[go: up one dir, main page]

ES2086408T3 - Mejora en el blanqueo de una pasta. - Google Patents

Mejora en el blanqueo de una pasta.

Info

Publication number
ES2086408T3
ES2086408T3 ES90911518T ES90911518T ES2086408T3 ES 2086408 T3 ES2086408 T3 ES 2086408T3 ES 90911518 T ES90911518 T ES 90911518T ES 90911518 T ES90911518 T ES 90911518T ES 2086408 T3 ES2086408 T3 ES 2086408T3
Authority
ES
Spain
Prior art keywords
pasta
whitening
improves
hydrolyses
hemicellulose
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
ES90911518T
Other languages
English (en)
Inventor
Ilkka Kruus
Jaakko Laine
Marja Koljonen
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.)
Genencor International Europe Oy
Original Assignee
Genencor International Europe Oy
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=23555945&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2086408(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Genencor International Europe Oy filed Critical Genencor International Europe Oy
Application granted granted Critical
Publication of ES2086408T3 publication Critical patent/ES2086408T3/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
    • C—CHEMISTRY; METALLURGY
    • C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12P—FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIRED CHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERS FROM A RACEMIC MIXTURE
    • C12P19/00—Preparation of compounds containing saccharide radicals
    • C12P19/14—Preparation of compounds containing saccharide radicals produced by the action of a carbohydrase (EC 3.2.x), e.g. by alpha-amylase, e.g. by cellulase, hemicellulase
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Biochemistry (AREA)
  • Microbiology (AREA)
  • Zoology (AREA)
  • Bioinformatics & Cheminformatics (AREA)
  • Genetics & Genomics (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Biotechnology (AREA)
  • General Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Enzymes And Modification Thereof (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Treating Waste Gases (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)

Abstract

UN METODO MEJORADO PARA EL BLANQUEADO CON OXIGENO DE LA PASTA DE CELULOSA QUE CONSISTE EN TRATAR LA PASTA CON UNA ENZIMA QUE HIDROLIZA HEMICELULOSA.
ES90911518T 1989-08-14 1990-08-13 Mejora en el blanqueo de una pasta. Expired - Lifetime ES2086408T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US39371689A 1989-08-14 1989-08-14

Publications (1)

Publication Number Publication Date
ES2086408T3 true ES2086408T3 (es) 1996-07-01

Family

ID=23555945

Family Applications (1)

Application Number Title Priority Date Filing Date
ES90911518T Expired - Lifetime ES2086408T3 (es) 1989-08-14 1990-08-13 Mejora en el blanqueo de una pasta.

Country Status (12)

Country Link
EP (1) EP0487557B1 (es)
JP (1) JP2890362B2 (es)
AT (1) ATE134231T1 (es)
BR (1) BR9007655A (es)
CA (1) CA2064045C (es)
DE (1) DE69025405T2 (es)
DK (1) DK0487557T3 (es)
ES (1) ES2086408T3 (es)
FI (1) FI920609A0 (es)
NO (1) NO920569D0 (es)
PT (1) PT94984A (es)
WO (1) WO1991002840A1 (es)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE465320B (sv) * 1990-01-10 1991-08-26 Korsnaes Ab Preparat som uppvisar enzymatisk delignifieringsaktivitet, saett att framstaella detsamma och tillaempningar daerav
FI108800B (fi) * 1991-05-07 2002-03-28 Iogen Corp Menetelmä ja laitteisto entsyymin käyttämiseksi paperimassan valmistuksessa ja valkaisussa
CA2082185C (en) * 1991-11-26 2004-01-20 Alexander R. Pokora Protease catalyzed treatments of lignocellulose materials
US5498534A (en) * 1992-03-25 1996-03-12 The United States Of America As Represented By The Secretary Of Agriculture Method of removing color from wood pulp using xylanase from streptomyces roseiscleroticus NRRL B-11019
US5369024A (en) * 1992-03-25 1994-11-29 The United States Of America As Represented By The Secretary Of Agriculture Xylanase from streptomyces roseiscleroticus NRRL-11019 for removing color from kraft wood pulps
KR100256636B1 (ko) * 1994-04-12 2000-05-15 김충섭 종이내 충전물의 함량을 높이고 스코트 내부결합강도를 증가시키는 종이의 제조방법
DE4439149C2 (de) * 1994-11-03 1997-07-31 Thueringisches Inst Textil Verfahren zur Herstellung einer homogenen Celluloselösung
JP3467903B2 (ja) * 1995-04-28 2003-11-17 王子製紙株式会社 電気絶縁積層板原紙
JPH1046495A (ja) * 1996-07-24 1998-02-17 Oji Paper Co Ltd 印刷用塗被紙及びその製造方法
JP3610686B2 (ja) * 1996-07-31 2005-01-19 王子製紙株式会社 印刷用塗被紙の製造方法
EP0905306A1 (de) 1997-09-26 1999-03-31 Consortium für elektrochemische Industrie GmbH Mehrkomponentensystem zum Verändern, Abbau oder Bleichen von Lignin, ligninhaltigen Materialien sowie Verfahren zu seiner Anwendung
US6824646B2 (en) 1999-03-23 2004-11-30 Oji Paper Co., Ltd. Process for oxygen bleaching and enzyme treating lignocellulosic pulp with liquid treatment and recovery
CA2301371C (en) * 1999-03-23 2009-09-01 Oji Paper Co., Ltd. Process for bleaching lignocellulose pulp
US6942754B2 (en) 1999-03-23 2005-09-13 Oji Paper Co., Ltd. Process for producing xylooligosaccharide from lignocellulose pulp
AU2002229430A1 (en) 2001-01-18 2002-07-30 Iogen Bio-Products Corporation Use of xylanase in pulp bleaching
WO2003074780A1 (en) * 2002-03-06 2003-09-12 Iogen Bio-Products Corporation Xylanase treatment of chemical pulp
JP2018204158A (ja) * 2017-06-09 2018-12-27 王子ホールディングス株式会社 リグノセルロース系原料からの溶解パルプの製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5179021A (en) * 1989-02-10 1993-01-12 Gil Inc. (Now Ici Canada Inc.) Pulp bleaching process comprising oxygen delignification and xylanase enzyme treatment
FI86896B (fi) * 1989-05-04 1992-07-15 Enso Gutzeit Oy Foerfarande foer blekning av cellulosamassa.

