ATE228181T1 - Verfahren zum waschen von zellstoff beim bleichen - Google Patents

Verfahren zum waschen von zellstoff beim bleichen

Info

Publication number
ATE228181T1
ATE228181T1 AT98113684T AT98113684T ATE228181T1 AT E228181 T1 ATE228181 T1 AT E228181T1 AT 98113684 T AT98113684 T AT 98113684T AT 98113684 T AT98113684 T AT 98113684T AT E228181 T1 ATE228181 T1 AT E228181T1
Authority
AT
Austria
Prior art keywords
washer
washing
bleaching
pulp
pulp during
Prior art date
Application number
AT98113684T
Other languages
German (de)
English (en)
Inventor
Kaj Henricson
Bertil Stromberg
Original Assignee
Andritz 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=8537491&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE228181(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andritz Oy filed Critical Andritz Oy
Application granted granted Critical
Publication of ATE228181T1 publication Critical patent/ATE228181T1/de

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
    • 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
    • D21C9/1026—Other features in bleaching 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
    • 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
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the 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
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1042—Use of chelating agents
    • 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
    • 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
    • D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone
    • 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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
AT98113684T 1993-03-03 1993-05-25 Verfahren zum waschen von zellstoff beim bleichen ATE228181T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI930954A FI93232C (fi) 1993-03-03 1993-03-03 Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
EP93910051A EP0687321B1 (fr) 1993-03-03 1993-05-25 Procede de blanchiment de pate au moyen de produits chimiques sans chlorure

Publications (1)

Publication Number Publication Date
ATE228181T1 true ATE228181T1 (de) 2002-12-15

Family

ID=8537491

Family Applications (2)

Application Number Title Priority Date Filing Date
AT98113684T ATE228181T1 (de) 1993-03-03 1993-05-25 Verfahren zum waschen von zellstoff beim bleichen
AT93910051T ATE176808T1 (de) 1993-03-03 1993-05-25 Verfahren zum bleichen von zellstoff mit chlorfreien chemikalien

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT93910051T ATE176808T1 (de) 1993-03-03 1993-05-25 Verfahren zum bleichen von zellstoff mit chlorfreien chemikalien

Country Status (13)

Country Link
EP (2) EP0687321B1 (fr)
JP (1) JP3276083B2 (fr)
AT (2) ATE228181T1 (fr)
AU (1) AU5370594A (fr)
BR (1) BR9307858A (fr)
CA (1) CA2157109C (fr)
DE (2) DE69323566T2 (fr)
ES (2) ES2130260T3 (fr)
FI (3) FI93232C (fr)
NO (1) NO953444L (fr)
PT (1) PT884415E (fr)
RU (1) RU2126471C1 (fr)
WO (1) WO1994020673A1 (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI89516B (fi) 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
FI103818B (fi) * 1995-02-21 1999-09-30 Ahlstrom Machinery Oy Menetelmä massan valkaisemiseksi
US20080110584A1 (en) * 2006-11-15 2008-05-15 Caifang Yin Bleaching process with at least one extraction stage
FR2910027B1 (fr) * 2006-12-13 2009-11-06 Itt Mfg Enterprises Inc Procede de blanchiment des pates papeteries chimiques par traitement final a l'ozone a haute temperature
FI119062B (fi) * 2006-12-28 2008-07-15 Upm Kymmene Corp Menetelmä mekaanisen massan valmistamiseksi
ES2752755T3 (es) 2009-05-28 2020-04-06 Gp Cellulose Gmbh Celulosa modificada de fibra química kraft y métodos de producción y uso de la misma
AU2012268700B2 (en) 2011-05-23 2017-02-02 Gp Cellulose Gmbh Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same
MX366988B (es) 2012-01-12 2019-08-01 Gp Cellulose Gmbh Fibra kraft de baja viscosidad que tiene propiedades de amarillez reducida, y metodos para prepararla y usarla.
EP3495550A1 (fr) 2012-04-18 2019-06-12 GP Cellulose GmbH Utilisation d'un tensioactif pour traiter de la pâte et améliorer l'incorporation d'une pâte kraft dans une fibre pour la production de viscose et d'autres produits de fibre secondaire
MX365675B (es) 2013-02-08 2019-06-10 Gp Cellulose Gmbh Fibra kraft de madera blanda que tiene un contenido mejorado de a-celulosa, y su uso en la produccion de productos de celulosa quimica.
EP2971334A2 (fr) 2013-03-14 2016-01-20 GP Cellulose GmbH Procédé de fabrication d'une fibre kraft extrêmement fonctionnelle et de viscosité faible, en utilisant une séquence de blanchiment acide, et fibre fabriquée par ce procédé
CA2901915A1 (fr) 2013-03-15 2014-09-18 Gp Cellulose Gmbh Fibre kraft a faible viscosite ayant une teneur en carboxyle amelioree et procedes de production et d'utilisation de celle-ci
FR3007044B1 (fr) * 2013-06-13 2016-01-15 Air Liquide Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium
AT515152B1 (de) * 2013-11-26 2015-12-15 Chemiefaser Lenzing Ag Verfahren zum Vorbehandeln von rückgewonnenen Baumwollfasern zur Verwendung bei der Herstellung von Formkörpern aus regenerierter Cellulose
WO2018093697A1 (fr) 2016-11-16 2018-05-24 Gp Cellulose Gmbh Cellulose modifiée à base de fibres chimiques et procédés de fabrication et d'utilisation de ladite cellulose modifiée
SE544236C2 (en) * 2020-12-21 2022-03-08 Valmet Oy Method for bleaching pulp from recycled textile material
SE545759C2 (en) * 2022-06-20 2024-01-02 Valmet Oy Method for bleaching pulp from recycled textile material

