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SE8305751L - Sett att atervinna kemikalier fran kloridhaltig gronlut - Google Patents

Sett att atervinna kemikalier fran kloridhaltig gronlut

Info

Publication number
SE8305751L
SE8305751L SE8305751A SE8305751A SE8305751L SE 8305751 L SE8305751 L SE 8305751L SE 8305751 A SE8305751 A SE 8305751A SE 8305751 A SE8305751 A SE 8305751A SE 8305751 L SE8305751 L SE 8305751L
Authority
SE
Sweden
Prior art keywords
chloride
hydrogen sulfide
solution
soda
order
Prior art date
Application number
SE8305751A
Other languages
English (en)
Other versions
SE462718B (sv
SE8305751D0 (sv
Inventor
P K Rimpi
Original Assignee
Tampella Oy Ab
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 Tampella Oy Ab filed Critical Tampella Oy Ab
Publication of SE8305751D0 publication Critical patent/SE8305751D0/sv
Publication of SE8305751L publication Critical patent/SE8305751L/sv
Publication of SE462718B publication Critical patent/SE462718B/sv

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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/08—Chlorine-containing liquid regeneration

Landscapes

  • Treating Waste Gases (AREA)
  • Gas Separation By Absorption (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Inorganic Compounds Of Heavy Metals (AREA)
SE8305751A 1982-10-20 1983-10-19 Saett att aatervinna kemikalier fraan kloridhaltig groenlut SE462718B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI823587A FI67732C (fi) 1982-10-20 1982-10-20 Saett att aotervinna kemikalier fraon kloridhaltig groenlut

Publications (3)

Publication Number Publication Date
SE8305751D0 SE8305751D0 (sv) 1983-10-19
SE8305751L true SE8305751L (sv) 1984-04-21
SE462718B SE462718B (sv) 1990-08-20

Family

ID=8516185

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8305751A SE462718B (sv) 1982-10-20 1983-10-19 Saett att aatervinna kemikalier fraan kloridhaltig groenlut

Country Status (9)

Country Link
US (1) US4561934A (sv)
JP (1) JPS5994694A (sv)
CA (1) CA1213703A (sv)
CS (1) CS251768B2 (sv)
FI (1) FI67732C (sv)
NO (1) NO833815L (sv)
SE (1) SE462718B (sv)
SU (1) SU1303040A3 (sv)
ZA (1) ZA837742B (sv)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI77064C (sv) * 1985-04-29 1989-01-10 Tampella Oy Ab Förfarande för kokning och blekning av cellulosa
US5635024A (en) * 1993-08-20 1997-06-03 Bountiful Applied Research Corporation Process for separating lignins and dissolved organic compounds from kraft spent liquor
SE9400383L (sv) * 1994-02-07 1995-08-08 Kvaerner Pulping Tech Sätt att rena en sulfidhaltig alkalisk lut från klorid
WO2009021216A2 (en) * 2007-08-08 2009-02-12 Bountiful Applied Research Corp. Lignin dewatering process
AT514010B1 (de) * 2013-02-26 2015-02-15 Mondi Ag Verfahren zur Kaustifizierung von Grünlauge

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1692877C3 (de) * 1965-11-24 1975-10-02 Oy Tampella Ab, Tampere (Finnland) Verfahren und Vorrichtung zum Aufarbeiten von wässrigen Sulfidlösungen, insbesondere von bei der alkalischen Sulfatcellulose-Gewinnung anfallenden natriumsulfidhaltigen Grünlaugen
DE1692878C3 (de) * 1966-05-25 1974-04-04 Oy Tampella Ab, Heinola (Finnland) Verfahren/um Auskristallisieren von Alkali als Karbonat aus der bei der Zellstoffablaugen-Aufarbeitung anfallenden Schmelz lösung
US3841962A (en) * 1972-07-31 1974-10-15 Mac Millan Bloedel Ltd Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes
JPS503801A (sv) * 1973-05-21 1975-01-16
FI49737C (sv) * 1973-11-28 1975-09-10 Tampella Oy Ab Förfarande för avskiljande av svavel i form av svavelväte från klarnad grönlut erhållen från avlutbränning.
FI53728C (fi) * 1974-03-12 1978-07-10 Ahlstroem Oy Foerfarande foer aotervinning av kemikalier ur avlutar fraon sulfatcellulosakok och avfallsvatten fraon blekning
ZA762995B (en) * 1976-05-19 1977-07-27 Sappi Ltd Improvements relating to recovery of chemicals
JPS5310374A (en) * 1976-07-15 1978-01-30 Ebara Corp Removing method for hydrogen sulfide and sulfur dioxide contained in exhaust gas
US4184121A (en) * 1976-08-30 1980-01-15 Zenith Radio Corporation Wide window tuning system
SE434860B (sv) * 1976-11-15 1984-08-20 Mo Och Domsjoe Ab Forfarande for utstotning av klorider ur kemikalieatervinningssystem vid natriumbaserade massaframstellningsprocesser
FI54946C (fi) * 1977-09-05 1979-04-10 Tampella Oy Ab Saett och anordning foer aotervinning av natriumkemikalier fraon groenlut samt roekgaser
US4288286A (en) * 1978-12-08 1981-09-08 Hooker Chemicals & Plastics Corp. Kraft mill recycle process

Also Published As

Publication number Publication date
JPH0240792B2 (sv) 1990-09-13
FI67732B (fi) 1985-01-31
FI823587L (fi) 1984-04-21
FI67732C (fi) 1985-05-10
SE462718B (sv) 1990-08-20
CS762283A2 (en) 1986-12-18
CS251768B2 (en) 1987-08-13
JPS5994694A (ja) 1984-05-31
SU1303040A3 (ru) 1987-04-07
CA1213703A (en) 1986-11-12
ZA837742B (en) 1984-06-27
US4561934A (en) 1985-12-31
SE8305751D0 (sv) 1983-10-19
FI823587A0 (fi) 1982-10-20
NO833815L (no) 1984-04-24

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