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CL2008001734A1 - Metodo relacionado con lavado de pulpa en fabrica de pulpa que comprende producir pulpa por digestion alcalina con licor de digestion, lavado de pulpa que incluye su prensado, blanqueo ecf de pulpa que forma efluentes con cloruro, purificacion de efluentes e introduccion del efluente purificado en dilucion posterior a prensado. - Google Patents

Metodo relacionado con lavado de pulpa en fabrica de pulpa que comprende producir pulpa por digestion alcalina con licor de digestion, lavado de pulpa que incluye su prensado, blanqueo ecf de pulpa que forma efluentes con cloruro, purificacion de efluentes e introduccion del efluente purificado en dilucion posterior a prensado.

Info

Publication number
CL2008001734A1
CL2008001734A1 CL2008001734A CL2008001734A CL2008001734A1 CL 2008001734 A1 CL2008001734 A1 CL 2008001734A1 CL 2008001734 A CL2008001734 A CL 2008001734A CL 2008001734 A CL2008001734 A CL 2008001734A CL 2008001734 A1 CL2008001734 A1 CL 2008001734A1
Authority
CL
Chile
Prior art keywords
pulp
effluents
pressing
washing
digestion
Prior art date
Application number
CL2008001734A
Other languages
English (en)
Inventor
Janne Vehmaa
Olavi Pikka
Pekka Tervola
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
Priority claimed from FI20070477A external-priority patent/FI122812B/fi
Application filed by Andritz Oy filed Critical Andritz Oy
Publication of CL2008001734A1 publication Critical patent/CL2008001734A1/es

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • 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
    • D21C9/02—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
    • 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
    • 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
    • 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
    • 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
    • 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
    • D21C9/166—Bleaching ; Apparatus therefor with per compounds with peracids
    • 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
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)

Abstract

Método relacionado con lavado de pulpa en fábrica de pulpa que comprende producir pulpa por digestión alcalina con licor de digestión, lavado de pulpa que incluye su prensado, blanqueo ECF de pulpa que forma efluentes con cloruro, purificación de efluentes e introducción del efluente purificado en dilución posterior a prensado.
CL2008001734A 2007-06-15 2008-06-12 Metodo relacionado con lavado de pulpa en fabrica de pulpa que comprende producir pulpa por digestion alcalina con licor de digestion, lavado de pulpa que incluye su prensado, blanqueo ecf de pulpa que forma efluentes con cloruro, purificacion de efluentes e introduccion del efluente purificado en dilucion posterior a prensado. CL2008001734A1 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI20070477A FI122812B (fi) 2007-06-15 2007-06-15 Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
FI20080144A FI122241B (fi) 2007-06-15 2008-02-22 Menetelmä massan pesun yhteydessä sellutehtaalla

Publications (1)

Publication Number Publication Date
CL2008001734A1 true CL2008001734A1 (es) 2008-12-26

Family

ID=39148924

Family Applications (1)

Application Number Title Priority Date Filing Date
CL2008001734A CL2008001734A1 (es) 2007-06-15 2008-06-12 Metodo relacionado con lavado de pulpa en fabrica de pulpa que comprende producir pulpa por digestion alcalina con licor de digestion, lavado de pulpa que incluye su prensado, blanqueo ecf de pulpa que forma efluentes con cloruro, purificacion de efluentes e introduccion del efluente purificado en dilucion posterior a prensado.

Country Status (9)

Country Link
US (1) US8632655B2 (es)
JP (1) JP5191536B2 (es)
CN (1) CN101680168B (es)
AR (2) AR066994A1 (es)
BR (1) BRPI0812941B1 (es)
CL (1) CL2008001734A1 (es)
FI (1) FI122241B (es)
UY (1) UY31147A1 (es)
WO (1) WO2008152185A2 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE532370C2 (sv) * 2008-02-28 2009-12-29 Metso Paper Inc Metod för blekning av en massa
JP5526604B2 (ja) * 2009-05-21 2014-06-18 三菱瓦斯化学株式会社 Ｅｃｆ漂白方法
FI126551B (fi) 2009-11-25 2017-02-15 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
WO2013086217A1 (en) 2011-12-06 2013-06-13 Masco Corporation Of Indiana Ozone distribution in a faucet
FI129114B (en) * 2012-03-12 2021-07-15 Upm Kymmene Corp Method and device for treating liquid streams in a cellulose factory
FI126563B (en) * 2012-03-12 2017-02-15 Upm Kymmene Corp A method and system for treating fluid flows at a pulp mill
CN102877347B (zh) * 2012-09-18 2015-05-13 恒天海龙股份有限公司 利用化学纸浆制备溶解浆的漂白工艺
CN102877349B (zh) * 2012-09-29 2014-10-15 广西大学 一种制浆黑液酸化滤液的循环处理方法
CN108463437B (zh) 2015-12-21 2022-07-08 德尔塔阀门公司 包括消毒装置的流体输送系统
AR122640A1 (es) * 2020-06-17 2022-09-28 Suzano Sa Método para tratar un condensado en un proceso de fabricación de pulpa

