FI67732C - Saett att aotervinna kemikalier fraon kloridhaltig groenlut - Google Patents

Saett att aotervinna kemikalier fraon kloridhaltig groenlut Download PDF

Info

Publication number
FI67732C
FI67732C FI823587A FI823587A FI67732C FI 67732 C FI67732 C FI 67732C FI 823587 A FI823587 A FI 823587A FI 823587 A FI823587 A FI 823587A FI 67732 C FI67732 C FI 67732C
Authority
FI
Finland
Prior art keywords
solution
kmol
hydrogen sulfide
gases
soda
Prior art date
Application number
FI823587A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI823587A0 (fi
FI823587L (fi
FI67732B (fi
Inventor
Pertti Kalevi 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 FI823587A0 publication Critical patent/FI823587A0/fi
Priority to FI823587A priority Critical patent/FI67732C/fi
Priority to US06/536,640 priority patent/US4561934A/en
Priority to CA000439068A priority patent/CA1213703A/en
Priority to CS837622A priority patent/CS251768B2/cs
Priority to ZA837742A priority patent/ZA837742B/xx
Priority to SE8305751A priority patent/SE462718B/sv
Priority to SU833657404A priority patent/SU1303040A3/ru
Priority to NO833815A priority patent/NO833815L/no
Priority to JP58195375A priority patent/JPS5994694A/ja
Publication of FI823587L publication Critical patent/FI823587L/fi
Application granted granted Critical
Publication of FI67732B publication Critical patent/FI67732B/fi
Publication of FI67732C publication Critical patent/FI67732C/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
    • 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)
FI823587A 1982-10-20 1982-10-20 Saett att aotervinna kemikalier fraon kloridhaltig groenlut FI67732C (fi)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FI823587A FI67732C (fi) 1982-10-20 1982-10-20 Saett att aotervinna kemikalier fraon kloridhaltig groenlut
US06/536,640 US4561934A (en) 1982-10-20 1983-09-28 Method of recovering chemicals from chloride-containing green liquor
CA000439068A CA1213703A (en) 1982-10-20 1983-10-14 Method of recovering chemicals from chloride- containing green liquor
ZA837742A ZA837742B (en) 1982-10-20 1983-10-18 A method of recovering chemicals from chloride-containing green liquor
CS837622A CS251768B2 (en) 1982-10-20 1983-10-18 Method of chemical compounds recovery from green liquor containing chlorides
SE8305751A SE462718B (sv) 1982-10-20 1983-10-19 Saett att aatervinna kemikalier fraan kloridhaltig groenlut
SU833657404A SU1303040A3 (ru) 1982-10-20 1983-10-19 Способ извлечени химических веществ из содержащего хлориды зеленого щелока
NO833815A NO833815L (no) 1982-10-20 1983-10-19 Fremgangsmaate ved utvinning av kjemikalier fra kloridholdig groennlut.
JP58195375A JPS5994694A (ja) 1982-10-20 1983-10-20 塩化物含有緑液から化学薬品を回収する方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI823587A FI67732C (fi) 1982-10-20 1982-10-20 Saett att aotervinna kemikalier fraon kloridhaltig groenlut
FI823587 1982-10-20

Publications (4)

Publication Number Publication Date
FI823587A0 FI823587A0 (fi) 1982-10-20
FI823587L FI823587L (fi) 1984-04-21
FI67732B FI67732B (fi) 1985-01-31
FI67732C true FI67732C (fi) 1985-05-10

Family

ID=8516185

Family Applications (1)

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

Country Status (9)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI77064C (fi) * 1985-04-29 1989-01-10 Tampella Oy Ab Foerfarande foer 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 (no) * 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

Also Published As

Publication number Publication date
FI823587A0 (fi) 1982-10-20
CS762283A2 (en) 1986-12-18
FI823587L (fi) 1984-04-21
CA1213703A (en) 1986-11-12
US4561934A (en) 1985-12-31
NO833815L (no) 1984-04-24
SU1303040A3 (ru) 1987-04-07
SE8305751L (sv) 1984-04-21
JPS5994694A (ja) 1984-05-31
CS251768B2 (en) 1987-08-13
JPH0240792B2 (no) 1990-09-13
ZA837742B (en) 1984-06-27
SE8305751D0 (sv) 1983-10-19
FI67732B (fi) 1985-01-31
SE462718B (sv) 1990-08-20

Similar Documents

Publication Publication Date Title
EP0688374B1 (en) A method of separating sulphur compounds
FI67732C (fi) Saett att aotervinna kemikalier fraon kloridhaltig groenlut
CN107660245B (zh) 从具有高碳酸盐含量的溶解的灰分回收制浆化学物质的方法
CA2171342A1 (en) Method and apparatus for absorbing hydrogen sulphide
US4093508A (en) Process for recovering chemicals from the waste liquors of sulfate cellulose digestion and the waste waters of bleaching
US4799994A (en) Process for cooking and bleaching pulp
CA1089162A (en) Fluidized bed treatment of kraft black liquor with h.sub.2s absorption
US5366716A (en) Method for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill
US3525666A (en) Process for preparing kraft pulping liquor from black liquor including separate carbonation with combustion gases and evaporation steps
CA1097464A (en) Process for maintaining a low sodium chloride content in recycled sodium chemicals of sodium-based pulp manufacturing processes
CA2160008C (en) Process for converting sodium sulphate
FI71541B (fi) Metod att tillvarataga alkalikemikalier ur en roekgas som innehaoller alkalimetallaongor
CA2202753A1 (en) Selective recovery of chemicals from cellulose spent liquor by liquor gasifying
FI65454C (fi) Saett att aotervinna natriumkemikalier fraon groenlut samt roekgaser
US2730445A (en) Integrated lignocellulose digestion and recovery process
FI89518B (fi) Foerfarande foer aotervinning av svavel och alkali
JPS62162606A (ja) アルカリ硫黄化合物の熱分解処理方法
FI104334B (fi) Menetelmä kemikaalin talteenottamiseksi
FI61214B (fi) Aotervinningsfoerfarande foer kokkemikalier
SU1228792A3 (ru) Способ регенерации тепла отход щих газов от сжигани отработанного щелока варки целлюлозы на натриевом основании
CA1075859A (en) Process for recovering chemicals from the waste liquors of sulfate cellulose digestion and the waste waters of bleaching
JPH06173184A (ja) 緑液結晶化

Legal Events

Date Code Title Description
PC Transfer of assignment of patent

Owner name: KVAERNER PULPING OY

MA Patent expired

Owner name: KVAERNER PULPING OY