CA2037717C - Cuisson prolongee de pate kraft avec ajout d'eau blanche dans le circuit de recirculation - Google Patents

Cuisson prolongee de pate kraft avec ajout d'eau blanche dans le circuit de recirculation

Info

Publication number
CA2037717C
CA2037717C CA002037717A CA2037717A CA2037717C CA 2037717 C CA2037717 C CA 2037717C CA 002037717 A CA002037717 A CA 002037717A CA 2037717 A CA2037717 A CA 2037717A CA 2037717 C CA2037717 C CA 2037717C
Authority
CA
Canada
Prior art keywords
kraft
digester
white liquor
practiced
recited
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
CA002037717A
Other languages
English (en)
Other versions
CA2037717A1 (fr
Inventor
Bertil Stromberg
Jian Jiang
Richard Laakso
Joseph R. Phillips
Brian F. Greenwood
James Robert Prough
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kamyr Inc
Original Assignee
Kamyr Inc
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 Kamyr Inc filed Critical Kamyr Inc
Publication of CA2037717A1 publication Critical patent/CA2037717A1/fr
Application granted granted Critical
Publication of CA2037717C publication Critical patent/CA2037717C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • D21C7/00—Digesters
    • 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

  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Cookers (AREA)
  • Detergent Compositions (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
CA002037717A 1990-09-17 1991-03-07 Cuisson prolongee de pate kraft avec ajout d'eau blanche dans le circuit de recirculation Expired - Lifetime CA2037717C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58304390A 1990-09-17 1990-09-17
US583,043 1990-09-17

Publications (2)

Publication Number Publication Date
CA2037717A1 CA2037717A1 (fr) 1992-03-18
CA2037717C true CA2037717C (fr) 1996-03-05

Family

ID=24331461

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002037717A Expired - Lifetime CA2037717C (fr) 1990-09-17 1991-03-07 Cuisson prolongee de pate kraft avec ajout d'eau blanche dans le circuit de recirculation

Country Status (10)

Country Link
EP (1) EP0476230B1 (fr)
JP (1) JP3029492B2 (fr)
AT (1) ATE146538T1 (fr)
BR (1) BR9103650A (fr)
CA (1) CA2037717C (fr)
DE (1) DE69123670D1 (fr)
FI (1) FI103815B1 (fr)
NO (1) NO179918C (fr)
RU (1) RU2089694C1 (fr)
ZA (1) ZA912117B (fr)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2089516A1 (fr) * 1992-02-21 1993-08-22 Kaj Henricson Procede de mise en pate et de blanchiment sans chlore
US5401361A (en) * 1992-08-19 1995-03-28 Kamyr, Inc. Completely coutercurrent cook continuous digester
SE501848C2 (sv) * 1992-11-18 1995-06-06 Kvaerner Pulping Tech Metod att koka massa kontinuerligt vid konstant temperatur
SE500455C2 (sv) * 1992-11-18 1994-06-27 Kamyr Ab Förfarande vid kontinuerlig kokning under förhöjt tryck och temperatur av fibermateral i en vertikal kokare
WO1994024362A1 (fr) * 1993-04-20 1994-10-27 Kamyr Ab Procede continu de cuisson d'une pate
US5766413A (en) * 1993-04-23 1998-06-16 Kvaerner Pulping Ab Process for isothermal cooking pulp in a continuous digester
US6132556A (en) * 1993-05-04 2000-10-17 Andritz-Ahlstrom Inc. Method of controlling pulp digester pressure via liquor extraction
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
US5575890A (en) * 1993-05-04 1996-11-19 Kamyr, Inc. Method for selectively increasing the sulfide ion concentration and sulfidity of kraft cooking liquor during kraft cooking of wood
US5824188A (en) * 1993-05-04 1998-10-20 Ahlstrom Machinery Inc. Method of controlling the pressure of a continuous digester using an extraction-dilution
SE502667C2 (sv) * 1993-07-12 1995-12-04 Kvaerner Pulping Tech Behandling av fibermaterial med komplexbildare före kokning
AU2697295A (en) * 1994-09-02 1996-03-27 Kamyr Inc. Continuous kraft cooking with black liquor pretreatment
SE506458C2 (sv) 1996-02-09 1997-12-15 Kvaerner Pulping Tech Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska
BE1011503A3 (fr) * 1997-10-17 1999-10-05 Solvay Interox Fabrication de pate a papier chimique.
SE0004049L (sv) * 2000-11-03 2001-11-05 Kvaerner Pulping Tech Kontinuerlig kokning av massa med avdrag av begagnad koklut dels från kokaren, dels från en efterföljande tryckdiffusör
SE518542C2 (sv) * 2001-03-21 2002-10-22 Kvaerner Pulping Tech Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokare
SE517674E8 (sv) * 2001-05-02 2015-10-20 Metso Paper Sweden Ab Förfarande för tvättvätsketillförsel till kokningsprocess för cellulosamassa
GB0119237D0 (en) * 2001-08-07 2001-10-03 Bioregional Minimills Uk Ltd Paper plant
RU2407768C2 (ru) * 2005-06-03 2010-12-27 Андриц Аг Способ снижения потребления электроэнергии при производстве термомеханической древесной массы посредством высокотемпературного размола древесной массы низкой и средней концентрации
RU2335590C1 (ru) * 2007-01-16 2008-10-10 Витаутас Валентинович Сенкус Способ изготовления устойчивой железнодорожной шпалы с использованием отходов горно-металлургического производства
US20090038767A1 (en) * 2007-08-07 2009-02-12 Andritz Inc. Method and System for Semi-Chemical Pulping
CA2638196C (fr) 2007-08-07 2015-12-15 Andritz Inc. Procede et systeme applicables a la production semi-chimique de pate a papier
US7828930B2 (en) * 2007-11-20 2010-11-09 International Paper Company Use of polysulfide in modified cooking
SE539706C2 (en) * 2014-11-07 2017-11-07 Valmet Oy Method for recovering hydrolyzate

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3215588A (en) * 1963-08-15 1965-11-02 Lummus Co Continuous impregnation, cooking, and washing of fibrous material
US3427218A (en) * 1964-07-10 1969-02-11 Kamyr Ab Method of performing counter-current continuous cellulose digestion
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips

Also Published As

Publication number Publication date
FI103815B (fi) 1999-09-30
JPH04300378A (ja) 1992-10-23
FI914353A0 (fi) 1991-09-17
AU647129B2 (en) 1994-03-17
EP0476230B1 (fr) 1996-12-18
CA2037717A1 (fr) 1992-03-18
DE69123670D1 (de) 1997-01-30
NO179918B (no) 1996-09-30
ATE146538T1 (de) 1997-01-15
EP0476230A2 (fr) 1992-03-25
RU2089694C1 (ru) 1997-09-10
JP3029492B2 (ja) 2000-04-04
ZA912117B (en) 1991-11-27
FI103815B1 (fi) 1999-09-30
NO913639L (no) 1992-03-18
NO913639D0 (no) 1991-09-16
BR9103650A (pt) 1992-05-19
EP0476230A3 (en) 1993-06-09
AU7830591A (en) 1992-03-19
NO179918C (no) 1997-01-08
FI914353A7 (fi) 1992-03-18

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Legal Events

Date Code Title Description
EEER Examination request
MKEX Expiry