DE69839182D1 - Verfahren zur abtrennung der alkalimetalle aus vergaster schwarzlauge - Google Patents

Verfahren zur abtrennung der alkalimetalle aus vergaster schwarzlauge

Info

Publication number
DE69839182D1
DE69839182D1 DE69839182T DE69839182T DE69839182D1 DE 69839182 D1 DE69839182 D1 DE 69839182D1 DE 69839182 T DE69839182 T DE 69839182T DE 69839182 T DE69839182 T DE 69839182T DE 69839182 D1 DE69839182 D1 DE 69839182D1
Authority
DE
Germany
Prior art keywords
gas
separating
alkalimetals
carburized
black liquid
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69839182T
Other languages
English (en)
Other versions
DE69839182T2 (de
Inventor
Bengt Nilsson
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chemrec AB
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 DE69839182D1 publication Critical patent/DE69839182D1/de
Publication of DE69839182T2 publication Critical patent/DE69839182T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
DE69839182T 1997-04-24 1998-04-07 Verfahren zur abtrennung der alkalimetalle aus vergaster schwarzlauge Expired - Lifetime DE69839182T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9701546 1997-04-24
SE9701546A SE9701546D0 (sv) 1997-04-24 1997-04-24 New process
PCT/SE1998/000637 WO1998048102A1 (en) 1997-04-24 1998-04-07 Separating alkali metals from gasified black liquor

Publications (2)

Publication Number Publication Date
DE69839182D1 true DE69839182D1 (de) 2008-04-10
DE69839182T2 DE69839182T2 (de) 2009-02-19

Family

ID=20406712

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69839182T Expired - Lifetime DE69839182T2 (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
SE9402197L (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
EP0977919A1 (de) 2000-02-09
WO1998048102A1 (en) 1998-10-29
SE9701546D0 (sv) 1997-04-24
ATE387536T1 (de) 2008-03-15

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition