BR112015000377A2 - método e dispositivo para obtenção de licor branco concentrado e lama de cal com baixo teor de álcali residual - Google Patents

método e dispositivo para obtenção de licor branco concentrado e lama de cal com baixo teor de álcali residual

Info

Publication number
BR112015000377A2
BR112015000377A2 BR112015000377A BR112015000377A BR112015000377A2 BR 112015000377 A2 BR112015000377 A2 BR 112015000377A2 BR 112015000377 A BR112015000377 A BR 112015000377A BR 112015000377 A BR112015000377 A BR 112015000377A BR 112015000377 A2 BR112015000377 A2 BR 112015000377A2
Authority
BR
Brazil
Prior art keywords
low residual
white liquor
lime mud
residual alkali
obtaining concentrated
Prior art date
Application number
BR112015000377A
Other languages
English (en)
Other versions
BR112015000377B1 (pt
Inventor
Eva Hogebrandt
Magnus Ingelman
Roger Jansson
Original Assignee
Valmet 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 Valmet Oy filed Critical Valmet Oy
Publication of BR112015000377A2 publication Critical patent/BR112015000377A2/pt
Publication of BR112015000377B1 publication Critical patent/BR112015000377B1/pt

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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D33/00—Filters with filtering elements which move during the filtering operation
    • B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
    • B01D33/21—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with hollow filtering discs transversely mounted on a hollow rotary shaft
    • 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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Removal Of Specific Substances (AREA)
  • Treatment Of Sludge (AREA)
BR112015000377-0A 2012-07-09 2012-07-09 método e dispositivo para obtenção de licor branco concentrado e lama de cal com baixo teor de álcali residual BR112015000377B1 (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2012/000106 WO2014011089A1 (en) 2012-07-09 2012-07-09 Method and apparatus for obtaining strong white liquor and lime mud with low residual alkali level

Publications (2)

Publication Number Publication Date
BR112015000377A2 true BR112015000377A2 (pt) 2017-06-27
BR112015000377B1 BR112015000377B1 (pt) 2020-12-08

Family

ID=49916387

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112015000377-0A BR112015000377B1 (pt) 2012-07-09 2012-07-09 método e dispositivo para obtenção de licor branco concentrado e lama de cal com baixo teor de álcali residual

Country Status (7)

Country Link
US (1) US10011947B2 (pt)
JP (1) JP6298813B2 (pt)
CN (1) CN104471147B (pt)
BR (1) BR112015000377B1 (pt)
CA (1) CA2878228A1 (pt)
FI (1) FI20146154A (pt)
WO (1) WO2014011089A1 (pt)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI127009B (fi) * 2014-03-27 2017-09-15 Andritz Oy Lipeäsuodin ja menetelmä lipeäsuotimen yhteydessä
SE540553C2 (en) * 2017-04-07 2018-09-25 Valmet Oy Pressurized disc filter for causticization liquors containing lime mud
US11000791B2 (en) * 2019-03-06 2021-05-11 Veolia Water Solutions & Technologies Support Rotary disc filter having backwash guides

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04134426U (ja) * 1991-05-31 1992-12-15 住友重機械工業株式会社 加圧デイスクフイルタ装置
FI91938C (fi) * 1993-02-09 1994-09-12 Ahlstroem Oy Laite massan käsittelemiseksi
JP2584946B2 (ja) * 1993-10-14 1997-02-26 住友重機械工業株式会社 加圧型ディスクフィルタ装置
SE526706C2 (sv) * 2004-04-16 2005-10-25 Kvaerner Pulping Tech Förfarande och anordning för tvätt av mesa
SE0401358L (sv) * 2004-05-26 2005-02-22 Kvaerner Pulping Tech Förfarande och anordning för rengöring av filter
FI20041518A (fi) * 2004-11-25 2006-05-26 Andritz Oy Menetelmä ja laite meesan käsittelemiseksi
SE530768C2 (sv) * 2007-12-06 2008-09-09 Metso Fiber Karlstad Ab System för mottagning och transport av mesa från ett vitlutsfilter
WO2011078749A1 (en) 2009-12-23 2011-06-30 Metso Paper Sweden Ab Method and system for washing lime mud
DE102010043900A1 (de) * 2010-11-15 2012-05-16 Voith Patent Gmbh Scheibenfilter

Also Published As

Publication number Publication date
CN104471147B (zh) 2016-07-06
US10011947B2 (en) 2018-07-03
WO2014011089A1 (en) 2014-01-16
CA2878228A1 (en) 2014-01-16
JP6298813B2 (ja) 2018-03-20
US20150225895A1 (en) 2015-08-13
FI20146154A (fi) 2014-12-29
CN104471147A (zh) 2015-03-25
BR112015000377B1 (pt) 2020-12-08
JP2015527502A (ja) 2015-09-17

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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]
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 09/07/2012, OBSERVADAS AS CONDICOES LEGAIS.

B21F Lapse acc. art. 78, item iv - on non-payment of the annual fees in time

Free format text: REFERENTE A 10A ANUIDADE.

B24J Lapse because of non-payment of annual fees (definitively: art 78 iv lpi, resolution 113/2013 art. 12)

Free format text: EM VIRTUDE DA EXTINCAO PUBLICADA NA RPI 2678 DE 03-05-2022 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDA A EXTINCAO DA PATENTE E SEUS CERTIFICADOS, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.