NO962525D0 - Fremgangsmåte for fremstilling av bleket cellulosemasse - Google Patents

Fremgangsmåte for fremstilling av bleket cellulosemasse

Info

Publication number
NO962525D0
NO962525D0 NO962525A NO962525A NO962525D0 NO 962525 D0 NO962525 D0 NO 962525D0 NO 962525 A NO962525 A NO 962525A NO 962525 A NO962525 A NO 962525A NO 962525 D0 NO962525 D0 NO 962525D0
Authority
NO
Norway
Prior art keywords
cellulose pulp
pct
pulp
bleaching
treatment
Prior art date
Application number
NO962525A
Other languages
English (en)
Other versions
NO962525L (no
Inventor
Jan Georg Linden
Lars Aake Gunnar Ahlenius
Otto Sten Axel Gusta Lindeberg
Sture Erik Olof Noreus
Original Assignee
Mo Och Domsjoe Ab
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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of NO962525D0 publication Critical patent/NO962525D0/no
Publication of NO962525L publication Critical patent/NO962525L/no

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
    • D21C9/1057—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
    • D21C9/1026—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
    • D21C9/147—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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
  • Treatment Of Fiber Materials (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
NO962525A 1993-12-15 1996-06-14 Fremgangsmåte for fremstilling av bleket cellulosemasse NO962525L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9304173A SE502172C2 (sv) 1993-12-15 1993-12-15 Förfarande för framställning av blekt cellulosamassa med en klorfri bleksekvens i närvaro av karbonat
PCT/SE1994/001204 WO1995016818A1 (en) 1993-12-15 1994-12-14 Method for the manufacture of bleached cellulose pulp

Publications (2)

Publication Number Publication Date
NO962525D0 true NO962525D0 (no) 1996-06-14
NO962525L NO962525L (no) 1996-08-01

Family

ID=20392113

Family Applications (1)

Application Number Title Priority Date Filing Date
NO962525A NO962525L (no) 1993-12-15 1996-06-14 Fremgangsmåte for fremstilling av bleket cellulosemasse

Country Status (15)

Country Link
US (1) US6126782A (no)
EP (1) EP0734470B1 (no)
JP (1) JPH09506680A (no)
AT (1) ATE213794T1 (no)
AU (1) AU678333B2 (no)
BR (1) BR9408336A (no)
CA (1) CA2178509A1 (no)
DE (1) DE69430009T2 (no)
ES (1) ES2169132T3 (no)
FI (1) FI112507B (no)
NO (1) NO962525L (no)
NZ (1) NZ277585A (no)
PT (1) PT734470E (no)
SE (1) SE502172C2 (no)
WO (1) WO1995016818A1 (no)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0866895B1 (en) * 1995-12-07 2000-06-14 Beloit Technologies, Inc. Oxygen delignification of medium consistency pulp slurry
US6702921B2 (en) * 2001-05-01 2004-03-09 Ondeo Nalco Company Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent
US20030105421A1 (en) * 2001-10-17 2003-06-05 Playtex Products, Inc. Tampon applicator
US8756791B2 (en) * 2001-10-17 2014-06-24 Eveready Battery Company, Inc. Tampon applicator
US20040000012A1 (en) * 2002-06-26 2004-01-01 Borregaard Chemcell Treatment of a mixture containing cellulose
WO2012166997A2 (en) 2011-05-31 2012-12-06 Clean Chemistry, Llc Electrochemical reactor and process
US20170107128A1 (en) 2012-09-07 2017-04-20 Clean Chemistry, Inc. System and method for generation of reactive oxygen species and applications thereof
CN102852019B (zh) * 2012-09-18 2014-08-20 四川理工学院 一种大千书画纸生产用竹浆的全无氯漂白方法
CA2960104C (en) 2014-09-04 2023-05-02 Clean Chemistry, Inc. Method of water treatment utilizing a peracetate oxidant solution
US10472265B2 (en) 2015-03-26 2019-11-12 Clean Chemistry, Inc. Systems and methods of reducing a bacteria population in high hydrogen sulfide water
WO2017100299A1 (en) 2015-12-07 2017-06-15 Clean Chemistry, Inc. Methods of pulp fiber treatment
US10883224B2 (en) 2015-12-07 2021-01-05 Clean Chemistry, Inc. Methods of pulp fiber treatment
US11136714B2 (en) 2016-07-25 2021-10-05 Clean Chemistry, Inc. Methods of optical brightening agent removal
US11001864B1 (en) 2017-09-07 2021-05-11 Clean Chemistry, Inc. Bacterial control in fermentation systems
US11311012B1 (en) 2017-09-07 2022-04-26 Clean Chemistry, Inc. Bacterial control in fermentation systems

