CA2050818C - Impregnation de boue noire avant l'introduction de l'eau blanche - Google Patents
Impregnation de boue noire avant l'introduction de l'eau blanche Download PDFInfo
- Publication number
- CA2050818C CA2050818C CA002050818A CA2050818A CA2050818C CA 2050818 C CA2050818 C CA 2050818C CA 002050818 A CA002050818 A CA 002050818A CA 2050818 A CA2050818 A CA 2050818A CA 2050818 C CA2050818 C CA 2050818C
- Authority
- CA
- Canada
- Prior art keywords
- liquid
- cooking
- liquor
- slurry
- withdrawn
- 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 - Lifetime
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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- 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
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous processes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Alcoholic Beverages (AREA)
- Toys (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
- Plural Heterocyclic Compounds (AREA)
- Soy Sauces And Products Related Thereto (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Distillation Of Fermentation Liquor, Processing Of Alcohols, Vinegar And Beer (AREA)
- Electroluminescent Light Sources (AREA)
- Reinforced Plastic Materials (AREA)
- Coloring (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US58579090A | 1990-09-20 | 1990-09-20 | |
US585,790 | 1990-09-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
CA2050818A1 CA2050818A1 (fr) | 1992-03-21 |
CA2050818C true CA2050818C (fr) | 2002-07-02 |
Family
ID=24342973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002050818A Expired - Lifetime CA2050818C (fr) | 1990-09-20 | 1991-09-06 | Impregnation de boue noire avant l'introduction de l'eau blanche |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP0477059B1 (fr) |
JP (1) | JP3126763B2 (fr) |
AT (1) | ATE125010T1 (fr) |
BR (1) | BR9104005A (fr) |
CA (1) | CA2050818C (fr) |
DE (1) | DE69111165T2 (fr) |
FI (1) | FI103589B (fr) |
NO (1) | NO913628L (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AU704580B2 (en) * | 1993-05-04 | 1999-04-29 | Kamyr Inc. | Dissolved solids control in pulp protection |
US5489363A (en) * | 1993-05-04 | 1996-02-06 | Kamyr, Inc. | Pulping with low dissolved solids for improved pulp strength |
US5536366A (en) * | 1993-05-04 | 1996-07-16 | Ahlstrom Machinery Inc. | Digester system for implementing low dissolved solids profiling |
SE502039C2 (sv) * | 1993-12-29 | 1995-07-24 | Kvaerner Pulping Tech | Sätt och anordning för kontinuerlig kokning av massa |
US5824187A (en) * | 1993-12-29 | 1998-10-20 | Kvaerner Pulping Ab | Method for the continuous cooking of pulp |
WO1996007786A1 (fr) * | 1994-09-02 | 1996-03-14 | Kamyr, Inc. | Procede de cuisson continue de pate kraft avec pretraitement de la liqueur noire |
US5660686A (en) * | 1994-09-02 | 1997-08-26 | Ahlstrom Machinery Inc. | Cooking with spent liquor pretreatment of cellulose material |
US5925216A (en) * | 1994-11-15 | 1999-07-20 | Kvaerner Pulping Ab | Method of continuous pulping in a digester with high black liquor usage in the impregnation stage |
SE502510C2 (sv) * | 1994-11-15 | 1995-11-06 | Kvaerner Pulping Tech | Svartlutsimpregnering i enkärlshydraulkokare |
US6248208B1 (en) | 1995-06-02 | 2001-06-19 | Andritz-Ahlstrom Inc. | Pretreatment of chips before cooking |
US5635026A (en) * | 1995-11-13 | 1997-06-03 | Ahlstrom Machinery Inc. | Cooking cellulose material with high alkali concentrations and/or high pH |
SE506458C2 (sv) | 1996-02-09 | 1997-12-15 | Kvaerner Pulping Tech | Kontinuerlig kokning av cellulosahaltigt material med värmeväxling mellan kokaravdrag och cirkulerande kokvätska |
US6159336A (en) * | 1997-08-07 | 2000-12-12 | Kvaerner Pulping Ab | Method and device for the continuous cooking of pulp |
US20010032711A1 (en) * | 1998-10-26 | 2001-10-25 | C. Bertil Stromberg | Pulp cooking with particular alkali profiles |
