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
treatment
treating lignocellulosic
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
Application number
ES91915560T
Other languages
English (en)
Inventor
Lars Saaby Pedersen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Novo Nordisk AS
Original Assignee
Novo Nordisk AS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Novo Nordisk AS filed Critical Novo Nordisk AS
Application granted granted Critical
Publication of ES2069307T3 publication Critical patent/ES2069307T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Microbiology (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.
ES91915560T 1990-08-24 1991-08-21 Procedimiento para tratar pasta papelera lignocelulosica y aparato para la realizacion del procedimiento. Expired - Lifetime ES2069307T3 (es)

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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2002311012A1 (en) 2001-06-06 2002-12-16 Novozymes A/S Endo-beta-1,4-glucanase from bacillus
MXPA04012614A (es) 2002-06-14 2005-12-14 Diversa Corp Xilanasas, acidos nucleicos que las codifican, y metodos para hacerlas y usarlas.
ES2682284T3 (es) 2006-02-14 2018-09-19 Bp Corporation North America Inc. Xilanasas, ácidos nucleicos que las codifican y métodos para elaborarlas y usarlas
ES2490608T3 (es) 2007-12-06 2014-09-04 Novozymes A/S Polipéptidos con actividad de esterasa de acetilxilano y polinucleótidos que codifican los mismos
CA2775347A1 (en) 2009-09-29 2011-04-07 Novozymes A/S Polypeptides having xylanase activity and polynucleotides encoding same
DK2496692T3 (en) 2009-11-06 2016-06-27 Novozymes Inc POLYPEPTIDES WITH xylanase AND POLYNUCLEOTIDES ENCODING THEM

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE68914112T2 (de) * 1988-11-23 1994-08-04 Sandoz Ag Benutzung von Enzymen von Aureobasidium Pullulans für das Bleichen von Zellstoff.
FI90888B (fi) * 1989-02-14 1993-12-31 Enso Gutzeit Oy Menetelmä selluloosamassan valkaisemiseksi

Also Published As

Publication number Publication date
EP0547100A1 (en) 1993-06-23
BR9106763A (pt) 1993-06-29
DK203490D0 (da) 1990-08-24
FI930803A7 (fi) 1993-02-23
ATE118842T1 (de) 1995-03-15
DE69107620D1 (de) 1995-03-30
JPH05509137A (ja) 1993-12-16
CA2090338A1 (en) 1992-02-25
FI930803L (fi) 1993-02-23
NZ239501A (en) 1993-01-27
EP0547100B1 (en) 1995-02-22
WO1992003608A1 (en) 1992-03-05
FI930803A0 (fi) 1993-02-23

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