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ES2120391T1 - WHITENING AND STERILIZATION OF CORK ITEMS. - Google Patents

WHITENING AND STERILIZATION OF CORK ITEMS.

Info

Publication number
ES2120391T1
ES2120391T1 ES96932469T ES96932469T ES2120391T1 ES 2120391 T1 ES2120391 T1 ES 2120391T1 ES 96932469 T ES96932469 T ES 96932469T ES 96932469 T ES96932469 T ES 96932469T ES 2120391 T1 ES2120391 T1 ES 2120391T1
Authority
ES
Spain
Prior art keywords
catalase
peroxide
treatment
solution
cork
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.)
Pending
Application number
ES96932469T
Other languages
Spanish (es)
Inventor
Ramiro Martinez
Lars Sparre Conrad
Maria Da Conceicao Gomes
Paula Vieira Neto
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
Publication of ES2120391T1 publication Critical patent/ES2120391T1/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/002—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process employing compositions comprising microorganisms
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/02—Processes; Apparatus
    • B27K3/04—Impregnating in open tanks
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
    • B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
    • B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
    • B27K7/00—Chemical or physical treatment of cork

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Forests & Forestry (AREA)
  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Microbiology (AREA)
  • Chemical And Physical Treatments For Wood And The Like (AREA)
  • Detergent Compositions (AREA)

Abstract

SE BLANQUEAN Y/O ESTERILIZAN ARTICULOS DE CORCHO, PONIENDOLOS PRIMERAMENTE EN CONTACTO CON UNA SOLUCION DE PEROXIDO DE HIDROGENO, Y SEGUIDAMENTE CON UNA SOLUCION DE LA ENZIMA CATALASA. LA CALIDAD DE LOS ARTICULOS DE CORCHO TRATADOS, PUEDE AJUSTARSE A LOS REQUERIMIENTOS INDUSTRIALES EN TERMINOS DE H 2 O 2 RESIDUAL, PROPIEDADES MECANICAS, ETC. EL H 2 O SUB,2 SE PUEDE ELIMINAR, REDUCIENDOLO HASTA NIVELES MUY BAJOS, INCLUSO CUANDO SE UTILIZAN CONCENTRACIONES DE PEROXIDO. EL ACLARADO TRAS EL TRATAMIENTO CON PEROXIDO ES, GENERALMENTE, INNECESARIO. LA SOLUCION DE CATALASA SE PUEDE UTILIZAR REPETIDAMENTE. EL TIEMPO TOTAL DE PROCESAMIENTO SE PUEDE MANTENER DENTRO DE VALORES PEQUEÑOS, P.EJ. APROX. UNA HORA EN TOTAL PARA EL TRATAMIENTO CON PEROXIDO Y EL TRATAMIENTO CON CATALASA. EL BOD Y COD DEL AGUA RESIDUAL SON BAJOS Y LA CANTIDAD DE AGUA RESIDUAL SE PUEDE REDUCIR MEDIANTE LA UTILIZACION REPETIDA DEL MISMO BAÑO DE CATALASA.CORK ARTICLES ARE BLEACHED AND / OR STERILIZED, PUTTING THEM FIRST IN CONTACT WITH A HYDROGEN PEROXIDE SOLUTION, AND FOLLOWING WITH A CATALASE ENZYME SOLUTION. THE QUALITY OF THE TREATED CORK ARTICLES, CAN BE ADJUSTED TO THE INDUSTRIAL REQUIREMENTS IN TERMS OF H 2 OR 2 RESIDUAL, MECHANICAL PROPERTIES, ETC. THE H 2 O SUB, 2 CAN BE ELIMINATED, REDUCING IT TO VERY LOW LEVELS, EVEN WHEN PEROXIDE CONCENTRATIONS ARE USED. RINSING AFTER PEROXIDE TREATMENT IS GENERALLY UNNECESSARY. THE CATALASE SOLUTION CAN BE USED REPEATEDLY. TOTAL PROCESSING TIME CAN BE KEPT WITHIN SMALL VALUES, P.EJ. APPROX. ONE HOUR IN TOTAL FOR PEROXIDE TREATMENT AND CATALASE TREATMENT. THE BOD AND COD OF THE WASTE WATER ARE LOW AND THE AMOUNT OF WASTE WATER CAN BE REDUCED THROUGH THE REPEATED USE OF THE SAME BATH IN CATALONIA.

ES96932469T 1995-10-06 1996-10-03 WHITENING AND STERILIZATION OF CORK ITEMS. Pending ES2120391T1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DK112095 1995-10-06

Publications (1)

Publication Number Publication Date
ES2120391T1 true ES2120391T1 (en) 1998-11-01

Family

ID=8101239

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96932469T Pending ES2120391T1 (en) 1995-10-06 1996-10-03 WHITENING AND STERILIZATION OF CORK ITEMS.

Country Status (5)

Country Link
EP (1) EP0853533A1 (en)
AU (1) AU7126096A (en)
ES (1) ES2120391T1 (en)
WO (1) WO1997013628A1 (en)
ZA (1) ZA968313B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19642325A1 (en) * 1996-10-14 1998-04-16 Bayer Ag Removal of hydrogen peroxide from bleaching liquors
EP1077796B1 (en) * 1998-05-13 2003-07-02 Novozymes A/S Treatment of cork with a phenol oxidising enzyme
US6152966A (en) * 1998-05-13 2000-11-28 Novo Nordisk A/S Treatment of cork with a phenol oxidizing enzyme
DE102012206635A1 (en) * 2012-04-23 2013-10-24 Krones Ag Use of catalase in filling machines

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU590017B2 (en) * 1985-11-08 1989-10-26 Minnesota Mining And Manufacturing Company Article and method for enzymatic neutralization of hydrogen peroxide
FR2627517B1 (en) * 1988-02-24 1990-10-12 Sandoz Sa PROCESS FOR BLEACHING TEXTILE MATERIALS WITH ENZYMATIC DESTRUCTION OF EXCESS PEROXIDE
US5145644A (en) * 1990-12-20 1992-09-08 Allergan, Inc. Hydrogen peroxide destroying compositions and methods of making and using same
ATE192934T1 (en) * 1992-03-04 2000-06-15 Genencor Int USE OF ASPERGILLUS NIGER CATALASE-R FOR HYDROGEN PEROXIDE NEUTRALIZATION
US5362647A (en) * 1993-02-12 1994-11-08 Allergan, Inc. Compositions and methods for destroying hydrogen peroxide

Also Published As

Publication number Publication date
EP0853533A1 (en) 1998-07-22
WO1997013628A1 (en) 1997-04-17
AU7126096A (en) 1997-04-30
ZA968313B (en) 1997-04-07

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