FI20146154A - Menetelmä ja laite joilla saadaan vahva valkolipeä ja meesa alhaisella jäännösalkalitasolla - Google Patents

Menetelmä ja laite joilla saadaan vahva valkolipeä ja meesa alhaisella jäännösalkalitasolla Download PDF

Info

Publication number
FI20146154A
FI20146154A FI20146154A FI20146154A FI20146154A FI 20146154 A FI20146154 A FI 20146154A FI 20146154 A FI20146154 A FI 20146154A FI 20146154 A FI20146154 A FI 20146154A FI 20146154 A FI20146154 A FI 20146154A
Authority
FI
Finland
Prior art keywords
lime
low residual
white liquor
residual alkali
strong white
Prior art date
Application number
FI20146154A
Other languages
English (en)
Swedish (sv)
Inventor
Magnus Ingelman
Eva Hogebrandt
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 FI20146154A publication Critical patent/FI20146154A/fi

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)
  • Treatment Of Sludge (AREA)
  • Removal Of Specific Substances (AREA)
FI20146154A 2012-07-09 2014-12-29 Menetelmä ja laite joilla saadaan vahva valkolipeä ja meesa alhaisella jäännösalkalitasolla FI20146154A (fi)

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 (1)

Publication Number Publication Date
FI20146154A true FI20146154A (fi) 2014-12-29

Family

ID=49916387

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20146154A FI20146154A (fi) 2012-07-09 2014-12-29 Menetelmä ja laite joilla saadaan vahva valkolipeä ja meesa alhaisella jäännösalkalitasolla

Country Status (7)

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

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
WO2014011089A1 (en) 2014-01-16
US20150225895A1 (en) 2015-08-13
BR112015000377B1 (pt) 2020-12-08
CN104471147B (zh) 2016-07-06
US10011947B2 (en) 2018-07-03
JP2015527502A (ja) 2015-09-17
JP6298813B2 (ja) 2018-03-20
BR112015000377A2 (pt) 2017-06-27
CN104471147A (zh) 2015-03-25
CA2878228A1 (en) 2014-01-16

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