FI952700A0 - Förfarande för framställning av grönlut vid kemikalieåtervinnig i sulfat- och sulfitmassafabriker - Google Patents

Förfarande för framställning av grönlut vid kemikalieåtervinnig i sulfat- och sulfitmassafabriker

Info

Publication number
FI952700A0
FI952700A0 FI952700A FI952700A FI952700A0 FI 952700 A0 FI952700 A0 FI 952700A0 FI 952700 A FI952700 A FI 952700A FI 952700 A FI952700 A FI 952700A FI 952700 A0 FI952700 A0 FI 952700A0
Authority
FI
Finland
Prior art keywords
liquor
combustion
smelt
pct
calcium
Prior art date
Application number
FI952700A
Other languages
English (en)
Finnish (fi)
Other versions
FI110129B (sv
FI952700A (sv
Inventor
Jan Georg Liden
Leif Ingemar Andersson
Original Assignee
Mo Och Domsjoe 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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of FI952700A0 publication Critical patent/FI952700A0/sv
Publication of FI952700A publication Critical patent/FI952700A/sv
Application granted granted Critical
Publication of FI110129B publication Critical patent/FI110129B/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
    • 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
    • D21C11/0085—Introduction of auxiliary substances into the regenerating system in order to improve the performance of certain steps of the latter, the presence of these substances being confined to the regeneration cycle
    • 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
    • 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
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

Landscapes

  • Paper (AREA)
  • Fertilizers (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
FI952700A 1992-12-03 1995-06-02 Förfarande för framställning av grönlut vid kemikalieåtervinning i sulfat- och sulfitmassafabriker FI110129B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
SE9203634A SE500660C2 (sv) 1992-12-03 1992-12-03 Förfarande för framställning av grönlut vid kemikalieåtervinning i sulfat- och sulfitmassafabriker
SE9203634 1992-12-03
SE9301028 1993-11-29
PCT/SE1993/001028 WO1994012723A1 (en) 1992-12-03 1993-11-29 A method of producing green liquor in chemical recovery in sulfate and sulfite pulp mills

Publications (3)

Publication Number Publication Date
FI952700A0 true FI952700A0 (sv) 1995-06-02
FI952700A FI952700A (sv) 1995-06-02
FI110129B FI110129B (sv) 2002-11-29

Family

ID=20388008

Family Applications (1)

Application Number Title Priority Date Filing Date
FI952700A FI110129B (sv) 1992-12-03 1995-06-02 Förfarande för framställning av grönlut vid kemikalieåtervinning i sulfat- och sulfitmassafabriker

Country Status (13)

Country Link
US (1) US5628875A (sv)
EP (1) EP0672211B1 (sv)
JP (1) JP3278746B2 (sv)
AT (1) ATE141354T1 (sv)
AU (1) AU667612B2 (sv)
CA (1) CA2150243C (sv)
DE (1) DE69304082T2 (sv)
ES (1) ES2091127T3 (sv)
FI (1) FI110129B (sv)
NO (1) NO306566B1 (sv)
NZ (1) NZ258661A (sv)
SE (1) SE500660C2 (sv)
WO (1) WO1994012723A1 (sv)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9202419D0 (sv) * 1992-08-24 1992-08-24 Eka Nobel Ab Reduction of chloride in pulping chemical recovery systems
FI96879C (sv) * 1994-03-15 1999-07-14 Ahlstrom Machinery Oy Förfarande och anordning för behandling av grönlut
SE501877C2 (sv) * 1994-05-13 1995-06-12 Kvaerner Pulping Tech Förfarande för att fälla magnesium med aluminium vid grönlutsklarning
US5683993A (en) * 1995-06-22 1997-11-04 Ciba Vision Corporation Compositions and methods for stabilizing polymers
CN1225586C (zh) * 2002-02-09 2005-11-02 艾栋 改进的造纸黑液碱回收新工艺
SE524247C2 (sv) * 2002-11-25 2004-07-13 Kvaerner Pulping Tech Metod vid produktion av grönlut
US7735435B2 (en) * 2006-05-24 2010-06-15 Diamond Power International, Inc. Apparatus for cleaning a smelt spout of a combustion device
FI122237B (sv) * 2007-06-15 2011-10-31 Andritz Oy Förfarande för behandling av vätskeströmmar i cellulosafabriker
SE533833C2 (sv) * 2009-04-02 2011-02-01 Cleanflow Ab Metod och anordning för klarning av grönlut
CA2854292A1 (en) * 2011-11-04 2013-05-10 Valmet Ab Method for the causticizing process for producing white liquor
SE1751419A1 (en) 2017-11-17 2019-04-23 Valmet Oy Green liquor clarification using sedimentation tank during white liquor preparation
FI129877B (sv) * 2018-02-16 2022-10-14 Upm Kymmene Corp Förfarande för behandling av kalciumhaltigt fast sidoströmsmaterial
FI130092B (sv) 2019-08-22 2023-01-31 Valmet Technologies Oy Förfarande och system för reglering av pH i grönlutslam

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3366535A (en) * 1966-07-11 1968-01-30 William T Neiman Process for regenerating waste liquor for reuse in kraft pulping operation
SE456254B (sv) * 1987-02-12 1988-09-19 Korsnes Ab Sett att rena gronlut i sulfatmassafabrikers kemikalieatervinning
SE467465C (sv) * 1990-11-21 2002-01-15 Caustec Ab Förfarande för att ge grönlut förbättrade sedimenterings- och filtreringsegenskaper
SE505270C2 (sv) * 1993-06-04 1997-07-28 Korsnaes Ab Svartlutsförbränning med mesatillsats

Also Published As

Publication number Publication date
DE69304082T2 (de) 1997-03-06
EP0672211A1 (en) 1995-09-20
SE9203634D0 (sv) 1992-12-03
EP0672211B1 (en) 1996-08-14
JPH08504006A (ja) 1996-04-30
ES2091127T3 (es) 1996-10-16
AU667612B2 (en) 1996-03-28
NO952216D0 (no) 1995-06-02
CA2150243C (en) 2006-01-31
NO952216L (no) 1995-06-02
CA2150243A1 (en) 1994-06-09
FI110129B (sv) 2002-11-29
ATE141354T1 (de) 1996-08-15
AU5662394A (en) 1994-06-22
NZ258661A (en) 1996-06-25
DE69304082D1 (de) 1996-09-19
SE500660C2 (sv) 1994-08-01
SE9203634L (sv) 1994-06-04
WO1994012723A1 (en) 1994-06-09
FI952700A (sv) 1995-06-02
NO306566B1 (no) 1999-11-22
JP3278746B2 (ja) 2002-04-30
US5628875A (en) 1997-05-13

Similar Documents

Publication Publication Date Title
FI952700A0 (sv) Förfarande för framställning av grönlut vid kemikalieåtervinnig i sulfat- och sulfitmassafabriker
DE2219504C2 (de) Mehrstufenbleiche von Zellstoffen mit erheblich reduziertem Chloreinsatz
US4196043A (en) Kraft pulp bleaching and recovery process
ATE81689T1 (de) Verfahren zur reinigung der gruenlauge in sulfatpulpemuehlen.
ATE87283T1 (de) Verminderung der halogenierten organischen verbindungen in den bleichereiabwaessern.
SE9702152L (sv) Minimering av övergångsmetalljoner vid kemisk tillverkning av massa
JPS6146595B2 (sv)
US2898994A (en) Method of making paper pulp
ATE28093T1 (de) Behandlung der in den kaustifizierungszyklus des kraftverfahrens eintretenden laugen im hinblick auf eine weitere verwendung des calciumcarbonats.
US2731345A (en) Process of making alpha cellulose from fibrous ligno-cellulose materials, particularly from bagasse
US3003908A (en) Processes of preparing cooking liquor for neutral sulphite digestion of cellulosic material
CN106977625A (zh) 一种肝素钠脱色方法
DE2757474C3 (de) Verfahren zur Herstellung von gebleichter Cellulosefaserpulpe
Andersson Method for clarifying green liquor by monitoring the calcium concentration in the spent liquor prior to or at combustions
SE9102693D0 (sv) Foerfarande foer ozonblekning av massa
SE7901248L (sv) Sett for behandling av avloppsvatten fran massablekerier
SU1109057A3 (ru) Способ получени целлюлозы
CS216187B2 (en) Method of production of the magnesium-sulphite cellulose
SU597767A1 (ru) Состав дл отбелки целлюлозосодержащих волокнистых полуфабрикатов
US1678230A (en) Process for the production of high-alpha-cellulose fiber
DE2450613C3 (de) Verfahren zur Rückgewinnung von Natriumhydroxid aus der Abfallflüssigkeit eines Zellstoffaufschluß- oder Bleichverfahrens
SE9301921L (sv) Framställning av vitlut med förhöjd och/eller minskad sulfiditet
SU142837A1 (ru) Содово-известковый способ получени хлорат-хлорид-кальциевого дефолианта (ХХКД)
JPH09158073A (ja) 蒸解助剤、蒸解液及びパルプの製造方法
EP0807606A1 (de) Verfahren zur Aufbereitung photographischer Bäder aus Color-Prozessen

Legal Events

Date Code Title Description
MA Patent expired