RU2089694C1 - Способ непрерывной сульфатной варки измельченного целлюлозного волокнистого материала и устройство для его осуществления - Google Patents

Способ непрерывной сульфатной варки измельченного целлюлозного волокнистого материала и устройство для его осуществления Download PDF

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Publication number
RU2089694C1
RU2089694C1 SU915001635A SU5001635A RU2089694C1 RU 2089694 C1 RU2089694 C1 RU 2089694C1 SU 915001635 A SU915001635 A SU 915001635A SU 5001635 A SU5001635 A SU 5001635A RU 2089694 C1 RU2089694 C1 RU 2089694C1
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RU
Russia
Prior art keywords
digester
recirculation
white liquor
liquor
recirculation loop
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Application number
SU915001635A
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English (en)
Russian (ru)
Inventor
Стромберг Бертил
Джианг Джиан
Лааксо Ричард
Филлипс Джозеф
Гринвуд Брайан
Р.Праф Джеймс
Original Assignee
Камир, Инк
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Publication date
Application filed by Камир, Инк filed Critical Камир, Инк
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Publication of RU2089694C1 publication Critical patent/RU2089694C1/ru

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    • 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

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  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Cookers (AREA)
  • Detergent Compositions (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Nitrogen Condensed Heterocyclic Rings (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
SU915001635A 1990-09-17 1991-09-16 Способ непрерывной сульфатной варки измельченного целлюлозного волокнистого материала и устройство для его осуществления RU2089694C1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US58304390A 1990-09-17 1990-09-17
US07/583,043 1990-09-17

Publications (1)

Publication Number Publication Date
RU2089694C1 true RU2089694C1 (ru) 1997-09-10

Family

ID=24331461

Family Applications (1)

Application Number Title Priority Date Filing Date
SU915001635A RU2089694C1 (ru) 1990-09-17 1991-09-16 Способ непрерывной сульфатной варки измельченного целлюлозного волокнистого материала и устройство для его осуществления

Country Status (10)

Country Link
EP (1) EP0476230B1 (fi)
JP (1) JP3029492B2 (fi)
AT (1) ATE146538T1 (fi)
BR (1) BR9103650A (fi)
CA (1) CA2037717C (fi)
DE (1) DE69123670D1 (fi)
FI (1) FI103815B (fi)
NO (1) NO179918C (fi)
RU (1) RU2089694C1 (fi)
ZA (1) ZA912117B (fi)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2089516A1 (en) * 1992-02-21 1993-08-22 Kaj Henricson Chlorine free pulping and bleaching sequence
US5401361A (en) * 1992-08-19 1995-03-28 Kamyr, Inc. Completely coutercurrent cook continuous digester
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
SE501848C2 (sv) * 1992-11-18 1995-06-06 Kvaerner Pulping Tech Metod att koka massa kontinuerligt vid konstant temperatur
WO1994024362A1 (en) * 1993-04-20 1994-10-27 Kamyr Ab Method of continuously cooking pulp
US5766413A (en) * 1993-04-23 1998-06-16 Kvaerner Pulping Ab Process for isothermal cooking pulp in a continuous digester
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US5824188A (en) * 1993-05-04 1998-10-20 Ahlstrom Machinery Inc. Method of controlling the pressure of a continuous digester using an extraction-dilution
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
US6132556A (en) * 1993-05-04 2000-10-17 Andritz-Ahlstrom Inc. Method of controlling pulp digester pressure via liquor extraction
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
SE502667C2 (sv) * 1993-07-12 1995-12-04 Kvaerner Pulping Tech Behandling av fibermaterial med komplexbildare före kokning
WO1996007786A1 (en) * 1994-09-02 1996-03-14 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.
SE515970C2 (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
US20090038767A1 (en) * 2007-08-07 2009-02-12 Andritz Inc. Method and System for Semi-Chemical Pulping
CA2638196C (en) 2007-08-07 2015-12-15 Andritz Inc. Method and system for semi-chemical pulping
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Шитов Ф.А. Технология целлюлозно-бумажного производства. - М.: Лесная промышленность, 1971, с. 105 - 107. *

Also Published As

Publication number Publication date
EP0476230B1 (en) 1996-12-18
JPH04300378A (ja) 1992-10-23
AU7830591A (en) 1992-03-19
NO179918B (no) 1996-09-30
JP3029492B2 (ja) 2000-04-04
FI914353A (fi) 1992-03-18
EP0476230A3 (en) 1993-06-09
CA2037717C (en) 1996-03-05
NO913639L (no) 1992-03-18
BR9103650A (pt) 1992-05-19
DE69123670D1 (de) 1997-01-30
FI103815B1 (fi) 1999-09-30
NO179918C (no) 1997-01-08
NO913639D0 (no) 1991-09-16
FI914353A0 (fi) 1991-09-17
EP0476230A2 (en) 1992-03-25
ATE146538T1 (de) 1997-01-15
FI103815B (fi) 1999-09-30
ZA912117B (en) 1991-11-27
CA2037717A1 (en) 1992-03-18
AU647129B2 (en) 1994-03-17

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