BR112012003755A2 - método de produção de hidróxido de sódio a partir de um efluente da produção de polpa de fibra - Google Patents

método de produção de hidróxido de sódio a partir de um efluente da produção de polpa de fibra

Info

Publication number
BR112012003755A2
BR112012003755A2 BR112012003755A BR112012003755A BR112012003755A2 BR 112012003755 A2 BR112012003755 A2 BR 112012003755A2 BR 112012003755 A BR112012003755 A BR 112012003755A BR 112012003755 A BR112012003755 A BR 112012003755A BR 112012003755 A2 BR112012003755 A2 BR 112012003755A2
Authority
BR
Brazil
Prior art keywords
effluent
sodium hydroxide
fiber pulp
pulp production
producing sodium
Prior art date
Application number
BR112012003755A
Other languages
English (en)
Other versions
BR112012003755B1 (pt
Inventor
Maija Pitkänen
Original Assignee
M Real Oyj
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 M Real Oyj filed Critical M Real Oyj
Publication of BR112012003755A2 publication Critical patent/BR112012003755A2/pt
Publication of BR112012003755B1 publication Critical patent/BR112012003755B1/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D1/00—Oxides or hydroxides of sodium, potassium or alkali metals in general
    • C01D1/04—Hydroxides
    • 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
    • D21C11/0042—Fractionating or concentration of spent liquors by special methods
    • 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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
    • D21C11/12—Combustion of pulp liquors
    • 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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/122—Treatment, e.g. dissolution, of the smelt
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Treatment Of Water By Oxidation Or Reduction (AREA)
BR112012003755-2A 2009-08-18 2010-08-18 Método de produção de hidróxido de sódio a partir de um efluente da produção de polpa de fibra BR112012003755B1 (pt)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI20095851 2009-08-18
FI20095851A FI124685B (fi) 2009-08-18 2009-08-18 Menetelmä natriumhydroksidin tuottamiseksi kuitumassan valmistuksen jätevirrasta
PCT/FI2010/050654 WO2011020949A1 (en) 2009-08-18 2010-08-18 Method of producing sodium hydroxide from an effluent of fiber pulp production

Publications (2)

Publication Number Publication Date
BR112012003755A2 true BR112012003755A2 (pt) 2016-04-12
BR112012003755B1 BR112012003755B1 (pt) 2019-05-28

Family

ID=41050679

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112012003755-2A BR112012003755B1 (pt) 2009-08-18 2010-08-18 Método de produção de hidróxido de sódio a partir de um efluente da produção de polpa de fibra

Country Status (9)

Country Link
CN (1) CN102625778B (pt)
AR (1) AR080852A1 (pt)
BR (1) BR112012003755B1 (pt)
CA (1) CA2767903C (pt)
FI (1) FI124685B (pt)
RU (1) RU2550177C2 (pt)
SE (1) SE536944C2 (pt)
UY (1) UY32847A (pt)
WO (1) WO2011020949A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI126767B (en) * 2012-11-16 2017-05-15 Andritz Oy Method for extracting the ash from a recovery boiler
CN103494810A (zh) * 2013-09-25 2014-01-08 青岛市市立医院 治疗网络成瘾的药物组合物
EP3966165A4 (en) * 2019-04-29 2023-06-14 FPInnovations METHOD FOR RECOVERING ALKALI FROM MATERIAL CONTAINING METALLIC OXIDE/HYDROXIDE

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI53141C (pt) * 1975-09-02 1978-02-10 Keskuslaboratorio
SU1624082A1 (ru) * 1989-01-12 1991-01-30 Ленинградская лесотехническая академия им.С.М.Кирова Способ регенерации отработанного щелока от сульфатной варки целлюлозы
US6348128B1 (en) 1998-06-01 2002-02-19 U.S. Borax Inc. Method of increasing the causticizing efficiency of alkaline pulping liquor by borate addition
US6294048B1 (en) 1998-06-01 2001-09-25 U.S. Borax Inc. Method for regenerating sodium hydroxide by partial autocausticizing sodium carbonate containing smelt by reaction with a borate
SE0202711D0 (sv) * 2002-09-12 2002-09-12 Kiram Ab Alkaline process for the manufacturing of pulp using alkali metaborate as buffering alkali
US20050076568A1 (en) * 2003-10-09 2005-04-14 Stigsson Lars Lennart Partial oxidation of cellulose spent pulping liquor
FI120548B (fi) 2004-01-14 2009-11-30 Rinheat Oy Menetelmä alkaliyhdisteitä sisältävän orgaanisen jätekonsentraatin polttamiseksi hapettavissa olosuhteissa
US20050155730A1 (en) 2004-01-20 2005-07-21 Stigsson Lars L. Method for the production of high yield chemical pulp from softwood

Also Published As

Publication number Publication date
RU2012102318A (ru) 2013-09-27
BR112012003755B1 (pt) 2019-05-28
WO2011020949A1 (en) 2011-02-24
UY32847A (es) 2011-06-30
SE536944C2 (sv) 2014-11-11
CA2767903C (en) 2019-05-14
AR080852A1 (es) 2012-05-16
FI20095851A0 (fi) 2009-08-18
CN102625778A (zh) 2012-08-01
FI124685B (fi) 2014-12-15
FI20095851A (fi) 2011-02-23
SE1250098A1 (sv) 2012-02-09
RU2550177C2 (ru) 2015-05-10
CA2767903A1 (en) 2011-02-24
CN102625778B (zh) 2015-05-20

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Legal Events

Date Code Title Description
B06F Objections, documents and/or translations needed after an examination request according art. 34 industrial property law
B06T Formal requirements before examination

Free format text: O DEPOSITANTE DEVE RESPONDER A EXIGENCIA FORMULADA NESTE PARECER POR MEIO DO SERVICO DE CODIGO 206 EM ATE 60 (SESSENTA) DIAS, A PARTIR DA DATA DE PUBLICACAO NA RPI, SOB PENA DO ARQUIVAMENTO DO PEDIDO, DE ACORDO COM O ART. 34 DA LPI.PUBLIQUE-SE A EXIGENCIA (6.20).

B25D Requested change of name of applicant approved

Owner name: METSAE BOARD OYJ (FI)

B25G Requested change of headquarter approved

Owner name: METSAE BOARD OYJ (FI)

B09A Decision: intention to grant
B16A Patent or certificate of addition of invention granted

Free format text: PRAZO DE VALIDADE: 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/08/2010, OBSERVADAS AS CONDICOES LEGAIS. (CO) 20 (VINTE) ANOS CONTADOS A PARTIR DE 18/08/2010, OBSERVADAS AS CONDICOES LEGAIS