NO860942L - Fremgangsmaate ved fremstilling av bleket masse. - Google Patents

Fremgangsmaate ved fremstilling av bleket masse.

Info

Publication number
NO860942L
NO860942L NO860942A NO860942A NO860942L NO 860942 L NO860942 L NO 860942L NO 860942 A NO860942 A NO 860942A NO 860942 A NO860942 A NO 860942A NO 860942 L NO860942 L NO 860942L
Authority
NO
Norway
Prior art keywords
peroxide
impregnated
stage
alkali
impregnating
Prior art date
Application number
NO860942A
Other languages
English (en)
Other versions
NO166803C (no
NO166803B (no
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 NO860942L publication Critical patent/NO860942L/no
Publication of NO166803B publication Critical patent/NO166803B/no
Publication of NO166803C publication Critical patent/NO166803C/no

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)
  • Wood Science & Technology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Pens And Brushes (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Materials For Medical Uses (AREA)
NO860942A 1985-03-13 1986-03-12 Fremgangsmaate ved fremstilling av bleket masse. NO166803C (no)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
NO860942L true NO860942L (no) 1986-09-15
NO166803B NO166803B (no) 1991-05-27
NO166803C NO166803C (no) 1991-09-04

Family

ID=20359483

Family Applications (1)

Application Number Title Priority Date Filing Date
NO860942A NO166803C (no) 1985-03-13 1986-03-12 Fremgangsmaate ved fremstilling av bleket masse.

Country Status (13)

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

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
WO2003008703A1 (en) * 2001-07-19 2003-01-30 Andritz Inc. Four stage alkaline peroxide mechanical pulping
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
AU2003279120A1 (en) * 2003-10-02 2005-05-19 Andritz Inc. Multi-stage ap mechanical pulping with refiner flow line treatment
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
EP3862485B1 (en) 2005-05-02 2024-02-28 International Paper Company Ligno cellulosic materials and the products made therefrom
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
US8778136B2 (en) 2009-05-28 2014-07-15 Gp Cellulose Gmbh Modified cellulose from chemical kraft fiber and methods of making and using the same
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
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
RU2588625C1 (ru) * 2012-09-27 2016-07-10 Андритц Инк. Химическая обработка материала из пучков лигноцеллюлозных волокон и соответствующие способы и системы
BR112015019882A2 (pt) 2013-03-14 2017-07-18 Gp Cellulose Gmbh fibra kraft clareada oxidada e métodos para fazer polpa kraft e fibra kraft de madeira macia e para clarear polpa kraft de celulose em sequência de branqueamento de multi-estágios
CA2901915A1 (en) 2013-03-15 2014-09-18 Gp Cellulose Gmbh A low viscosity kraft fiber having an enhanced carboxyl content and methods of making and using the same
CA3040734A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
CN110637122A (zh) 2017-03-21 2019-12-31 国际纸业公司 气味控制纸浆组合物

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE303088B (no) * 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
EP0194981A3 (en) 1987-04-22
AU5469086A (en) 1986-09-18
NO166803C (no) 1991-09-04
JPS61275490A (ja) 1986-12-05
ES8708031A1 (es) 1987-09-16
FI84634B (fi) 1991-09-13
SE8501246L (sv) 1986-09-14
EP0194981A2 (en) 1986-09-17
US4756799A (en) 1988-07-12
PT82192B (pt) 1988-02-17
CA1272563A (en) 1990-08-14
DE3671488D1 (de) 1990-06-28
AU595185B2 (en) 1990-03-29
FI860986A0 (fi) 1986-03-10
FI860986A (fi) 1986-09-14
PT82192A (en) 1986-04-01
ES552920A0 (es) 1987-09-16
NZ215473A (en) 1989-06-28
FI84634C (fi) 1991-12-27
NO166803B (no) 1991-05-27
EP0194981B1 (en) 1990-05-23
BR8601078A (pt) 1986-11-25
ATE53081T1 (de) 1990-06-15
SE8501246D0 (sv) 1985-03-13

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