FI860986A0 - Foerfarande foer framstaellning av kemimekanisk eller semikemisk fibrermassa i en en-fas impregneringsprocess. - Google Patents

Foerfarande foer framstaellning av kemimekanisk eller semikemisk fibrermassa i en en-fas impregneringsprocess.

Info

Publication number
FI860986A0
FI860986A0 FI860986A FI860986A FI860986A0 FI 860986 A0 FI860986 A0 FI 860986A0 FI 860986 A FI860986 A FI 860986A FI 860986 A FI860986 A FI 860986A FI 860986 A0 FI860986 A0 FI 860986A0
Authority
FI
Finland
Prior art keywords
peroxide
impregnated
stage
semikemisk
kemimekanisk
Prior art date
Application number
FI860986A
Other languages
English (en)
Other versions
FI84634C (fi
FI84634B (fi
FI860986A (fi
Inventor
Goeran Bengtsson
Rune Simonson
Roland Agnemo
Original Assignee
Eka Ab
Goeran Bengtsson
Rune Simonson
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 Eka Ab, Goeran Bengtsson, Rune Simonson filed Critical Eka Ab
Publication of FI860986A0 publication Critical patent/FI860986A0/fi
Publication of FI860986A publication Critical patent/FI860986A/fi
Application granted granted Critical
Publication of FI84634B publication Critical patent/FI84634B/fi
Publication of FI84634C publication Critical patent/FI84634C/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/14—Disintegrating in mills
    • D21B1/16—Disintegrating in mills in the presence of chemical agents

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pens And Brushes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Materials For Medical Uses (AREA)
FI860986A 1985-03-13 1986-03-10 Foerfarande foer framstaellning av kemimekanisk eller semikemisk fibermassa i en en-fas impregneringsprocess. FI84634C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8501246 1985-03-13
SE8501246A SE8501246L (sv) 1985-03-13 1985-03-13 Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering

Publications (4)

Publication Number Publication Date
FI860986A0 true FI860986A0 (fi) 1986-03-10
FI860986A FI860986A (fi) 1986-09-14
FI84634B FI84634B (fi) 1991-09-13
FI84634C FI84634C (fi) 1991-12-27

Family

ID=20359483

Family Applications (1)

Application Number Title Priority Date Filing Date
FI860986A FI84634C (fi) 1985-03-13 1986-03-10 Foerfarande foer framstaellning av kemimekanisk eller semikemisk fibermassa i en en-fas impregneringsprocess.

Country Status (13)

Country Link
US (1) US4756799A (fi)
EP (1) EP0194981B1 (fi)
JP (1) JPS61275490A (fi)
AT (1) ATE53081T1 (fi)
BR (1) BR8601078A (fi)
CA (1) CA1272563A (fi)
DE (1) DE3671488D1 (fi)
ES (1) ES8708031A1 (fi)
FI (1) FI84634C (fi)
NO (1) NO166803C (fi)
NZ (1) NZ215473A (fi)
PT (1) PT82192B (fi)
SE (1) SE8501246L (fi)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE458690B (sv) * 1986-11-06 1989-04-24 Sunds Defibrator Saett att framstaella mekanisk massa fraan lignocellulosahaltigt material i styckeform med en laengd i fiberriktningen av minst 200 mm
SE462287B (sv) * 1987-11-04 1990-05-28 Celleco Ab Foerfarande och anlaeggning foer framstaellning av hoegutbytesmassor ur lignocellulosamateial
GB2215350B (en) * 1988-03-16 1992-05-20 Thiokol Morton Inc Process for bleaching mechanical wood pulp
ES2122907B1 (es) * 1996-08-22 1999-07-01 Valverde Alonso Angel Procedimiento ecologico de obtencion de celulosa.
US6302997B1 (en) 1999-08-30 2001-10-16 North Carolina State University Process for producing a pulp suitable for papermaking from nonwood fibrous materials
JP4272514B2 (ja) * 2001-07-19 2009-06-03 アンドリッツ インコーポレーテッド アルカリ過酸化物を用いる４段階のメカニカルパルプ化
US20040200586A1 (en) * 2002-07-19 2004-10-14 Martin Herkel Four stage alkaline peroxide mechanical pulping
DE10234833A1 (de) * 2002-07-31 2004-02-12 Stora Enso Publication Paper Gmbh & Co. Kg Verfahren zum Aufschluss von Altholz
US8262850B2 (en) * 2003-09-23 2012-09-11 International Paper Company Chemical activation and refining of southern pine kraft fibers
BR0318520A (pt) * 2003-10-02 2006-09-12 Andritz Inc polpação mecánica ap de múltiplos estágios com tratamento de linha de sopro com refinador
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
ES2974916T3 (es) 2005-05-02 2024-07-02 Int Paper Co Materiales lignocelulósicos y los productos fabricados a partir de los mismos
FI126694B (fi) * 2005-12-02 2017-04-13 Metsä Board Oyj Kemimekaaninen massa ja menetelmä sen valmistamiseksi
US7967948B2 (en) * 2006-06-02 2011-06-28 International Paper Company Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents
US8262851B2 (en) 2006-08-10 2012-09-11 Andritz Inc. Processes and systems for the pulping of lignocellulosic materials
DE102007036382A1 (de) * 2007-07-31 2009-02-05 Voith Patent Gmbh Lignocellulosischer Faserstoff aus Einjahrespflanzen
US9512563B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Surface treated modified cellulose from chemical kraft fiber and methods of making and using same
CA2949518C (en) 2009-05-28 2019-01-08 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9511167B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
MY182098A (en) * 2012-09-27 2021-01-18 Andritz Inc Chemical treatment of lignocellulosic fiber bundle material,and methods and systems relating thereto
RU2671653C2 (ru) 2013-03-14 2018-11-06 ДжиПи СЕЛЛЬЮЛОУС ГМБХ Способ изготовления высокофункционального маловязкого крафтволокна с использованием последовательности кислотного отбеливания и волокно, изготовленное с помощью этого процесса
CN105143547B (zh) 2013-03-15 2018-05-01 Gp 纤维素股份有限公司 具有增高羧基含量的低粘度牛皮纸纤维及其制造和使用方法
CA3040734A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
US11332886B2 (en) 2017-03-21 2022-05-17 International Paper Company Odor control pulp composition

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE303088B (fi) * 1963-05-31 1968-08-12 Defibrator Ab
SE7502060L (sv) * 1975-02-24 1976-08-25 Alf Sa Sett vid framstellning av mekanisk pappersmassa
US4187141A (en) * 1975-02-24 1980-02-05 Alf Societe Anonyme Method of producing bleached mechanical pulp
SE415581B (sv) * 1977-04-18 1980-10-13 Mo Och Domsjoe Ab Forfarande for perocidblekning av hogutbytesmassa
SE416481B (sv) * 1977-05-02 1981-01-05 Mo Och Domsjoe Ab Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
SE8002027L (sv) * 1980-03-14 1981-09-15 Sunds Defibrator Sett att i samband med tillverkningen av termomekaniska massa forbettra dennas absorptionsegenskaper
SE445051B (sv) * 1980-04-10 1986-05-26 Sca Development Ab Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa
AU545847B2 (en) * 1981-02-11 1985-08-01 Mead Corporation, The Production of chemimechanical pump
JPS604313B2 (ja) * 1981-12-03 1985-02-02 日立造船株式会社 非木材繊維原料のパルプ化方法
CA1240456A (en) * 1983-10-20 1988-08-16 Kamyr, Inc. Mechanical pulping
US4486267A (en) * 1983-11-14 1984-12-04 Mead Corporation Chemithermomechanical pulping process employing separate alkali and sulfite treatments

Also Published As

Publication number Publication date
EP0194981A2 (en) 1986-09-17
US4756799A (en) 1988-07-12
JPS61275490A (ja) 1986-12-05
ES8708031A1 (es) 1987-09-16
AU5469086A (en) 1986-09-18
NO860942L (no) 1986-09-15
BR8601078A (pt) 1986-11-25
ES552920A0 (es) 1987-09-16
FI84634C (fi) 1991-12-27
NO166803C (no) 1991-09-04
EP0194981B1 (en) 1990-05-23
EP0194981A3 (en) 1987-04-22
FI84634B (fi) 1991-09-13
SE8501246L (sv) 1986-09-14
PT82192A (en) 1986-04-01
AU595185B2 (en) 1990-03-29
ATE53081T1 (de) 1990-06-15
CA1272563A (en) 1990-08-14
NO166803B (no) 1991-05-27
FI860986A (fi) 1986-09-14
NZ215473A (en) 1989-06-28
SE8501246D0 (sv) 1985-03-13
PT82192B (pt) 1988-02-17
DE3671488D1 (de) 1990-06-28

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: BENGTSSON, GOERAN

Owner name: EKA AB

Owner name: SIMONSON, RUNE GUSTAF WERNER