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO144711C (no) * 1978-04-04 1981-10-21 Myrens Verksted As Fremgangsmaate til bleking av oksygendelignifiserte celluloseholdige masser med ozon
US4310384A (en) * 1979-01-11 1982-01-12 Weyerhaeuser Company Reducing chemical transfer between treatment stages
FI74752C (fi) * 1986-03-20 1992-12-01 Ahlstroem Oy Foerfarande och anordning foer tvaettning av cellulosa
DE69004492T3 (de) * 1989-06-06 2001-11-15 Eka Nobel Ab, Bohus Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
SU1675451A1 (ru) * 1989-09-25 1991-09-07 Центральный научно-исследовательский институт бумаги Способ подготовки волокнистого полуфабриката к отливу бумажного полотна при изготовлении бумаги
AU636173B2 (en) * 1989-10-30 1993-04-22 Lenzing Aktiengesellschaft Method for the chlorine-free bleaching of pulps
US5567262A (en) * 1991-04-16 1996-10-22 Ahlstrom Machinery Inc. Two stage pressure diffuser
SE468355B (sv) * 1991-04-30 1992-12-21 Eka Nobel Ab Blekning av kemisk massa genom behandling med komplexbildare och ozon
AT400153B (de) * 1991-05-02 1995-10-25 Voest Alpine Ind Anlagen Verfahren zum bleichen von xylan- und lignocellulosehältigen materialien

Also Published As

Publication number Publication date
DE69323566T2 (de) 1999-07-15
WO1994020673A1 (fr) 1994-09-15
PT884415E (pt) 2003-03-31
RU2126471C1 (ru) 1999-02-20
JP3276083B2 (ja) 2002-04-22
EP0884415A1 (fr) 1998-12-16
FI98223B (fi) 1997-01-31
EP0884415B1 (fr) 2002-11-20
FI954093A0 (fi) 1995-08-30
JPH08509781A (ja) 1996-10-15
FI930954A0 (fi) 1993-03-03
FI93232B (fi) 1994-11-30
ES2130260T3 (es) 1999-07-01
FI934036A0 (fi) 1993-09-15
DE69332508D1 (de) 2003-01-02
ES2186948T3 (es) 2003-05-16
FI954093A7 (fi) 1995-10-17
AU5370594A (en) 1994-09-26
EP0687321B1 (fr) 1999-02-17
NO953444L (no) 1995-10-19
EP0687321A1 (fr) 1995-12-20
BR9307858A (pt) 1996-02-27
DE69332508T2 (de) 2003-07-03
ATE176808T1 (de) 1999-03-15
CA2157109C (fr) 2002-09-03
FI93232C (fi) 1995-03-10
NO953444D0 (no) 1995-09-01
CA2157109A1 (fr) 1994-09-15
FI930954L (fi) 1994-09-04
DE69323566D1 (de) 1999-03-25
FI934036L (fi) 1994-09-04

Similar Documents

Publication Publication Date Title
DE69332508D1 (de) Verfahren zum Waschen von Zellstoff beim Bleichen
DE69026330D1 (de) Flüssige Detergenszusammensetzung zum Waschen und Weichmachen von Geweben
DE69004492D1 (de) Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
DE69415619D1 (de) Behandlung von bleichanlageabwässern
DE69113223D1 (de) Verfahren zum Färben von gemischten anionisch/kationischen Polyamid-Geweben.
ATE14762T1 (de) Verfahren zur verbesserung des waschens von cellulosepulpen, hergestellt aus lignocellulosematerial.
DE69012822D1 (de) Verfahren und Vorrichtung zum Waschen und Trocknen von Wäsche.
DE69401309D1 (de) Maschine zum Waschen und Spülen von Wäsche
ATA297885A (de) Fluessiges waschmittel und verfahren zum waschen und weichmachen von textilien
ATE39269T1 (de) Verfahren und vorrichtung zur einsparung von wasser bei waschmaschinen.
EP0584710A3 (fr) Procédé de blanchiment de textiles.
DE59710165D1 (de) Verfahren zum Färben von textilen Substraten
DE69610796D1 (de) Wäschewaschmaschine mit Vorrichtung zum Filtern der Waschlauge
EP0720676A4 (fr) Procede ameliore de blanchiment de pate lignocellulosique
SE9803052D0 (sv) Blekning av massa
AT365227B (de) Textilwaschmittel und verfahren zum waschen von textilien
ES2148126T1 (es) Un pantalla mecanicamente limpiable.
DE59203937D1 (de) Verfahren zum Waschen und Bleichen von Wäsche.
DE59202566D1 (de) Verfahren zum Klotzfärben von Zellulosefasern mit Schwefelschwarzfarbstoffen.
DE69325070D1 (de) Verfahren zum Bleichen von chemisch aufgelösten Lignocellulose enthaltenden Zellstoffen
DE68911210D1 (de) Waschverfahren.
BR9407975A (pt) Processo de separaçao de ions de metal de pasta de material contendo lignocelulose
DE69422125D1 (de) Dispersionsfarbstoffmischung und Verfahren zum Färben von hydrophoben Fasern
TH19234A (th) วิธีการบำบัดเยื่อกระดาษ
DE3045465A1 (de) Verfahren zum waschen, faerben oder sonstigem behandeln von waesche oder anderen kleidungstuecken und maschine zum ausfuehren dieses verfahrens

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties