FI117204B - Förfarande för blekning av massa med användning av klorhaltiga kemikalier - Google Patents

Förfarande för blekning av massa med användning av klorhaltiga kemikalier

Info

Publication number
FI117204B
FI117204B FI945287A FI945287A FI117204B FI 117204 B FI117204 B FI 117204B FI 945287 A FI945287 A FI 945287A FI 945287 A FI945287 A FI 945287A FI 117204 B FI117204 B FI 117204B
Authority
FI
Finland
Prior art keywords
chlorine
containing chemicals
bleaching pulp
bleaching
pulp
Prior art date
Application number
FI945287A
Other languages
English (en)
Finnish (fi)
Other versions
FI945287A0 (sv
FI945287A (sv
Inventor
Aake Backlund
Stig Andtbacka
Bjoern Dillner
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Publication of FI945287A0 publication Critical patent/FI945287A0/sv
Publication of FI945287A publication Critical patent/FI945287A/sv
Application granted granted Critical
Publication of FI117204B publication Critical patent/FI117204B/sv

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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1042—Use of chelating agents
    • 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
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI945287A 1992-05-11 1994-11-10 Förfarande för blekning av massa med användning av klorhaltiga kemikalier FI117204B (sv)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9201477A SE9201477L (sv) 1992-05-11 1992-05-11 Saett vid blekning av massa utan anvaendning av klorkemikalier
PCT/SE1993/000312 WO1993023607A1 (en) 1992-05-11 1993-04-08 A process for bleaching pulp without using chlorine-containing chemicals

Publications (3)

Publication Number Publication Date
FI945287A0 FI945287A0 (sv) 1994-11-10
FI945287A FI945287A (sv) 1994-11-10
FI117204B true FI117204B (sv) 2006-07-31

Family

ID=20386207

Family Applications (1)

Application Number Title Priority Date Filing Date
FI945287A FI117204B (sv) 1992-05-11 1994-11-10 Förfarande för blekning av massa med användning av klorhaltiga kemikalier

Country Status (12)

Country Link
US (1) US5415734A (sv)
EP (1) EP0705360A1 (sv)
JP (1) JPH07506637A (sv)
AU (1) AU664453B2 (sv)
BR (1) BR9306334A (sv)
CA (1) CA2118316A1 (sv)
FI (1) FI117204B (sv)
NO (1) NO944291L (sv)
NZ (1) NZ252341A (sv)
RU (1) RU94046173A (sv)
SE (1) SE9201477L (sv)
WO (1) WO1993023607A1 (sv)

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EP0665912B1 (en) * 1992-10-23 1998-02-11 Macmillan Bloedel Limited Improved ozone bleaching
JPH06242478A (ja) * 1993-02-18 1994-09-02 Fuji Photo Film Co Ltd 強誘電体のドメイン反転構造形成方法
US5639347A (en) * 1993-03-24 1997-06-17 Ahlstrom Machinery Inc. Method of controlling of metals in a bleach plant, using oxidation
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
SE501253C2 (sv) * 1993-06-08 1994-12-19 Kvaerner Pulping Tech Klorfri blekning av kemisk pappersmassa
SE9301960L (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
SE501613C2 (sv) * 1993-08-03 1995-03-27 Kvaerner Pulping Tech Sätt vid integrering av blekning och återvinning vid framställning av massa
US6605181B1 (en) 1993-10-01 2003-08-12 Kvaerner Pulping Aktiebolag Peroxide bleach sequence including an acidic bleach stage and including a wash stage
SE501985C2 (sv) * 1993-11-05 1995-07-03 Sunds Defibrator Ind Ab Förfarande för avskiljning av metalljoner från massa i samband med blekning av massan
BE1007757A3 (fr) * 1993-11-10 1995-10-17 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
SE502172C2 (sv) * 1993-12-15 1995-09-04 Mo Och Domsjoe Ab Förfarande för framställning av blekt cellulosamassa med en klorfri bleksekvens i närvaro av karbonat
US5582681A (en) 1994-06-29 1996-12-10 Kimberly-Clark Corporation Production of soft paper products from old newspaper
US6001218A (en) 1994-06-29 1999-12-14 Kimberly-Clark Worldwide, Inc. Production of soft paper products from old newspaper
US6074527A (en) 1994-06-29 2000-06-13 Kimberly-Clark Worldwide, Inc. Production of soft paper products from coarse cellulosic fibers
SE504803C2 (sv) * 1995-08-24 1997-04-28 Sunds Defibrator Ind Ab Behandling av massa med komplexbildare i minst två blandningssteg utan mellanliggande tvätt
US5728264A (en) * 1995-10-25 1998-03-17 Union Camp Patent Holding, Inc. Avoidance of salt scaling by acidic pulp washing process
US6296736B1 (en) 1997-10-30 2001-10-02 Kimberly-Clark Worldwide, Inc. Process for modifying pulp from recycled newspapers
SE508239C2 (sv) * 1997-01-03 1998-09-21 Sunds Defibrator Ind Ab Behandling av massa med komplexbildare i minst ett blandningssteg, utan användning av blektorn
US6174409B1 (en) 1997-09-19 2001-01-16 American Air Liquide Inc. Method to improve final bleached pulp strength properties by adjusting the CI02:03 ration within a single (D/Z) stage of the bleaching process
US6387210B1 (en) 1998-09-30 2002-05-14 Kimberly-Clark Worldwide, Inc. Method of making sanitary paper product from coarse fibers
ATE368017T1 (de) 2000-03-14 2007-08-15 James Hardie Int Finance Bv Faserzementbaumaterialien mit zusatzstoffen niedriger dichte
CN1246246C (zh) 2000-10-04 2006-03-22 詹姆斯哈迪国际财金公司 使用上浆的纤维素纤维的纤维水泥复合材料
CA2424795C (en) 2000-10-04 2010-07-27 James Hardie Research Pty Limited Fiber cement composite materials using cellulose fibers loaded with inorganic and/or organic substances
ATE337281T1 (de) * 2000-10-17 2006-09-15 James Hardie Int Finance Bv Faserzement verbundmaterial mit biozid behandelten, dauerhaften zellulosefasern
US20050126430A1 (en) * 2000-10-17 2005-06-16 Lightner James E.Jr. Building materials with bioresistant properties
EP1330571B1 (en) * 2000-10-17 2006-04-19 James Hardie International Finance B.V. Method of manufacturing a fiber reinforced cement composite material, a composite building material and a material formulation
MXPA03007956A (es) * 2001-03-09 2003-12-04 James Hardie Res Pty Ltd Materiales de compuestos de cemento reforzados con fibras mediante la utilizacion de fibras tratadas quimicamente con capacidad de dispersion mejorada.
US7018509B2 (en) * 2002-08-31 2006-03-28 International Paper Co. Elimination of alum yellowing of aspen thermomechanical pulp through pulp washing
MXPA05003691A (es) 2002-10-07 2005-11-17 James Hardie Int Finance Bv Material mixto de fibrocemento de densidad media durable.
RU2005124843A (ru) 2003-01-09 2006-01-20 Джеймс Харди Интернейшенел Файненс Б.В. (Nl) Волоконно-цементные композитные материалы с отбеленными целлюлозными волокнами
FI121792B (sv) 2003-06-30 2011-04-15 Andritz Oy Förfarande för behandling av massa i samband med blekning av kemisk massa
US20050152621A1 (en) * 2004-01-09 2005-07-14 Healy Paul T. Computer mounted file folder apparatus
US7220001B2 (en) * 2004-02-24 2007-05-22 Searete, Llc Defect correction based on “virtual” lenslets
US7998571B2 (en) 2004-07-09 2011-08-16 James Hardie Technology Limited Composite cement article incorporating a powder coating and methods of making same
EP2010730A4 (en) 2006-04-12 2013-07-17 Hardie James Technology Ltd SURFACE-SEALED, REINFORCED BUILDING ELEMENT
US7854847B2 (en) * 2006-11-09 2010-12-21 Rayonier Trs Holdings Inc. Process of purifying wood pulp with caustic-borate solution and recovering the purifying chemical
SE0602476L (sv) * 2006-11-22 2007-08-21 Metso Fiber Karlstad Ab Metod för att återvinna värmeenergi från svartlut
WO2008106083A2 (en) * 2007-02-26 2008-09-04 Andritz Inc. Methods and systems for the use of recycled filtrate in bleaching pulp
US8209927B2 (en) 2007-12-20 2012-07-03 James Hardie Technology Limited Structural fiber cement building materials
US8951388B2 (en) 2011-04-08 2015-02-10 Pec-Tech Engineering And Construction Pte Ltd Method and system for efficient production of dissolving pulp in a kraft mill producing paper grade pulp with a continuous type digester
RU2634586C1 (ru) * 2016-08-01 2017-10-31 федеральное государственное бюджетное образовательное учреждение высшего образования "Пермский национальный исследовательский политехнический университет" Способ отбелки лиственной сульфатной целлюлозы
SE540646C2 (sv) * 2016-09-08 2018-10-09 Suncarbon Ab Method and system for treating spent pulping liquor

