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FI123299B - Menetelmä ja järjestely massan pesemiseksi valkaisun yhteydessä - Google Patents

Menetelmä ja järjestely massan pesemiseksi valkaisun yhteydessä Download PDF

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Publication number
FI123299B
FI123299B FI20105644A FI20105644A FI123299B FI 123299 B FI123299 B FI 123299B FI 20105644 A FI20105644 A FI 20105644A FI 20105644 A FI20105644 A FI 20105644A FI 123299 B FI123299 B FI 123299B
Authority
FI
Finland
Prior art keywords
pulp
washing
bleaching
filtrate
scrubber
Prior art date
Application number
FI20105644A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI20105644A (fi
FI20105644A0 (fi
Inventor
Olavi Pikka
Pekka Tervola
De Andrade Marco Antonio
Bittencourt Groetzner Mariana De
Ronny Adolfo Geiger
Original Assignee
Andritz Oy
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=42308101&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI123299(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andritz Oy filed Critical Andritz Oy
Priority to FI20105644A priority Critical patent/FI123299B/fi
Publication of FI20105644A0 publication Critical patent/FI20105644A0/fi
Priority to UY0001033432A priority patent/UY33432A/es
Priority to CL2011001351A priority patent/CL2011001351A1/es
Priority to CN201110159196.5A priority patent/CN102268830B/zh
Priority to BRPI1103082-8A priority patent/BRPI1103082A2/pt
Publication of FI20105644A publication Critical patent/FI20105644A/fi
Application granted granted Critical
Publication of FI123299B publication Critical patent/FI123299B/fi

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
    • D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
    • D21C11/0028—Effluents derived from the washing or bleaching plants
    • 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
    • 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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI20105644A 2010-06-07 2010-06-07 Menetelmä ja järjestely massan pesemiseksi valkaisun yhteydessä FI123299B (fi)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FI20105644A FI123299B (fi) 2010-06-07 2010-06-07 Menetelmä ja järjestely massan pesemiseksi valkaisun yhteydessä
UY0001033432A UY33432A (es) 2010-06-07 2011-06-06 Método y disposición para lavar pasta química relacionados con un proceso de blanqueado
CL2011001351A CL2011001351A1 (es) 2010-06-07 2011-06-06 Metodo y disposicion para lavar pasta quimica, relacionado con un proceso de blanqueado, que comprende dirigir en la direccion del flujo de la pasta por lo menos una porcion de filtrado formado en una etapa corriente arriba del lavado respecto de la direccion del flujo de la pasta, a una etapa de lavado corriente abajo.
CN201110159196.5A CN102268830B (zh) 2010-06-07 2011-06-07 用于与漂白结合洗涤浆的方法和装置
BRPI1103082-8A BRPI1103082A2 (pt) 2010-06-07 2011-06-07 mÉtodo e disposiÇço para lavar polpa com relaÇço À alvejamento

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20105644A FI123299B (fi) 2010-06-07 2010-06-07 Menetelmä ja järjestely massan pesemiseksi valkaisun yhteydessä
FI20105644 2010-06-07

Publications (3)

Publication Number Publication Date
FI20105644A0 FI20105644A0 (fi) 2010-06-07
FI20105644A FI20105644A (fi) 2011-12-08
FI123299B true FI123299B (fi) 2013-02-15

Family

ID=42308101

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20105644A FI123299B (fi) 2010-06-07 2010-06-07 Menetelmä ja järjestely massan pesemiseksi valkaisun yhteydessä

Country Status (5)

Country Link
CN (1) CN102268830B (es)
BR (1) BRPI1103082A2 (es)
CL (1) CL2011001351A1 (es)
FI (1) FI123299B (es)
UY (1) UY33432A (es)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US6569284B1 (en) * 1996-09-24 2003-05-27 International Paper Company Elemental-chlorine-free bleaching process having an initial Eo or Eop stage
CN100557123C (zh) * 2004-03-09 2009-11-04 徐守才 碱性亚硫酸钠法草浆的少氯漂白及中段水全封闭回用技术
JP2008184719A (ja) * 2007-01-31 2008-08-14 Daio Paper Corp 漂白工程前に酸処理工程を有するクラフトパルプの製造工程における酸処理工程排水の再利用方法

Also Published As

Publication number Publication date
FI20105644A (fi) 2011-12-08
FI20105644A0 (fi) 2010-06-07
CN102268830A (zh) 2011-12-07
BRPI1103082A2 (pt) 2012-11-20
CN102268830B (zh) 2015-11-25
UY33432A (es) 2012-01-31
CL2011001351A1 (es) 2012-07-06

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