ES2069307T3 - Procedimiento para tratar pasta papelera lignocelulosica y aparato para la realizacion del procedimiento. - Google Patents
Procedimiento para tratar pasta papelera lignocelulosica y aparato para la realizacion del procedimiento.Info
- Publication number
- ES2069307T3 ES2069307T3 ES91915560T ES91915560T ES2069307T3 ES 2069307 T3 ES2069307 T3 ES 2069307T3 ES 91915560 T ES91915560 T ES 91915560T ES 91915560 T ES91915560 T ES 91915560T ES 2069307 T3 ES2069307 T3 ES 2069307T3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- carrying
- paper bag
- treating lignocellulosic
- washing
- 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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
UN PROCESO PARA EL TRATAMIENTO DE PASTA LIGNOCELULOSICA QUE CONSISTE EN UN LAVADO DE MULTIPLES ETAPAS DEL MATERIAL MARRON KRAFT SIN BLANQUEAR Y UN TRATAMIENTO DE XILANASA. EL TRATAMIENTO DE XILANASA SE LLEVA A CABO EN UN DEPOSITO DE RETENCION QUE SE ENCUENTRA DENTRO DE LA PRIMERA UNIDAD DE LAVADO EN SENTIDO ASCENDENTE O DE UNA O MAS DE LAS OTRAS UNIDADES DE LAVADO EN SENTIDO DESCENDENTE EXCEPTO EN LA ULTIMA UNIDAD DE LAVADO.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DK203490A DK203490D0 (da) | 1990-08-24 | 1990-08-24 | Fremgangsmaade til behandling af lignocellulosepulp og apparat til udfoerelse af processen |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2069307T3 true ES2069307T3 (es) | 1995-05-01 |
Family
ID=8109613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91915560T Expired - Lifetime ES2069307T3 (es) | 1990-08-24 | 1991-08-21 | Procedimiento para tratar pasta papelera lignocelulosica y aparato para la realizacion del procedimiento. |
Country Status (11)
Country | Link |
---|---|
EP (1) | EP0547100B1 (es) |
JP (1) | JPH05509137A (es) |
AT (1) | ATE118842T1 (es) |
BR (1) | BR9106763A (es) |
CA (1) | CA2090338A1 (es) |
DE (1) | DE69107620D1 (es) |
DK (1) | DK203490D0 (es) |
ES (1) | ES2069307T3 (es) |
FI (1) | FI930803A0 (es) |
NZ (1) | NZ239501A (es) |
WO (1) | WO1992003608A1 (es) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
MXPA03011194A (es) | 2001-06-06 | 2004-02-26 | Novozymes As | Endo-beta-1,4-glucanasa. |
CN101967490B (zh) | 2002-06-14 | 2014-07-16 | 先正达公司 | 木聚糖酶、编码木聚糖酶的核酸以及制备和应用它们的方法 |
DK1989302T3 (en) | 2006-02-14 | 2018-07-23 | Bp Corp North America Inc | XYLANASES, NUCLEIC ACID CODING THEM AND PROCEDURES FOR THEIR PREPARATION AND USE |
WO2009073709A1 (en) | 2007-12-06 | 2009-06-11 | Novozymes A/S | Polypeptides having acetylxylan esterase activity and polynucleotides encoding same |
DK2483403T3 (en) | 2009-09-29 | 2018-02-12 | Novozymes Inc | POLYPEPTIDES WITH XYLANASE ACTIVITY AND POLYNUCLEOTIDES CODING THEM |
CA2780198A1 (en) | 2009-11-06 | 2011-05-12 | Novozymes, Inc. | Polypeptides having xylanase activity and polynucleotides encoding same |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0373107B1 (en) * | 1988-11-23 | 1994-03-23 | Sandoz Ag | Use of enzymes of Aureobasidium pullulans in pulp bleaching |
FI90888B (fi) * | 1989-02-14 | 1993-12-31 | Enso Gutzeit Oy | Menetelmä selluloosamassan valkaisemiseksi |
-
1990
- 1990-08-24 DK DK203490A patent/DK203490D0/da not_active Application Discontinuation
-
1991
- 1991-08-21 JP JP3514774A patent/JPH05509137A/ja active Pending
- 1991-08-21 AT AT91915560T patent/ATE118842T1/de not_active IP Right Cessation
- 1991-08-21 BR BR919106763A patent/BR9106763A/pt not_active Application Discontinuation
- 1991-08-21 DE DE69107620T patent/DE69107620D1/de not_active Expired - Lifetime
- 1991-08-21 WO PCT/DK1991/000239 patent/WO1992003608A1/en active IP Right Grant
- 1991-08-21 EP EP91915560A patent/EP0547100B1/en not_active Expired - Lifetime
- 1991-08-21 CA CA002090338A patent/CA2090338A1/en not_active Abandoned
- 1991-08-21 ES ES91915560T patent/ES2069307T3/es not_active Expired - Lifetime
- 1991-08-22 NZ NZ239501A patent/NZ239501A/xx unknown
-
1993
- 1993-02-23 FI FI930803A patent/FI930803A0/fi not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
NZ239501A (en) | 1993-01-27 |
BR9106763A (pt) | 1993-06-29 |
FI930803A (fi) | 1993-02-23 |
JPH05509137A (ja) | 1993-12-16 |
DK203490D0 (da) | 1990-08-24 |
CA2090338A1 (en) | 1992-02-25 |
ATE118842T1 (de) | 1995-03-15 |
EP0547100A1 (en) | 1993-06-23 |
FI930803A0 (fi) | 1993-02-23 |
DE69107620D1 (de) | 1995-03-30 |
WO1992003608A1 (en) | 1992-03-05 |
EP0547100B1 (en) | 1995-02-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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