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SE225814C1 (sv) * 1965-03-25 1969-03-25
SE330323B (sv) * 1968-01-19 1970-11-09 Kamyr Ab
SE379069B (sv) * 1973-08-27 1975-09-22 Kamyr Ab
US4372812A (en) * 1978-04-07 1983-02-08 International Paper Company Chlorine free process for bleaching lignocellulosic pulp
US4780053A (en) * 1978-04-10 1988-10-25 Johan Gullichsen Method and apparatus for pumping fiber suspensions
US4547264A (en) * 1979-02-12 1985-10-15 Kamyr, Inc. Method of withdrawing liquid from a pair of vertically spaced annular screens
US4436586A (en) * 1982-01-22 1984-03-13 Kamyr, Inc. Method of producing kraft pulp using an acid prehydrolysis and pre-extraction
US4668340A (en) * 1984-03-20 1987-05-26 Kamyr, Inc. Method of countercurrent acid hydrolysis of comminuted cellulosic fibrous material
US4793161A (en) * 1987-11-27 1988-12-27 Kamyr Ab Effective diffuser/thickener screen backflushing
SE468053B (sv) * 1988-12-20 1992-10-26 Kamyr Ab Saett vid kontinuerlig uppslutningskokning av cellulosahaltigt fibermaterial
US4971694A (en) * 1989-01-05 1990-11-20 Kamyr Ab Double diffuser with backflush pistons
ATE97179T1 (de) * 1989-06-06 1993-11-15 Eka Nobel Ab Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
US4976586A (en) * 1989-07-18 1990-12-11 Kamyr Ab Pump with separate fluidizing vaned shaft adjacent impeller
US5069752A (en) * 1990-04-30 1991-12-03 Kamyr Ab Digester screen switching
ES2073027T3 (es) * 1990-05-17 1995-08-01 Union Camp Patent Holding Procedimiento medioambientalmente mejorado para blanquear materiales lignocelulosicos.
US5131980A (en) * 1990-08-09 1992-07-21 Kamyr, Inc. Hydrocyclone removal of sticky contaminants during paper recycling
SE468355B (sv) * 1991-04-30 1992-12-21 Eka Nobel Ab Blekning av kemisk massa genom behandling med komplexbildare och ozon

Also Published As

Publication number Publication date
FI945287A0 (sv) 1994-11-10
CA2118316A1 (en) 1993-11-25
AU4096793A (en) 1993-12-13
SE469387B (sv) 1993-06-28
NZ252341A (en) 1996-05-28
EP0705360A1 (en) 1996-04-10
FI945287A (sv) 1994-11-10
RU94046173A (ru) 1996-09-20
US5415734A (en) 1995-05-16
SE9201477D0 (sv) 1992-05-11
BR9306334A (pt) 1998-06-30
AU664453B2 (en) 1995-11-16
NO944291D0 (no) 1994-11-10
NO944291L (no) 1994-11-10
WO1993023607A1 (en) 1993-11-25
JPH07506637A (ja) 1995-07-20
SE9201477L (sv) 1993-06-28

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