FI971867A - Selective recovery of chemicals from cellulose waste solution by gasification of the solution - Google Patents
Selective recovery of chemicals from cellulose waste solution by gasification of the solution Download PDFInfo
- Publication number
- FI971867A FI971867A FI971867A FI971867A FI971867A FI 971867 A FI971867 A FI 971867A FI 971867 A FI971867 A FI 971867A FI 971867 A FI971867 A FI 971867A FI 971867 A FI971867 A FI 971867A
- Authority
- FI
- Finland
- Prior art keywords
- solution
- gasification
- chemicals
- selective recovery
- cellulose waste
- Prior art date
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
- D21C11/12—Combustion of pulp liquors
- D21C11/122—Treatment, e.g. dissolution, of the smelt
-
- 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
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
-
- 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
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9403786A SE9403786L (en) | 1994-11-04 | 1994-11-04 | Selective extraction of chemicals from cellulose liquids by gasification |
PCT/SE1995/001219 WO1996014468A1 (en) | 1994-11-04 | 1995-10-18 | Selective recovery of chemicals from cellulose spent liquor by liquor gasifying |
Publications (2)
Publication Number | Publication Date |
---|---|
FI971867A true FI971867A (en) | 1997-04-30 |
FI971867A0 FI971867A0 (en) | 1997-04-30 |
Family
ID=20395854
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI971867A FI971867A0 (en) | 1994-11-04 | 1997-04-30 | Selective recovery of chemicals from cellulose waste solution by gasification of the solution |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPH10509481A (en) |
AU (1) | AU3884595A (en) |
CA (1) | CA2202753A1 (en) |
FI (1) | FI971867A0 (en) |
SE (1) | SE9403786L (en) |
WO (1) | WO1996014468A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6030493A (en) * | 1994-11-04 | 2000-02-29 | Kvaerner Pulping, Ab | Process for recovering chemicals and energy from cellulose spent liquor using multiple gasifiers |
DE19642162A1 (en) * | 1996-10-12 | 1998-04-16 | Krc Umwelttechnik Gmbh | Process for the regeneration of a liquid resulting from the power process for the digestion of wood with simultaneous production of energy |
FI104335B1 (en) * | 1997-10-13 | 1999-12-31 | Poeyry Jaakko & Co Oy | Process for the recovery of alkali and energy from silicate-containing black liquor |
SE9901185L (en) * | 1999-04-01 | 2000-03-20 | Kvaerner Chemrec Ab | Process for cooling solid and gaseous material in gasification of effluent |
ES2372749T3 (en) | 2002-07-04 | 2012-01-26 | Metso Power Oy | METHOD FOR THE RESIDUAL LYE TREATMENT. |
SE535117C2 (en) * | 2010-03-30 | 2012-04-17 | Chemrec Ab | Gasification of sulphite thick liquor |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3841962A (en) * | 1972-07-31 | 1974-10-15 | Mac Millan Bloedel Ltd | Hydrogen sulfide pretreatment of lignocellulosic materials in alkaline pulping processes |
SE448173B (en) * | 1985-06-03 | 1987-01-26 | Croon Inventor Ab | PROCEDURE FOR THE RECOVERY OF CELLULOSA DISPOSAL CHEMICALS BY PYROLYSIS |
FI91290C (en) * | 1991-02-14 | 1994-06-10 | Tampella Power Oy | Method and apparatus for energy and chemical recovery in a sulfate pulp process |
SE468600B (en) * | 1991-12-16 | 1993-02-15 | Chemrec Ab | SET TO MAKE HIGH SULFIDITY COOKIES |
-
1994
- 1994-11-04 SE SE9403786A patent/SE9403786L/en not_active Application Discontinuation
-
1995
- 1995-10-18 CA CA002202753A patent/CA2202753A1/en not_active Abandoned
- 1995-10-18 WO PCT/SE1995/001219 patent/WO1996014468A1/en active Application Filing
- 1995-10-18 AU AU38845/95A patent/AU3884595A/en not_active Abandoned
- 1995-10-18 JP JP8515233A patent/JPH10509481A/en not_active Ceased
-
1997
- 1997-04-30 FI FI971867A patent/FI971867A0/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE9403786L (en) | 1996-05-05 |
AU3884595A (en) | 1996-05-31 |
FI971867A0 (en) | 1997-04-30 |
SE9403786D0 (en) | 1994-11-04 |
WO1996014468A1 (en) | 1996-05-17 |
CA2202753A1 (en) | 1996-05-17 |
JPH10509481A (en) | 1998-09-14 |
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