CA2193516C - Process for washing gas formed by gasifying black liquor - Google Patents

Process for washing gas formed by gasifying black liquor Download PDF

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Publication number
CA2193516C
CA2193516C CA002193516A CA2193516A CA2193516C CA 2193516 C CA2193516 C CA 2193516C CA 002193516 A CA002193516 A CA 002193516A CA 2193516 A CA2193516 A CA 2193516A CA 2193516 C CA2193516 C CA 2193516C
Authority
CA
Canada
Prior art keywords
gas
stage
liquid
liquid bath
process according
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 - Fee Related
Application number
CA002193516A
Other languages
English (en)
French (fr)
Other versions
CA2193516A1 (en
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
Publication of CA2193516A1 publication Critical patent/CA2193516A1/en
Application granted granted Critical
Publication of CA2193516C publication Critical patent/CA2193516C/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • D21C11/0064—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)
CA002193516A 1994-06-22 1995-06-15 Process for washing gas formed by gasifying black liquor Expired - Fee Related CA2193516C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9402197-9 1994-06-22
SE9402197A SE502038C2 (sv) 1994-06-22 1994-06-22 Förfarande för tvättning och kylning av gaser vid förgasning av svartlut
PCT/SE1995/000586 WO1995035410A1 (en) 1994-06-22 1995-06-15 Process for washing gas formed by gasifying black liquor

Publications (2)

Publication Number Publication Date
CA2193516A1 CA2193516A1 (en) 1995-12-28
CA2193516C true CA2193516C (en) 2005-02-08

Family

ID=20394481

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002193516A Expired - Fee Related CA2193516C (en) 1994-06-22 1995-06-15 Process for washing gas formed by gasifying black liquor

Country Status (7)

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

Families Citing this family (8)

* 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
US6027609A (en) 1994-11-04 2000-02-22 Kvaener Pulping Ab Pulp-mill recovery installation for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers
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
SE9300803L (sv) * 1993-03-11 1994-05-24 Chemrec Ab Process för separation av svavelföreningar ur en koldioxid- och vätesulfidinnehållande gasström

Also Published As

Publication number Publication date
SE9402197L (sv) 1995-07-24
AU2811295A (en) 1996-01-15
WO1995035410A1 (en) 1995-12-28
BR9508080A (pt) 1997-09-02
CA2193516A1 (en) 1995-12-28
JPH10504607A (ja) 1998-05-06
FI118899B (fi) 2008-04-30
SE502038C2 (sv) 1995-07-24
FI965088A (fi) 1996-12-18
FI965088A0 (fi) 1996-12-18
SE9402197D0 (sv) 1994-06-22

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed

Effective date: 20150615