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UY31144A1 - Metodo para tratar flujos liquidos en una fabrica de pulpa - Google Patents

Metodo para tratar flujos liquidos en una fabrica de pulpa

Info

Publication number
UY31144A1
UY31144A1 UY31144A UY31144A UY31144A1 UY 31144 A1 UY31144 A1 UY 31144A1 UY 31144 A UY31144 A UY 31144A UY 31144 A UY31144 A UY 31144A UY 31144 A1 UY31144 A1 UY 31144A1
Authority
UY
Uruguay
Prior art keywords
liquid flows
pulp
treat liquid
pulp factory
factory
Prior art date
Application number
UY31144A
Other languages
English (en)
Inventor
Pekka Tervola
Olavi Pikka
Vehmaa Janne
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
Application filed by Andritz Oy filed Critical Andritz Oy
Publication of UY31144A1 publication Critical patent/UY31144A1/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
    • 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
    • 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)
    • 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
    • D21C9/02—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
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)

Abstract

La presente invención se relaciona con un método para tratar flujos líquidos en una fábrica de pulpa química, que comprende al menos un proceso de digestión alcalina para producir pulpa, el tratamiento del lavado de pulpa marrón con ciclos líquidos asencialmente cerrados, una planta de recuperación química que comprende al menos una caldera de recuperación química, y la purificación del agua desecho.
UY31144A 2007-06-15 2008-06-11 Metodo para tratar flujos liquidos en una fabrica de pulpa UY31144A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20070477A FI122812B (fi) 2007-06-15 2007-06-15 Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla

Publications (1)

Publication Number Publication Date
UY31144A1 true UY31144A1 (es) 2009-01-30

Family

ID=38212334

Family Applications (1)

Application Number Title Priority Date Filing Date
UY31144A UY31144A1 (es) 2007-06-15 2008-06-11 Metodo para tratar flujos liquidos en una fabrica de pulpa

Country Status (8)

Country Link
US (1) US8632656B2 (es)
CN (1) CN101688362B (es)
AR (1) AR066993A1 (es)
BR (1) BRPI0812892B1 (es)
CL (1) CL2008001715A1 (es)
FI (1) FI122812B (es)
UY (1) UY31144A1 (es)
WO (1) WO2008152187A2 (es)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8317975B2 (en) 2004-04-20 2012-11-27 The Research Foundation Of The State University Of New York Product and processes from an integrated forest biorefinery
FI126551B (fi) * 2009-11-25 2017-02-15 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla
US8753477B2 (en) 2010-03-23 2014-06-17 International Paper Company BCTMP filtrate recycling system and method
CN103987664B (zh) 2011-12-06 2017-03-08 德尔塔阀门公司 龙头中的臭氧分配
FI128900B (en) * 2012-03-12 2021-02-26 Upm Kymmene Corp A method for treating liquid flows at a chemical pulp mill and use of low chloride content process waters at a chemical pulp mill
FI126563B (en) * 2012-03-12 2017-02-15 Upm Kymmene Corp A method and system for treating fluid flows at a pulp mill
FI129114B (en) * 2012-03-12 2021-07-15 Upm Kymmene Corp Method and device for treating liquid streams in a cellulose factory
CN103572633B (zh) * 2013-11-13 2015-07-15 广西大学 一种二氧化氯漂白方法
CN115093008B (zh) 2015-12-21 2024-05-14 德尔塔阀门公司 包括消毒装置的流体输送系统
CN106958161B (zh) * 2017-03-13 2018-06-01 广西大学 一种纸浆高温二氧化氯漂白段余热回收方法

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4196043A (en) * 1970-12-21 1980-04-01 Scott Paper Company Kraft pulp bleaching and recovery 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
US5938892A (en) * 1991-01-28 1999-08-17 Champion International Corporation Process for recycling bleach plant filtrate
CA2089516A1 (en) 1992-02-21 1993-08-22 Kaj Henricson Chlorine free pulping and bleaching sequence
US5302246A (en) 1992-07-30 1994-04-12 Kamyr, Inc. Method of managing liquid steams in a pulp mill
US5374333A (en) * 1992-07-30 1994-12-20 Kamyr, Inc. Method for minimizing pulp mill effluents
US5380402A (en) 1992-07-30 1995-01-10 Kamyr, Inc. Reducing pulp mill liquid discharge
SE470538C (sv) 1992-12-02 1996-02-26 Kvaerner Pulping Tech Sätt vid blekning av massa utan användning av klorhaltiga kemikalier
US6210527B1 (en) 1994-03-14 2001-04-03 The Boc Group, Inc. Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream
US6569284B1 (en) * 1996-09-24 2003-05-27 International Paper Company Elemental-chlorine-free bleaching process having an initial Eo or Eop stage
AU5317700A (en) 1999-06-08 2000-12-28 Eastern Pulp And Paper Corporation Bleaching pulp with high-pressure O2
US6346166B1 (en) * 1999-06-14 2002-02-12 Andritz-Ahlstrom Inc. Flash tank steam economy improvement
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
US6752903B2 (en) * 2001-07-27 2004-06-22 Craig A. Bianchini Method for mitigating the interference caused by high-molecular weight by-products in pulping processes
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
CN101688362A (zh) 2010-03-31
BRPI0812892A2 (pt) 2014-12-09
AR066993A1 (es) 2009-09-23
FI20070477L (fi) 2008-12-16
FI20070477A0 (sv) 2007-06-15
WO2008152187A3 (en) 2009-02-26
US20100243184A1 (en) 2010-09-30
CN101688362B (zh) 2013-07-03
BRPI0812892B1 (pt) 2018-02-14
CL2008001715A1 (es) 2008-12-26
FI122812B (fi) 2012-07-13
WO2008152187A2 (en) 2008-12-18
US8632656B2 (en) 2014-01-21

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Legal Events

Date Code Title Description
110 Patent granted

Effective date: 20191007