ES2171562T3 - Impregnacion de lejia negra en un digestor hidraulico de una sola cuba. - Google Patents
Impregnacion de lejia negra en un digestor hidraulico de una sola cuba.Info
- Publication number
- ES2171562T3 ES2171562T3 ES95937274T ES95937274T ES2171562T3 ES 2171562 T3 ES2171562 T3 ES 2171562T3 ES 95937274 T ES95937274 T ES 95937274T ES 95937274 T ES95937274 T ES 95937274T ES 2171562 T3 ES2171562 T3 ES 2171562T3
- Authority
- ES
- Spain
- Prior art keywords
- digester
- impregnation
- hydraulic
- chips
- digestor
- 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
- D21C3/22—Other features of pulping processes
- D21C3/24—Continuous 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
-
- 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
- D21C7/00—Digesters
- D21C7/14—Means for circulating the lye
Landscapes
- Paper (AREA)
- Cookers (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
LA INVENCION SE REFIERE A UN METODO PARA PROCESAR DE FORMA CONTINUA PULPA EN UN SISTEMA DE VASO SIMPLE (1), PREFERIBLEMENTE UN DIGESTOR HIDRAULICO DE BASE DE SIMPLE, SIENDO SUMINISTRADAS LAS ASTILLAS (2) EN UN PRIMER EXTREMO (3) DEL DIGESTOR, EL LICOR BLANCO (4) SE AÑADE AL MENOS UNA POSICION EN O CERCA DEL PRIMER EXTREMO (3), LAS ASTILLAS SON IMPREGNADAS EN UNA ZONA DE IMPREGNACION CONCURRENTE (5), LAS ASTILLAS SON PROCESADAS EN UNA ZONA DE PROCESAMIENTO (6) CORRIENTE ABAJO DE LA ZONA DE IMPREGNACION, EL LICOR NEGRO CALIENTE (7) ES EXTRAIDO Y AL MENOS UNA SECCION DE TAMIZ DE EXTRACCION (8), Y LA PULPA PROCESADA ES DESCARGADAS (9) EN EL OTRO EXTREMO DEL DIGESTOR, Y EL LICOR NEGRO CALIENTE (7) SE AÑADE (11, 12) A LA ZONA DE IMPREGNACION (5), Y EL LICOR EXTRAIDO (13) DE LA PRIMERA SECCION DEL TAMIZ (14), QUE SE DISPONE CORRIENTE ABAJO DE LA POSICION DE ADICION (11A) DEL LICOR NEGRO CALIENTE, SE SEPARA DEL DIGESTOR.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE9403978A SE502510C2 (sv) | 1994-11-15 | 1994-11-15 | Svartlutsimpregnering i enkärlshydraulkokare |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2171562T3 true ES2171562T3 (es) | 2002-09-16 |
Family
ID=20396019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES95937274T Expired - Lifetime ES2171562T3 (es) | 1994-11-15 | 1995-11-10 | Impregnacion de lejia negra en un digestor hidraulico de una sola cuba. |
Country Status (12)
Country | Link |
---|---|
US (1) | US6063238A (es) |
EP (1) | EP0792394B1 (es) |
JP (1) | JP3782824B2 (es) |
AT (1) | ATE212084T1 (es) |
AU (1) | AU3943195A (es) |
CA (1) | CA2202250C (es) |
DE (1) | DE69525064T2 (es) |
ES (1) | ES2171562T3 (es) |
FI (1) | FI115846B (es) |
PT (1) | PT792394E (es) |
SE (1) | SE502510C2 (es) |
WO (1) | WO1996015313A1 (es) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE518542C2 (sv) * | 2001-03-21 | 2002-10-22 | Kvaerner Pulping Tech | Kontinuerlig kokare förfarande för drift av kontinuerlig kokare och återföringssystem för kokvätska i en kontinuerlig kokare |
SE0104247L (sv) * | 2001-12-14 | 2002-10-22 | Kvaerner Pulping Tech | Förbehandling av flis med färsk vitlut före behandling med svartlut |
US20030131956A1 (en) * | 2002-01-16 | 2003-07-17 | Stromberg C. Bertil | Continuous pulping processes and systems |
SE531632C2 (sv) * | 2007-12-20 | 2009-06-09 | Metso Fiber Karlstad Ab | Förfarande vid tillverkning av sulfatmassa där hemicellulosor återförs |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3303088A (en) * | 1963-04-19 | 1967-02-07 | Lummus Co | Continuous liquid-phase rapid pulping |
US3427218A (en) * | 1964-07-10 | 1969-02-11 | Kamyr Ab | Method of performing counter-current continuous cellulose digestion |
ATE125010T1 (de) * | 1990-09-20 | 1995-07-15 | Kvaerner Pulping Tech | Tränkung mit schwarzlauge vor der zufuhr der weisslauge. |
US5213662A (en) * | 1991-08-14 | 1993-05-25 | Kamyr, Inc. | Treatment of chips with high temperature black liquor to reduce black liquor viscosity |
US5658428A (en) * | 1995-10-19 | 1997-08-19 | Kvaerner Pulping Technologies Ab | Method for impregnation in a single-vessel hydraulic digester |
-
1994
- 1994-11-15 SE SE9403978A patent/SE502510C2/sv not_active IP Right Cessation
-
1995
- 1995-11-10 WO PCT/SE1995/001333 patent/WO1996015313A1/en active IP Right Grant
- 1995-11-10 PT PT95937274T patent/PT792394E/pt unknown
- 1995-11-10 JP JP51598296A patent/JP3782824B2/ja not_active Expired - Fee Related
- 1995-11-10 EP EP95937274A patent/EP0792394B1/en not_active Expired - Lifetime
- 1995-11-10 AU AU39431/95A patent/AU3943195A/en not_active Abandoned
- 1995-11-10 ES ES95937274T patent/ES2171562T3/es not_active Expired - Lifetime
- 1995-11-10 AT AT95937274T patent/ATE212084T1/de not_active IP Right Cessation
- 1995-11-10 CA CA002202250A patent/CA2202250C/en not_active Expired - Fee Related
- 1995-11-10 DE DE69525064T patent/DE69525064T2/de not_active Expired - Fee Related
-
1997
- 1997-05-14 FI FI972047A patent/FI115846B/fi not_active IP Right Cessation
-
1998
- 1998-05-06 US US09/073,192 patent/US6063238A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JP3782824B2 (ja) | 2006-06-07 |
SE9403978L (sv) | 1995-11-06 |
DE69525064T2 (de) | 2002-09-05 |
SE9403978D0 (sv) | 1994-11-15 |
EP0792394A1 (en) | 1997-09-03 |
DE69525064D1 (de) | 2002-02-21 |
WO1996015313A1 (en) | 1996-05-23 |
SE502510C2 (sv) | 1995-11-06 |
US6063238A (en) | 2000-05-16 |
EP0792394B1 (en) | 2002-01-16 |
ATE212084T1 (de) | 2002-02-15 |
AU3943195A (en) | 1996-06-06 |
FI115846B (fi) | 2005-07-29 |
CA2202250A1 (en) | 1996-05-23 |
FI972047A0 (fi) | 1997-05-14 |
FI972047A (fi) | 1997-05-14 |
PT792394E (pt) | 2002-07-31 |
JPH10509484A (ja) | 1998-09-14 |
CA2202250C (en) | 2002-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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