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4188260A (en) * 1977-05-05 1980-02-12 Erco Envirotech Ltd. Low effluent pulp mill, bleach plant operation
AT377546B (de) 1983-02-25 1985-03-25 Dieter J Becker Verfahren zur reinigung von bei der zellstoffherstellung, insbesondere bei der chlorbleiche von zellstoff, anfallenden abwaessern
US4595456A (en) * 1983-04-13 1986-06-17 Andersson Alf Ove Pulp washing process
US5126009A (en) * 1986-05-30 1992-06-30 Pulp And Paper Research Institute Of Canada Process for decreasing the charge of chemical required in a chlorine bleaching extraction stage
AU619580B2 (en) * 1988-08-23 1992-01-30 Sappi Limited Elimination of bleach effluents
US5525195A (en) * 1989-02-15 1996-06-11 Union Camp Patent Holding, Inc. Process for high consistency delignification using a low consistency alkali pretreatment
SE9001547L (sv) * 1990-04-30 1991-10-31 Sunds Defibrator Ind Ab Blekningav kemisk massa
FI923585A7 (fi) * 1991-08-14 1993-02-15 Union Camp Patent Holding Pesupuristimen käyttö massan alkalilisäysprosessissa
US5785810A (en) * 1991-08-21 1998-07-28 Salminen; Reijo K. Wood pulp processing apparatus and method
FI924751A7 (fi) * 1991-10-29 1993-04-30 Union Camp Patent Holding Tvaettpressmodifikation foer en syredelignifieringsmetod
US5374333A (en) * 1992-07-30 1994-12-20 Kamyr, Inc. Method for minimizing pulp mill effluents
US5302246A (en) * 1992-07-30 1994-04-12 Kamyr, Inc. Method of managing liquid steams in a pulp mill
US6569284B1 (en) * 1996-09-24 2003-05-27 International Paper Company Elemental-chlorine-free bleaching process having an initial Eo or Eop stage
CN1247248A (zh) 1999-07-29 2000-03-15 曹大平 废水全循环无污染制浆造纸工艺
JP2001115382A (ja) * 1999-10-14 2001-04-24 Nippon Paper Industries Co Ltd 漂白クラフトパルプの製造方法
SE516969C2 (sv) * 2000-08-14 2002-03-26 Metso Paper Inc Klordioxidblekning i två steg med återföring av filtrat
CA2452145A1 (en) 2003-06-03 2004-12-03 David Tarasenko Method for producing pulp and lignin
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
CN100402448C (zh) 2006-09-27 2008-07-16 山东贵和显星纸业股份有限公司 制浆造纸废水的净化处理方法

Also Published As

Publication number Publication date
BRPI0812941A2 (pt) 2014-12-16
US20100243183A1 (en) 2010-09-30
WO2008152185A3 (en) 2009-02-26
FI122241B (fi) 2011-10-31
US8632655B2 (en) 2014-01-21
UY31147A1 (es) 2009-01-30
JP5191536B2 (ja) 2013-05-08
CN101680168B (zh) 2014-02-19
BRPI0812941B1 (pt) 2020-05-12
JP2010530035A (ja) 2010-09-02
AR066994A1 (es) 2009-09-23
FI20080144L (fi) 2008-12-16
FI20080144A0 (fi) 2008-02-22
AR067000A1 (es) 2009-09-30
WO2008152185A2 (en) 2008-12-18
CN101680168A (zh) 2010-03-24

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