ATE387536T1 - Verfahren zur abtrennung der alkalimetalle aus vergaster schwarzlauge - Google Patents

Verfahren zur abtrennung der alkalimetalle aus vergaster schwarzlauge

Info

Publication number
ATE387536T1
ATE387536T1 AT98919692T AT98919692T ATE387536T1 AT E387536 T1 ATE387536 T1 AT E387536T1 AT 98919692 T AT98919692 T AT 98919692T AT 98919692 T AT98919692 T AT 98919692T AT E387536 T1 ATE387536 T1 AT E387536T1
Authority
AT
Austria
Prior art keywords
gas
carifified
black liquid
alkaline metals
superheated
Prior art date
Application number
AT98919692T
Other languages
English (en)
Inventor
Bengt Nilsson
Original Assignee
Chemrec 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 Chemrec Ab filed Critical Chemrec Ab
Application granted granted Critical
Publication of ATE387536T1 publication Critical patent/ATE387536T1/de

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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
    • 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
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds
    • D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
    • D21C11/066—Separation of solid compounds from these gases; further treatment of recovered products

Landscapes

  • Paper (AREA)
  • Manufacture And Refinement Of Metals (AREA)
  • Treating Waste Gases (AREA)
AT98919692T 1997-04-24 1998-04-07 Verfahren zur abtrennung der alkalimetalle aus vergaster schwarzlauge ATE387536T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9701546A SE9701546D0 (sv) 1997-04-24 1997-04-24 New process

Publications (1)

Publication Number Publication Date
ATE387536T1 true ATE387536T1 (de) 2008-03-15

Family

ID=20406712

Family Applications (1)

Application Number Title Priority Date Filing Date
AT98919692T ATE387536T1 (de) 1997-04-24 1998-04-07 Verfahren zur abtrennung der alkalimetalle aus vergaster schwarzlauge

Country Status (5)

Country Link
EP (1) EP0977919B1 (de)
AT (1) ATE387536T1 (de)
DE (1) DE69839182T2 (de)
SE (1) SE9701546D0 (de)
WO (1) WO1998048102A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514277C2 (sv) 1999-06-07 2001-02-05 Kvaerner Chemrec Ab Anordning för förgasning av avlut

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE448173B (sv) * 1985-06-03 1987-01-26 Croon Inventor Ab Forfarande for utvinning av kemikalier fran cellulosaavlut genom pyrolys
SE9001957L (sv) * 1990-05-31 1991-12-01 Chemrec Ab Rening av processgas fraan partiell foerbraenning av svartlut
SE470516B (sv) * 1992-11-05 1994-06-27 Chemrec Ab Rening av gas från svartlutsförgasning
SE502038C2 (sv) * 1994-06-22 1995-07-24 Kvaerner Pulping Tech Förfarande för tvättning och kylning av gaser vid förgasning av svartlut

Also Published As

Publication number Publication date
EP0977919B1 (de) 2008-02-27
DE69839182T2 (de) 2009-02-19
WO1998048102A1 (en) 1998-10-29
EP0977919A1 (de) 2000-02-09
SE9701546D0 (sv) 1997-04-24
DE69839182D1 (de) 2008-04-10

Similar Documents

Publication Publication Date Title
AU600756B2 (en) Improved process for the bleaching of cellulosic pulps using hydrogen peroxide
FI974455A0 (fi) Foerfarande foer produktion av foerrenad massa
US4360402A (en) Process and apparatus for preparing waste paper for reuse
WO1999035505A3 (en) Method for removing accumulated solder from probe card probing features
NO306057B1 (no) Råmaterialbrikett for fremstilling av mineralull, fremgangsmåte ved fremstilling av denne, samt en fremgangsmåte ved fremstilling av mineralull
PH31648A (en) Process for producing a high density detergent composition having improved solubility by agglomeration of anionic surfactants and an agglomerating agent.
ATE387536T1 (de) Verfahren zur abtrennung der alkalimetalle aus vergaster schwarzlauge
BR9611243A (pt) Processo de deslignificação a oxigênio de polpa proveniente de material lignocelulósico em concentração média em dois estágios
ATE76079T1 (de) Verfahren zur gewinnung von lignin aus alkalischen lignin-loesungen.
DE69601194T2 (de) Verfahren zum Deinken von Altpapier
CA1079010A (en) Process for preventing the separation of resins in paper making
EP1075563A4 (de) Verfahren zur entfernung von wachs aus zellstoff
SE9702152L (sv) Minimering av övergångsmetalljoner vid kemisk tillverkning av massa
ATE150814T1 (de) Verfahren zum trennen von natriumhydroxyd aus weisslauge
SE9403779D0 (sv) Sätt vid blekning av lignocellulosahaltig massa
DE59701410D1 (de) Verfahren zur erzeugung eines metallurgischen rohstoffs aus schwermetallhaltigem öl
AU3884595A (en) Selective recovery of chemicals from cellulose spent liquor by liquor gasifying
SE9603783L (sv) Utvinning av värdefulla kemikalier från svartlut
FI66032B (fi) Foerfarande vid delignifiering av cellulosamassa
KR870002128B1 (ko) 합성수지 피막폐지의 재생방법
UST103501I4 (en) Dewatering of flue gas desulfurization sulfite solids
DE2909409A1 (de) Verfahren zur herstellung von magnesiumsulfitzellstoff
EP0920551B1 (de) Verfahren zum agglomerieren von klebenden verunreinigungen aus altpapier-suspensionen
SE9604469D0 (sv) Alkaline treatment for metal ion removal during pulp bleaching
SE9403780L (sv) Återvinning av blekerifiltrat genom att filtratet används i ett gaskylsystem i en förgasningsanläggning

Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification

Ref document number: 0977919

Country of ref document: EP