SE9402197D0 - Förfarande för utvinning av kemikalier från cellulosaavlut - Google Patents

Förfarande för utvinning av kemikalier från cellulosaavlut

Info

Publication number
SE9402197D0
SE9402197D0 SE9402197A SE9402197A SE9402197D0 SE 9402197 D0 SE9402197 D0 SE 9402197D0 SE 9402197 A SE9402197 A SE 9402197A SE 9402197 A SE9402197 A SE 9402197A SE 9402197 D0 SE9402197 D0 SE 9402197D0
Authority
SE
Sweden
Prior art keywords
gas
stage
liquid bath
smelt
contact
Prior art date
Application number
SE9402197A
Other languages
English (en)
Other versions
SE9402197L (sv
SE502038C2 (sv
Inventor
Bengt Nilsson
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
Priority to SE9402197A priority Critical patent/SE502038C2/sv
Publication of SE9402197D0 publication Critical patent/SE9402197D0/sv
Priority to AU28112/95A priority patent/AU2811295A/en
Priority to CA002193516A priority patent/CA2193516C/en
Priority to BR9508080A priority patent/BR9508080A/pt
Priority to JP8502006A priority patent/JPH10504607A/ja
Priority to PCT/SE1995/000586 priority patent/WO1995035410A1/en
Publication of SE9402197L publication Critical patent/SE9402197L/sv
Publication of SE502038C2 publication Critical patent/SE502038C2/sv
Priority to FI965088A priority patent/FI118899B/sv
Priority to US09/096,506 priority patent/US6062547A/en

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
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0071—Treatment 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
    • 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
    • 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)
  • Treating Waste Gases (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
SE9402197A 1994-06-22 1994-06-22 Förfarande för tvättning och kylning av gaser vid förgasning av svartlut SE502038C2 (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
SE9402197A SE502038C2 (sv) 1994-06-22 1994-06-22 Förfarande för tvättning och kylning av gaser vid förgasning av svartlut
AU28112/95A AU2811295A (en) 1994-06-22 1995-06-15 Process for washing gas formed by gasifying black liquor
CA002193516A CA2193516C (en) 1994-06-22 1995-06-15 Process for washing gas formed by gasifying black liquor
BR9508080A BR9508080A (pt) 1994-06-22 1995-06-15 Processo para a recuperação de produtos quimicos e de energia do licor negro
JP8502006A JPH10504607A (ja) 1994-06-22 1995-06-15 黒液をガス化させることによって形成されたガスの洗浄法
PCT/SE1995/000586 WO1995035410A1 (en) 1994-06-22 1995-06-15 Process for washing gas formed by gasifying black liquor
FI965088A FI118899B (sv) 1994-06-22 1996-12-18 Förfarande för tvättning av gas alstrad genom förgasning av svartlut
US09/096,506 US6062547A (en) 1994-06-22 1998-06-12 Quench vessel for recovering chemicals and energy from spent liquors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9402197A SE502038C2 (sv) 1994-06-22 1994-06-22 Förfarande för tvättning och kylning av gaser vid förgasning av svartlut

Publications (3)

Publication Number Publication Date
SE9402197D0 true SE9402197D0 (sv) 1994-06-22
SE9402197L SE9402197L (sv) 1995-07-24
SE502038C2 SE502038C2 (sv) 1995-07-24

Family

ID=20394481

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9402197A SE502038C2 (sv) 1994-06-22 1994-06-22 Förfarande för tvättning och kylning av gaser vid förgasning av svartlut

Country Status (7)

Country Link
JP (1) JPH10504607A (sv)
AU (1) AU2811295A (sv)
BR (1) BR9508080A (sv)
CA (1) CA2193516C (sv)
FI (1) FI118899B (sv)
SE (1) SE502038C2 (sv)
WO (1) WO1995035410A1 (sv)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6238468B1 (en) 1994-11-04 2001-05-29 Kvaerner Pulping Ab Quench vessel

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9701546D0 (sv) * 1997-04-24 1997-04-24 Kvaerner Pulping Tech New process
US6062547A (en) * 1994-06-22 2000-05-16 Kvaerner Pulping Ab Quench vessel for recovering chemicals and energy from spent liquors
SE513637C2 (sv) * 1999-04-01 2000-10-16 Kvaerner Chemrec Ab Anordning vid förgasning av avlut
SE512443C2 (sv) * 1999-04-01 2000-03-20 Kvaerner Chemrec Ab Förfarande för kylning av fast och gasformigt material vid förgasning av avlut
SE514277C2 (sv) * 1999-06-07 2001-02-05 Kvaerner Chemrec Ab Anordning för förgasning av avlut
SE535117C2 (sv) * 2010-03-30 2012-04-17 Chemrec Ab Förgasning av sulfittjocklut
CN103306154A (zh) * 2012-03-15 2013-09-18 秦才东 制浆黑液的处理及利用方法

Family Cites Families (2)

* 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
SE500263C2 (sv) * 1993-03-11 1994-05-24 Chemrec Ab Process för separation av svavelföreningar ur en koldioxid- och vätesulfidinnehållande gasström

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6238468B1 (en) 1994-11-04 2001-05-29 Kvaerner Pulping Ab Quench vessel

Also Published As

Publication number Publication date
AU2811295A (en) 1996-01-15
FI965088A0 (sv) 1996-12-18
BR9508080A (pt) 1997-09-02
SE9402197L (sv) 1995-07-24
SE502038C2 (sv) 1995-07-24
FI965088A (sv) 1996-12-18
CA2193516A1 (en) 1995-12-28
WO1995035410A1 (en) 1995-12-28
FI118899B (sv) 2008-04-30
JPH10504607A (ja) 1998-05-06
CA2193516C (en) 2005-02-08

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Legal Events

Date Code Title Description
NUG Patent has lapsed