning av massa
US6126781A (en) 1991-08-01 2000-10-03 Union Camp Patent Holding, Inc. Process for conditioning ozone gas recycle stream in ozone pulp bleaching
NZ256783A (en) * 1992-10-01 1996-08-27 Union Camp Patent Holding Bleaching high consistency lignocellulosic pulp from a first ge brightness to a second higher ge brightness by fluffing the pulp to a specific surface area of at least 90m2kg-1 followed by treatment with a gaseous bleaching agent
US5403441A (en) * 1992-11-13 1995-04-04 Union Camp Patent Holding, Inc. Method for controlling an ozone bleaching process
US5364505A (en) * 1992-12-07 1994-11-15 Kamyr, Inc. Pressurized ozone pulp delignification reactor and a compressor for supplying ozone to the reactor
CA2170398A1 (en) * 1993-09-02 1995-03-09 Michael A. Pikulin Improved method for bleaching lignocellulosic pulp
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
SE9402101L (sv) * 1994-06-15 1995-12-16 Moelnlycke Ab Lättavvattnad, bulkig, kemimekanisk massa med låg spet- och finmaterialhalt
US5736004A (en) * 1995-03-03 1998-04-07 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US5672247A (en) * 1995-03-03 1997-09-30 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
SE510506C2 (sv) * 1997-07-09 1999-05-31 Assidomaen Ab Kraftpapper och förfarande för framställning av detta samt ventilsäck
US6743332B2 (en) * 2001-05-16 2004-06-01 Weyerhaeuser Company High temperature peroxide bleaching of mechanical pulps
US7384502B2 (en) * 2002-12-24 2008-06-10 Nippon Paper Industries Co., Ltd. Process for impregnating, refining, and bleaching wood chips having low bleachability to prepare mechanical pulps having high brightness
FI119062B (fi) * 2006-12-28 2008-07-15 Upm Kymmene Corp Menetelmä mekaanisen massan valmistamiseksi
FR2937656B1 (fr) * 2008-10-24 2010-11-19 Arkema France Procede de fabrication de pate a papier
FI127368B (fi) * 2013-06-20 2018-04-30 Metsae Board Oyj Menetelmä kuituradan valmistamiseksi sekä kuitutuote
JP7113785B2 (ja) * 2019-06-07 2022-08-05 ユニ・チャーム株式会社 針葉樹由来の紙用パルプ繊維の製造方法及び針葉樹由来の紙用パルプ繊維

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR745717A (fi) * 1933-05-13
NO131996C (fi) * 1973-10-04 1975-09-03 Papirind Forskningsinst
JPS5116525A (en) * 1974-07-30 1976-02-09 Fruehauf Japan Unpanyokino suraidodoaa
SE413684C (sv) * 1974-09-23 1987-05-18 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %
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.
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
FI67412C (fi) * 1977-04-27 1985-03-11 Myrens Verksted As Foerfarande foer behandling av cellulosahaltig massa

Also Published As

Publication number Publication date
BR7806832A (pt) 1979-05-08
FR2406023B1 (fi) 1983-11-10
CA1091072A (en) 1980-12-09
DE2845025C2 (fi) 1988-02-18
NO142091B (no) 1980-03-17
SE435301B (sv) 1984-09-17
JPS5459406A (en) 1979-05-14
DE2845025A1 (de) 1979-06-07
FI64199C (fi) 1983-10-10
US4279694A (en) 1981-07-21
FI783012A (fi) 1979-04-18
FR2406023A1 (fr) 1979-05-11
NO142091C (no) 1980-06-25
SE7810620L (sv) 1979-04-18
NO773560L (no) 1979-04-18

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: MYRENS VERKSTED A/S