ATE158035T1 - Verfahren zur rückgewinnung von energie und chemikalien aus cellulosischen ablaugen - Google Patents

Verfahren zur rückgewinnung von energie und chemikalien aus cellulosischen ablaugen

Info

Publication number
ATE158035T1
ATE158035T1 AT94905888T AT94905888T ATE158035T1 AT E158035 T1 ATE158035 T1 AT E158035T1 AT 94905888 T AT94905888 T AT 94905888T AT 94905888 T AT94905888 T AT 94905888T AT E158035 T1 ATE158035 T1 AT E158035T1
Authority
AT
Austria
Prior art keywords
cooking liquor
reactor
pct
withdrawn
separated
Prior art date
Application number
AT94905888T
Other languages
English (en)
Inventor
Lars Stigsson
Ake Backlund
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Application granted granted Critical
Publication of ATE158035T1 publication Critical patent/ATE158035T1/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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
    • 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
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

Landscapes

  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT94905888T 1993-01-25 1994-01-18 Verfahren zur rückgewinnung von energie und chemikalien aus cellulosischen ablaugen ATE158035T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9300199A SE9300199L (sv) 1993-01-25 1993-01-25 Metod vid återvinning av cellulosaavlutar

Publications (1)

Publication Number Publication Date
ATE158035T1 true ATE158035T1 (de) 1997-09-15

Family

ID=20388636

Family Applications (1)

Application Number Title Priority Date Filing Date
AT94905888T ATE158035T1 (de) 1993-01-25 1994-01-18 Verfahren zur rückgewinnung von energie und chemikalien aus cellulosischen ablaugen

Country Status (10)

Country Link
US (1) US5746886A (de)
EP (1) EP0680531B1 (de)
AT (1) ATE158035T1 (de)
AU (1) AU5981494A (de)
CA (1) CA2153983A1 (de)
DE (1) DE69405537T2 (de)
ES (1) ES2107186T3 (de)
FI (1) FI111389B (de)
SE (1) SE9300199L (de)
WO (1) WO1994017240A1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9300199L (sv) * 1993-01-25 1994-07-26 Kvaerner Pulping Tech Metod vid återvinning av cellulosaavlutar
US5715763A (en) * 1995-09-11 1998-02-10 The Mead Corporation Combustion system for a black liquor recovery boiler
FR2761088B1 (fr) * 1997-03-20 1999-05-28 Balcke Duerr Swenson Sa Procede de recuperation de sulfate de sodium a partir de particules solides issues de l'incineration des liqueurs noires de papeterie et installation correspondante
SE514813E (sv) * 1997-10-15 2005-02-02 Aga Ab Metod för förgasning av svartlut i sodapannor
FI112959B (fi) * 1999-11-03 2004-02-13 Metso Paper Inc Menetelmä paperitehtaan vesikiertojen järjestämiseksi
US20050076568A1 (en) * 2003-10-09 2005-04-14 Stigsson Lars Lennart Partial oxidation of cellulose spent pulping liquor
US8690977B2 (en) 2009-06-25 2014-04-08 Sustainable Waste Power Systems, Inc. Garbage in power out (GIPO) thermal conversion process

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3020195A (en) * 1960-02-29 1962-02-06 Glatfelter Co P H Production of potassium compounds
CA1109611A (en) * 1978-05-12 1981-09-29 Erco Envirotech Ltd. Potassium-based pulp mill process
SE448007B (sv) * 1983-04-21 1987-01-12 Skf Steel Eng Ab Forfarande och anordning for atervinning av kemikalier ur massaavlut
FI71541C (fi) * 1985-05-22 1987-01-19 Ahlstroem Oy Metod att tillvarataga alkalikemikalier ur en roekgas som innehaoller alkalimetallaongor.
CA1255058A (en) * 1985-05-28 1989-06-06 Gary B. Derdall Process for preparation of potassium salts from pulping of lignocellulosic materials
SE448173B (sv) * 1985-06-03 1987-01-26 Croon Inventor Ab Forfarande for utvinning av kemikalier fran cellulosaavlut genom pyrolys
SE464921B (sv) * 1987-06-25 1991-07-01 Skf Plasma Tech Saett att aatervinna kemikalier ur massaavlutar
SE465039B (sv) * 1989-11-23 1991-07-15 Chemrec Ab Saett att framstaella koklutar med hoeg sulfiditet foer sulfatmassakokning
SE9300199L (sv) * 1993-01-25 1994-07-26 Kvaerner Pulping Tech Metod vid återvinning av cellulosaavlutar

Also Published As

Publication number Publication date
AU5981494A (en) 1994-08-15
FI953539A0 (fi) 1995-07-24
EP0680531A1 (de) 1995-11-08
ES2107186T3 (es) 1997-11-16
FI111389B (fi) 2003-07-15
US5746886A (en) 1998-05-05
DE69405537D1 (de) 1997-10-16
FI953539A (fi) 1995-07-24
CA2153983A1 (en) 1994-08-04
DE69405537T2 (de) 1998-02-12
EP0680531B1 (de) 1997-09-10
WO1994017240A1 (en) 1994-08-04
SE9300199D0 (sv) 1993-01-25
SE9300199L (sv) 1994-07-26

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee