ZA837742B - A method of recovering chemicals from chloride-containing green liquor - Google Patents

A method of recovering chemicals from chloride-containing green liquor

Info

Publication number
ZA837742B
ZA837742B ZA837742A ZA837742A ZA837742B ZA 837742 B ZA837742 B ZA 837742B ZA 837742 A ZA837742 A ZA 837742A ZA 837742 A ZA837742 A ZA 837742A ZA 837742 B ZA837742 B ZA 837742B
Authority
ZA
South Africa
Prior art keywords
chloride
green liquor
containing green
recovering chemicals
recovering
Prior art date
Application number
ZA837742A
Other languages
English (en)
Inventor
Kalevi Rimpi Pertti
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 ZA837742B publication Critical patent/ZA837742B/xx

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
ZA837742A 1982-10-20 1983-10-18 A method of recovering chemicals from chloride-containing green liquor ZA837742B (en)

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 (1)

Publication Number Publication Date
ZA837742B true ZA837742B (en) 1984-06-27

Family

ID=8516185

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA837742A ZA837742B (en) 1982-10-20 1983-10-18 A method of recovering chemicals from chloride-containing green liquor

Country Status (9)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3613959A1 (de) * 1985-04-29 1986-10-30 Tampella Oy Ab Zellstoffkoch- und -bleichverfahren

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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 (h) * 1973-05-21 1975-01-16
FI49737C (fi) * 1973-11-28 1975-09-10 Tampella Oy Ab Menetelmä rikin erottamiseksi rikkivetynä jätelipeän poltosta saadusta selkeytetystä viherlipeästä.
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3613959A1 (de) * 1985-04-29 1986-10-30 Tampella Oy Ab Zellstoffkoch- und -bleichverfahren
DE3613959C2 (h) * 1985-04-29 1990-03-29 Oy Tampella Ab, Tampere, Fi

Also Published As

Publication number Publication date
JPH0240792B2 (h) 1990-09-13
US4561934A (en) 1985-12-31
FI67732C (fi) 1985-05-10
SE8305751L (sv) 1984-04-21
FI67732B (fi) 1985-01-31
SE462718B (sv) 1990-08-20
CS762283A2 (en) 1986-12-18
FI823587L (fi) 1984-04-21
NO833815L (no) 1984-04-24
CA1213703A (en) 1986-11-12
JPS5994694A (ja) 1984-05-31
SE8305751D0 (sv) 1983-10-19
FI823587A0 (fi) 1982-10-20
SU1303040A3 (ru) 1987-04-07
CS251768B2 (en) 1987-08-13

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