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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
FI945287A (sv
FI945287A0 (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 FI945287A publication Critical patent/FI945287A/sv
Publication of FI945287A0 publication Critical patent/FI945287A0/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 SE469387B (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
FI945287A FI945287A (sv) 1994-11-10
FI945287A0 FI945287A0 (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) NO944291D0 (sv)
NZ (1) NZ252341A (sv)
RU (1) RU94046173A (sv)
SE (1) SE469387B (sv)
WO (1) WO1993023607A1 (sv)

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SE9200183L (sv) * 1992-01-23 1993-07-24 Kamyr Ab Avskiljningsanordning samt foerfarande
AU5104593A (en) * 1992-10-23 1994-05-24 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
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
US5639347A (en) * 1993-03-24 1997-06-17 Ahlstrom Machinery Inc. Method of controlling of metals in a bleach plant, using oxidation
SE9301960L (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
SE501253E8 (sv) * 1993-06-08 1994-12-19 Klorfri blekning av kemisk pappersmassa
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
US6074527A (en) 1994-06-29 2000-06-13 Kimberly-Clark Worldwide, Inc. Production of soft paper products from coarse cellulosic fibers
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
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
AU2001250832A1 (en) 2000-03-14 2001-09-24 James Hardie International Finance B.V. Fiber cement building materials with low density additives
AU2001292966B2 (en) 2000-10-04 2007-06-28 James Hardie Technology Limited Fiber cement composite materials using sized cellulose fibers
MXPA03002711A (es) 2000-10-04 2003-07-28 James Hardie Res Pty Ltd Materiales del compuesto de cemento con fibras, usando fibras de celulosa cargadas con sustancias organicas y/o inorganicas.
US20050126430A1 (en) * 2000-10-17 2005-06-16 Lightner James E.Jr. Building materials with bioresistant properties
KR100817968B1 (ko) * 2000-10-17 2008-03-31 제임스 하디 인터내셔널 파이낸스 비.브이. 살생제 처리된 내구성 셀룰로오스 섬유를 이용한 섬유시멘트 복합재료
KR100865807B1 (ko) * 2000-10-17 2008-10-28 제임스 하디 인터내셔널 파이낸스 비.브이. 섬유 강화 시멘트 복합 재료의 제조를 위해 셀룰로스섬유의 불순물을 감소시키는 방법 및 장치
CA2439698C (en) * 2001-03-09 2011-04-19 James Hardie Research Pty. Limited Fiber reinforced cement composite materials using chemically treated fibers with improved dispersibility
US7018509B2 (en) * 2002-08-31 2006-03-28 International Paper Co. Elimination of alum yellowing of aspen thermomechanical pulp through pulp washing
US7993570B2 (en) 2002-10-07 2011-08-09 James Hardie Technology Limited Durable medium-density fibre cement composite
JP2006518323A (ja) * 2003-01-09 2006-08-10 ジェイムズ ハーディー インターナショナル ファイナンス ベスローテン フェンノートシャップ 漂白セルロース繊維を使用した繊維セメント複合材料
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
CA2648966C (en) 2006-04-12 2015-01-06 James Hardie International Finance B.V. A 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
SE529475C2 (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
ES2038097T5 (es) * 1989-06-06 2001-05-01 Eka Chemicals Ab Procedimiento para blanquear pastas papeleras que contienen lignocelulosa.
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
JP2825346B2 (ja) * 1990-05-17 1998-11-18 ユニオン キャンプ コーポレイション リグノセルロース物質の環境上改良された漂白方法
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
SE9201477D0 (sv) 1992-05-11
NO944291L (no) 1994-11-10
EP0705360A1 (en) 1996-04-10
FI945287A (sv) 1994-11-10
AU4096793A (en) 1993-12-13
WO1993023607A1 (en) 1993-11-25
US5415734A (en) 1995-05-16
CA2118316A1 (en) 1993-11-25
SE9201477L (sv) 1993-06-28
RU94046173A (ru) 1996-09-20
JPH07506637A (ja) 1995-07-20
NZ252341A (en) 1996-05-28
NO944291D0 (no) 1994-11-10
SE469387B (sv) 1993-06-28
FI945287A0 (sv) 1994-11-10
BR9306334A (pt) 1998-06-30
AU664453B2 (en) 1995-11-16

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