[go: up one dir, main page]
More Web Proxy on the site http://driver.im/

NO833815L - Fremgangsmaate ved utvinning av kjemikalier fra kloridholdig groennlut. - Google Patents

Fremgangsmaate ved utvinning av kjemikalier fra kloridholdig groennlut.

Info

Publication number
NO833815L
NO833815L NO833815A NO833815A NO833815L NO 833815 L NO833815 L NO 833815L NO 833815 A NO833815 A NO 833815A NO 833815 A NO833815 A NO 833815A NO 833815 L NO833815 L NO 833815L
Authority
NO
Norway
Prior art keywords
solution
kmol
hour
hydrogen sulphide
separation
Prior art date
Application number
NO833815A
Other languages
English (en)
Norwegian (no)
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 NO833815L publication Critical patent/NO833815L/no

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0071Treatment 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
    • YGENERAL 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
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00Paper making and fiber liberation
    • Y10S162/08Chlorine-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)
NO833815A 1982-10-20 1983-10-19 Fremgangsmaate ved utvinning av kjemikalier fra kloridholdig groennlut. NO833815L (no)

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
NO833815L true NO833815L (no) 1984-04-24

Family

ID=8516185

Family Applications (1)

Application Number Title Priority Date Filing Date
NO833815A NO833815L (no) 1982-10-20 1983-10-19 Fremgangsmaate ved utvinning av kjemikalier fra kloridholdig groennlut.

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
SE8305751L (sv) 1984-04-21
SE8305751D0 (sv) 1983-10-19
FI823587A0 (fi) 1982-10-20

Similar Documents

Publication Publication Date Title
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
NO833815L (no) Fremgangsmaate ved utvinning av kjemikalier fra kloridholdig groennlut.
US3650888A (en) Pollution controlled polysulfide recovery process
US4799994A (en) Process for cooking and bleaching pulp
US5366716A (en) Method for recovering sulphur dioxide from the chemical circulation of a sulphate pulp mill
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
US2496550A (en) Methods of recovering chemicals in
NO150089B (no) Innretning til gjenvinning av natriumkjemikalier fra groennlut og roekgasser.
PT100100B (pt) Processo para recuperar energia e produtos quimicos a partir de licor negro
FI71541C (sv) Metod att tillvarataga alkalikemikalier ur en rökgas som innehåller a lkalimetallångor.
CA2202753A1 (en) Selective recovery of chemicals from cellulose spent liquor by liquor gasifying
SU1228792A3 (ru) Способ регенерации тепла отход щих газов от сжигани отработанного щелока варки целлюлозы на натриевом основании
FI89518B (fi) Foerfarande foer aotervinning av svavel och alkali
US2730445A (en) Integrated lignocellulose digestion and recovery process
FI65454C (fi) Saett att aotervinna natriumkemikalier fraon groenlut samt roekgaser
FI20227041A1 (sv) Förfarande för regenerering av kemikalier samt produktion av el, värme och kolväte från avlut från tillverkningen av cellulosa och kemimekanisk massa
JPS62162606A (ja) アルカリ硫黄化合物の熱分解処理方法
SU1707117A1 (ru) Способ выделени сероводорода из зеленого щелока целлюлозного производства
NO151124B (no) Fremgangsmaate til gjenvinning av magnesiumbisulfitt
LARSSON et al. Other Classes
NO762515L (no) Fremgangsm}te ved massekoking.
NO117827B (sv)