Also Published As

Publication number Publication date
DE69025405T2 (de) 1996-09-05
CA2064045C (en) 2006-02-14
PT94984A (pt) 1991-04-18
EP0487557B1 (en) 1996-02-14
ATE134231T1 (de) 1996-02-15
FI920609A7 (fi) 1992-02-13
CA2064045A1 (en) 1991-02-15
JPH04507268A (ja) 1992-12-17
WO1991002840A1 (en) 1991-03-07
JP2890362B2 (ja) 1999-05-10
DK0487557T3 (da) 1996-07-01
NO920569L (no) 1992-02-13
EP0487557A1 (en) 1992-06-03
FI920609A0 (fi) 1992-02-13
NO920569D0 (no) 1992-02-13
DE69025405D1 (de) 1996-03-28
BR9007655A (pt) 1992-07-07

Similar Documents

Publication Publication Date Title
ES2086408T3 (es) Mejora en el blanqueo de una pasta.
FI855038A0 (fi) Flerstegsfoerfarande foer blekning av hoegutbytes- och ultrahoegutbytesmassor.
FI94265C (fi) Menetelmä lignoselluloosamateriaalin valkaisemiseksi happi- ja entsyymikäsittelyllä
ES522310A0 (es) Un metodo de tratar una composicion sustancialmente seca que incluye factor viii de plasma sanguineo.
AU560277B2 (en) Bleaching cellulose with oxidising agents and microwaves
FI844445A7 (fi) Kemitermomekaaninen kuidutusprosessi, jossa käytetään erillisiä alkali- ja sulfiittikäsittelyjä.
NO895234D0 (no) Hydrogenperoksyd-blekeprosess.
FI852505A7 (fi) Menetelmä sellun ligniininpoistoa ja valkaisua varten.
ES514863A0 (es) Un metodo de produccion de una composicion de glicoproteinas vegetales enzimaticamente modificadas, termogelificables.
DE3561165D1 (en) Process for bleaching mechanical pulp with hydrogen peroxide
DE3780621D1 (de) Dynamischer ram-speicher.
NO163910C (no) Fremgangsmaate ved regulering av oxygenblekningsprosess for cellulose.
ES8400520A1 (es) Procedimiento para el tratamiento de pastas papeleras quimicas.
ES2016084B3 (es) Procedimiento para el blanqueo y la delignificacion de productos con celulosa
DE3882324D1 (de) Dynamischer ram-speicher.
ATE106961T1 (de) Bleichverfahren zur herstellung von hochweissem zellstoff.
DE69015294D1 (de) Bleichen von Holzstoff mit Enzymen.
FI862546A7 (fi) Menetelmä valkaisemattomien ja kloorattujen kemiallisten massojen käsittelemiseksi alkalilla, peroksidilla ja hapolla.
FI862437A7 (fi) Menetelmä peroksidivalkaistaessa selluloosapitoisia massoja.
BR9304873A (pt) Método para aperfeiçoar um processo enzimático, utilizando pelo menos uma enzima que apresenta atividade pectinase.
DE3676490D1 (de) Vorbehandlungsverfahren von pulpe mit stabilisierungsmitteln und peroxid vor der mechanischen raffinierung.
SE8700313L (sv) Forfarande for blekning av mekaniska massor
ES2061659T3 (es) Metodo para la racemizacion de serina opticamente activa.
FI941615A7 (fi) Menetelmä lignoselluloosapitoisten materiaalien, etenkin selluloosamas sojen entsymaattiseksi käsittelemiseksi
SU649769A1 (ru) Способ модификации вискозной нити

Legal Events

Date Code Title Description
FG2A Definitive protection

Ref document number: 487557

Country of ref document: ES