PT82192B - Processo para a producao de um polpa de fibra branqueada quimico-mecanica e semi-quimica atraves de um processo de impregnacao de etapa unica - Google Patents

Processo para a producao de um polpa de fibra branqueada quimico-mecanica e semi-quimica atraves de um processo de impregnacao de etapa unica

Info

Publication number
PT82192B
PT82192B PT82192A PT8219286A PT82192B PT 82192 B PT82192 B PT 82192B PT 82192 A PT82192 A PT 82192A PT 8219286 A PT8219286 A PT 8219286A PT 82192 B PT82192 B PT 82192B
Authority
PT
Portugal
Prior art keywords
peroxide
chemical
impregnated
stage
semi
Prior art date
Application number
PT82192A
Other languages
English (en)
Other versions
PT82192A (en
Original Assignee
Eka Nobel Ab
Simonson Rune
Bengtsson Goeran
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 Nobel Ab, Simonson Rune, Bengtsson Goeran filed Critical Eka Nobel Ab
Publication of PT82192A publication Critical patent/PT82192A/pt
Publication of PT82192B publication Critical patent/PT82192B/pt

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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Materials For Medical Uses (AREA)
  • Auxiliary Devices For And Details Of Packaging Control (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Slide Fasteners, Snap Fasteners, And Hook Fasteners (AREA)
PT82192A 1985-03-13 1986-03-13 Processo para a producao de um polpa de fibra branqueada quimico-mecanica e semi-quimica atraves de um processo de impregnacao de etapa unica PT82192B (pt)

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 (2)

Publication Number Publication Date
PT82192A PT82192A (en) 1986-04-01
PT82192B true PT82192B (pt) 1988-02-17

Family

ID=20359483

Family Applications (1)

Application Number Title Priority Date Filing Date
PT82192A PT82192B (pt) 1985-03-13 1986-03-13 Processo para a producao de um polpa de fibra branqueada quimico-mecanica e semi-quimica atraves de um processo de impregnacao de etapa unica

Country Status (13)

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

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
CN1250811C (zh) * 2001-07-19 2006-04-12 安德里兹有限公司 四步法碱性过氧化物机械制浆
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
PT3862485T (pt) 2005-05-02 2024-05-22 Int Paper Co Materiais lignocelulósicos e os produtos feitos a partir dos mesmos
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
US9512237B2 (en) 2009-05-28 2016-12-06 Gp Cellulose Gmbh Method for inhibiting the growth of microbes with a modified cellulose fiber
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
BRPI1012052A2 (pt) 2009-05-28 2017-12-26 Gp Cellulose Gmbh fibras kraft hidrolisadas e quimicamente modificadas e métodos de produção e de branqueamento de fibras kraft
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
WO2014052763A1 (en) * 2012-09-27 2014-04-03 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
WO2018093697A1 (en) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Modified cellulose from chemical fiber and methods of making and using the same
WO2018175135A1 (en) 2017-03-21 2018-09-27 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 (pt) * 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
CA1272563A (en) 1990-08-14
FI84634C (fi) 1991-12-27
JPS61275490A (ja) 1986-12-05
SE8501246L (sv) 1986-09-14
FI84634B (fi) 1991-09-13
AU5469086A (en) 1986-09-18
PT82192A (en) 1986-04-01
DE3671488D1 (de) 1990-06-28
AU595185B2 (en) 1990-03-29
US4756799A (en) 1988-07-12
NO860942L (no) 1986-09-15
BR8601078A (pt) 1986-11-25
NO166803B (no) 1991-05-27
FI860986A0 (fi) 1986-03-10
ES552920A0 (es) 1987-09-16
SE8501246D0 (sv) 1985-03-13
EP0194981B1 (en) 1990-05-23
ATE53081T1 (de) 1990-06-15
NO166803C (no) 1991-09-04
FI860986A7 (fi) 1986-09-14
ES8708031A1 (es) 1987-09-16
NZ215473A (en) 1989-06-28
EP0194981A3 (en) 1987-04-22

Similar Documents

Publication Publication Date Title
PT82192B (pt) Processo para a producao de um polpa de fibra branqueada quimico-mecanica e semi-quimica atraves de um processo de impregnacao de etapa unica
DE69109696D1 (de) Herstellungsverfahren für chemiemechanische pulpe.
PT82193B (pt) Processo para a producao de uma polpa de fibra branqueada quimico-mecanica e semi-quimica atraves de um processo de impregnacao de duas etapas
FI891559L (fi) Foerfarande foer framstaellning av lignocellulosamaterialfibrer innehaollande produkter.
SE8102138L (sv) Forfarande for framstellning av fibermassa
AU678802B2 (en) A method of producing mechanical and chemi-mechanical pulp
SE9401769D0 (sv) Flisinpregnering vid pappersmassakokning med sulfidiskt alkali
NO973596L (no) Fremgangsmåte ved fremstilling av papirmasse
SE9101587D0 (sv) Foerfarande foer framstaellning av kemitermomekanisk massa
SE8604852L (sv) Delignifiering och blekning av en cellulosamassa med en alkali-syre-hypokloritextraktion
SE8300124D0 (sv) Behandling av vedflis
SE8702808D0 (sv) Massakokning med hogt utbyte
CA2179140A1 (en) Production of high brightness cedar mechanical pulp