SE518993E (sv) * | 2002-01-24 | 2013-04-23 | Metso Paper Sweden Ab | Framställning av cellulosamassa genom kokning med en kokvätska innehållande förindunstad svartlut |
SE527058C2 (sv) * | 2004-02-09 | 2005-12-13 | Kvaerner Pulping Tech | Kontinuerlig kokprocess med förbättrad värmeekonomi |
US7556713B2 (en) * | 2004-06-22 | 2009-07-07 | Andritz, Inc. | Method and system for feeding cellulose chips to a high pressure continuous cooking system |
SE529573C2 (sv) * | 2006-12-13 | 2007-09-18 | Metso Fiber Karlstad Ab | Metod för att energieffektivt producera cellulosamassa i ett kontinuerligt kokeri |
FI20090079A (fi) | 2009-03-05 | 2010-09-06 | Andritz Inc | Lämmön talteenotto jätekeittolipeästä sellutehtaan keittämöllä |
FI20105613A (fi) * | 2010-05-31 | 2011-12-01 | Chempolis Oy | Lignoselluloosaprosessi |
FI129440B (fi) * | 2020-01-15 | 2022-02-28 | Chempolis Oy | Keittolaitteisto ja -menetelmä lignoselluloosaa sisältävän biomassan käsittelemiseksi |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3303088A (en) * | 1963-04-19 | 1967-02-07 | Lummus Co | Continuous liquid-phase rapid pulping |
SE359331B (fr) * | 1970-03-17 | 1973-08-27 | Kamyr Ab | |
CA2066181C (fr) * | 1989-09-28 | 1995-09-26 | Karl-Eric Bertil Fagerlund | Methode de chauffage par deplacement pour lessiveur a cuisson continue |
-
1991
- 1991-09-03 EP EP91402350A patent/EP0477059B1/fr not_active Expired - Lifetime
- 1991-09-03 DE DE69111165T patent/DE69111165T2/de not_active Expired - Fee Related
- 1991-09-03 AT AT91402350T patent/ATE125010T1/de not_active IP Right Cessation
- 1991-09-06 CA CA002050818A patent/CA2050818C/fr not_active Expired - Lifetime
- 1991-09-13 NO NO91913628A patent/NO913628L/no unknown
- 1991-09-18 FI FI914378A patent/FI103589B/fi not_active IP Right Cessation
- 1991-09-18 BR BR919104005A patent/BR9104005A/pt not_active IP Right Cessation
- 1991-09-20 JP JP03241805A patent/JP3126763B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
NO913628D0 (no) | 1991-09-13 |
FI103589B1 (fi) | 1999-07-30 |
DE69111165T2 (de) | 1995-11-16 |
FI914378A (fi) | 1992-03-21 |
EP0477059A3 (en) | 1993-06-23 |
JPH05132882A (ja) | 1993-05-28 |
JP3126763B2 (ja) | 2001-01-22 |
BR9104005A (pt) | 1992-05-26 |
FI914378A0 (fi) | 1991-09-18 |
EP0477059B1 (fr) | 1995-07-12 |
NO913628L (no) | 1992-03-23 |
ATE125010T1 (de) | 1995-07-15 |
FI103589B (fi) | 1999-07-30 |
DE69111165D1 (de) | 1995-08-17 |
EP0477059A2 (fr) | 1992-03-25 |
CA2050818A1 (fr) | 1992-03-21 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA2050818C (fr) | Impregnation de boue noire avant l'introduction de l'eau blanche | |
US5849151A (en) | Continuous digester having means for implementing low dissolved solids profiling | |
US5779856A (en) | Cooking cellulose material using high alkali concentrations and/or high pH near the end of the cook | |
US6346167B2 (en) | Dissolved solids control in pulp production | |
US7976675B2 (en) | Continuous digester system | |
CA2066181C (fr) | Methode de chauffage par deplacement pour lessiveur a cuisson continue | |
US5346591A (en) | Apparatus for treatment of chips with heated black liquor | |
CA2080677C (fr) | Traitement continu de petits copeaux | |
US5256255A (en) | Displacement heating in continuous digesters | |
JP3447264B2 (ja) | 低温浸透とdom制御を有する連続蒸解方法 | |
CA2202250C (fr) | Impregnation de lessive noire dans un lessiveur a une cuve | |
CA2189899C (fr) | Methode de cuisson de materiau cellulosique faisant appel a une forte concentration d'alkalis et a des substances au ph eleve peu avant la fin de la cuisson | |
US5925216A (en) | Method of continuous pulping in a digester with high black liquor usage in the impregnation stage | |
CA2273146C (fr) | Reduction de la teneur de la pate en matieres dissoutes |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |