BR112014022420B1 - Método para tratar fluxos de líquido em uma fábrica de pasta química, e, uso de águas de processo com baixo conteúdo de cloreto em uma fábrica de pasta química - Google Patents

Método para tratar fluxos de líquido em uma fábrica de pasta química, e, uso de águas de processo com baixo conteúdo de cloreto em uma fábrica de pasta química Download PDF

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Publication number
BR112014022420B1
BR112014022420B1 BR112014022420-0A BR112014022420A BR112014022420B1 BR 112014022420 B1 BR112014022420 B1 BR 112014022420B1 BR 112014022420 A BR112014022420 A BR 112014022420A BR 112014022420 B1 BR112014022420 B1 BR 112014022420B1
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BR
Brazil
Prior art keywords
chloride content
water
waters
low chloride
pulp
Prior art date
Application number
BR112014022420-0A
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English (en)
Portuguese (pt)
Other versions
BR112014022420A2 (pt
Inventor
Katja Viitikko
Sami SAARELA
Tuija Vartia
Virginia Fernandez
Maria Jose Aguerrebere
Matti Ristolainen
Olli Rimpinen
Original Assignee
Upm-Kymmene Corporation
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 Upm-Kymmene Corporation filed Critical Upm-Kymmene Corporation
Publication of BR112014022420A2 publication Critical patent/BR112014022420A2/pt
Publication of BR112014022420B1 publication Critical patent/BR112014022420B1/pt

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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
    • 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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0014—Combination of various pulping processes with one or several recovery systems (cross-recovery)
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • 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

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  • Paper (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
BR112014022420-0A 2012-03-12 2013-03-12 Método para tratar fluxos de líquido em uma fábrica de pasta química, e, uso de águas de processo com baixo conteúdo de cloreto em uma fábrica de pasta química BR112014022420B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20125264 2012-03-12
FI20125264A FI128900B (en) 2012-03-12 2012-03-12 Process for the treatment of liquid streams in a cellulose plant and the use of low chloride process water in a cellulose plant
PCT/FI2013/050269 WO2013135956A2 (en) 2012-03-12 2013-03-12 A method and a system for treating liquid flows at a chemical pulp mill

Publications (2)

Publication Number Publication Date
BR112014022420A2 BR112014022420A2 (pt) 2017-06-20
BR112014022420B1 true BR112014022420B1 (pt) 2021-06-29

Family

ID=48044815

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112014022420-0A BR112014022420B1 (pt) 2012-03-12 2013-03-12 Método para tratar fluxos de líquido em uma fábrica de pasta química, e, uso de águas de processo com baixo conteúdo de cloreto em uma fábrica de pasta química

Country Status (6)

Country Link
CN (1) CN104169493B (es)
BR (1) BR112014022420B1 (es)
FI (1) FI128900B (es)
RU (1) RU2634894C2 (es)
UY (1) UY34673A (es)
WO (1) WO2013135956A2 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104878636B (zh) * 2015-04-23 2017-08-25 中国制浆造纸研究院 一种精制棉制备及其污染物治理的方法
FI128252B (en) * 2015-11-04 2020-01-31 Kemira Oyj A method for optimizing material cycling in a chemical pulping process
SE542676C2 (en) * 2017-11-29 2020-06-23 Axolot Solutions Ab Method for washer pulp where the wash filter is purified and re-circulated
SE2230351A1 (en) * 2022-11-02 2024-05-03 Valmet Oy Pulp mill

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1113207A (en) * 1978-04-19 1981-12-01 Allan F. Gilbert Removal of potassium values from pulp mill liquors
US5853535A (en) * 1991-01-28 1998-12-29 Champion International Corporation Process for manufacturing bleached pulp including recycling
US5938892A (en) * 1991-01-28 1999-08-17 Champion International Corporation Process for recycling bleach plant filtrate
US5549788A (en) * 1992-07-30 1996-08-27 A. Ahlstrom Corporation Minimal effluents discharge pulp mill with chemical recovery
AU7720094A (en) * 1993-09-02 1995-03-22 Union Camp Patent Holding, Inc. Improved method for bleaching lignocellulosic pulp
US5626717A (en) * 1995-06-01 1997-05-06 International Paper Company Oxidative treatment of bleach plant effluent
US6569284B1 (en) * 1996-09-24 2003-05-27 International Paper Company Elemental-chlorine-free bleaching process having an initial Eo or Eop stage
EP0863113A1 (en) * 1997-03-07 1998-09-09 Akzo Nobel N.V. Process for treating wastewater
RU2211836C1 (ru) * 2002-04-24 2003-09-10 Кочетов Анатолий Сергеевич Способ переработки древесины лиственницы с выделением дигидрокверцетина и устройство для его осуществления
FI122812B (fi) * 2007-06-15 2012-07-13 Andritz Oy Menetelmä nestevirtojen käsittelemiseksi sellutehtaalla

Also Published As

Publication number Publication date
RU2014136219A (ru) 2016-05-10
WO2013135956A3 (en) 2013-11-21
FI128900B (en) 2021-02-26
BR112014022420A2 (pt) 2017-06-20
CN104169493B (zh) 2016-09-07
WO2013135956A2 (en) 2013-09-19
RU2634894C2 (ru) 2017-11-07
UY34673A (es) 2013-10-31
FI20125264L (fi) 2013-09-13
CN104169493A (zh) 2014-11-26

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according [chapter 6.6 patent gazette]
B06U Preliminary requirement: requests with searches performed by other patent offices: procedure suspended [chapter 6.21 patent gazette]
B06A Patent application procedure suspended [chapter 6.1 patent gazette]
B09A Decision: intention to grant [chapter 9.1 patent gazette]
B16A Patent or certificate of addition of invention granted [chapter 16.1 patent gazette]

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 12/03/2013, OBSERVADAS AS CONDICOES LEGAIS.