SE9303923L - Förfarande vid integrerad indunstning och förgasning av avlut från cellulosakokning - Google Patents
Förfarande vid integrerad indunstning och förgasning av avlut från cellulosakokningInfo
- Publication number
- SE9303923L SE9303923L SE9303923A SE9303923A SE9303923L SE 9303923 L SE9303923 L SE 9303923L SE 9303923 A SE9303923 A SE 9303923A SE 9303923 A SE9303923 A SE 9303923A SE 9303923 L SE9303923 L SE 9303923L
- Authority
- SE
- Sweden
- Prior art keywords
- spent liquor
- pct
- reactor
- gasification
- liquor
- 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
- D21C11/10—Concentrating spent liquor by evaporation
- D21C11/103—Evaporation by direct contact with gases, e.g. hot flue gases
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S48/00—Gas: heating and illuminating
- Y10S48/03—High pressure
Landscapes
- Paper (AREA)
- Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9303923A SE9303923L (sv) | 1993-11-26 | 1993-11-26 | Förfarande vid integrerad indunstning och förgasning av avlut från cellulosakokning |
AU11253/95A AU1125395A (en) | 1993-11-26 | 1994-11-08 | Process for integrated evaporation and gasification of spent liquor from cellulose cooking |
EP95902360A EP0730689A1 (en) | 1993-11-26 | 1994-11-08 | Process for integrated evaporation and gasification of spent liquor from cellulose cooking |
US08/648,063 US5868805A (en) | 1993-11-26 | 1994-11-08 | Process for integrated evaporation and gasification of spent liquor from cellulose cooking |
PCT/SE1994/001046 WO1995014811A1 (en) | 1993-11-26 | 1994-11-08 | Process for integrated evaporation and gasification of spent liquor from cellulose cooking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9303923A SE9303923L (sv) | 1993-11-26 | 1993-11-26 | Förfarande vid integrerad indunstning och förgasning av avlut från cellulosakokning |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9303923D0 SE9303923D0 (sv) | 1993-11-26 |
SE9303923L true SE9303923L (sv) | 1995-05-27 |
Family
ID=20391894
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9303923A SE9303923L (sv) | 1993-11-26 | 1993-11-26 | Förfarande vid integrerad indunstning och förgasning av avlut från cellulosakokning |
Country Status (5)
Country | Link |
---|---|
US (1) | US5868805A (sv) |
EP (1) | EP0730689A1 (sv) |
AU (1) | AU1125395A (sv) |
SE (1) | SE9303923L (sv) |
WO (1) | WO1995014811A1 (sv) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20030116290A1 (en) * | 2001-12-20 | 2003-06-26 | 3M Innovative Properties Company | Continuous process for controlled evaporation of black liquor |
US20050076568A1 (en) * | 2003-10-09 | 2005-04-14 | Stigsson Lars Lennart | Partial oxidation of cellulose spent pulping liquor |
EP2097687A2 (en) * | 2006-12-21 | 2009-09-09 | Johnson Controls Technology Company | Falling film evaporator with a hood and a flow distributor |
WO2009055272A1 (en) * | 2007-10-23 | 2009-04-30 | Dean John Richards | Improved gas analyzer |
US20110226997A1 (en) * | 2010-03-19 | 2011-09-22 | Air Products And Chemicals, Inc. | Method And System Of Gasification |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3439724A (en) * | 1965-08-23 | 1969-04-22 | Chemical Construction Corp | Method and apparatus for the concentration of dilute black liquor |
US3349546A (en) * | 1966-02-07 | 1967-10-31 | Babcock & Wilcox Co | Chemical and heat absorbing apparatus |
SE448173B (sv) * | 1985-06-03 | 1987-01-26 | Croon Inventor Ab | Forfarande for utvinning av kemikalier fran cellulosaavlut genom pyrolys |
SE9103707L (sv) * | 1991-12-16 | 1993-02-15 | Chemrec Ab | Saett att framstaella koklut med hoeg sulfiditet |
-
1993
- 1993-11-26 SE SE9303923A patent/SE9303923L/sv not_active Application Discontinuation
-
1994
- 1994-11-08 EP EP95902360A patent/EP0730689A1/en not_active Withdrawn
- 1994-11-08 US US08/648,063 patent/US5868805A/en not_active Expired - Fee Related
- 1994-11-08 AU AU11253/95A patent/AU1125395A/en not_active Abandoned
- 1994-11-08 WO PCT/SE1994/001046 patent/WO1995014811A1/en not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
AU1125395A (en) | 1995-06-13 |
WO1995014811A1 (en) | 1995-06-01 |
EP0730689A1 (en) | 1996-09-11 |
SE9303923D0 (sv) | 1993-11-26 |
US5868805A (en) | 1999-02-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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