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0296198B1 (en) * 1986-12-22 1991-09-18 Aga Aktiebolag Method for washing of alcaline pulp
DE402335T1 (de) * 1989-06-06 1992-04-09 Eka Nobel Ab, Surte Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.
SE466061B (sv) * 1990-04-23 1991-12-09 Eka Nobel Ab Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
EP0483163B1 (en) * 1990-05-17 1995-05-10 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials
SE468355B (sv) * 1991-04-30 1992-12-21 Eka Nobel Ab Blekning av kemisk massa genom behandling med komplexbildare och ozon
SE9201477L (sv) * 1992-05-11 1993-06-28 Kamyr Ab Saett vid blekning av massa utan anvaendning av klorkemikalier
SE500113C2 (sv) * 1992-07-09 1994-04-18 Kamyr Ab Sätt vid blekning av massa för omhändertagande av utlösta metaller
US5639347A (en) * 1993-03-24 1997-06-17 Ahlstrom Machinery Inc. Method of controlling of metals in a bleach plant, using oxidation
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
US5401362A (en) * 1993-03-24 1995-03-28 Kamyr, Inc. Control of metals and dissolved organics in the bleach plant

Also Published As

Publication number Publication date
FI112507B (fi) 2003-12-15
CA2178509A1 (en) 1995-06-22
SE502172C2 (sv) 1995-09-04
ATE213794T1 (de) 2002-03-15
DE69430009T2 (de) 2002-10-24
NZ277585A (en) 1997-05-26
JPH09506680A (ja) 1997-06-30
DE69430009D1 (de) 2002-04-04
NO962525L (no) 1996-08-01
EP0734470B1 (en) 2002-02-27
FI962477A (fi) 1996-08-14
AU678333B2 (en) 1997-05-22
WO1995016818A1 (en) 1995-06-22
SE9304173L (sv) 1995-06-16
AU1286795A (en) 1995-07-03
PT734470E (pt) 2002-07-31
EP0734470A1 (en) 1996-10-02
ES2169132T3 (es) 2002-07-01
SE9304173D0 (sv) 1993-12-15
BR9408336A (pt) 1997-08-19
US6126782A (en) 2000-10-03
FI962477A0 (fi) 1996-06-14

Similar Documents

Publication Publication Date Title
NO962525L (no) Fremgangsmåte for fremstilling av bleket cellulosemasse
NO180495C (no) Fremgangsmåte ved delignifisering og bleking av kjemisk oppsluttet lignocelluloseholdig materiale
NO307260B1 (no) Fremgangsmåte ved delignifisering og bleking av lignocelluloseholdig masse
NO180797C (no) Fremgangsmåte ved delignifisering og bleking av kjemisk oppsluttet lignocelluloseholdig materiale
FI963985A0 (fi) Menetelmä massan kompleksikäsittelylle klooridioksidivaiheen yhteydessä
FI934036A (fi) Menetelmä massan valkaisemiseksi kloorivapailla kemikaaleilla
SE9700992L (sv) Förfarande för blekning av kraftmassa
SE0200981D0 (sv) Process for bleaching lignocellulose-containing non-wood pulp
NO306737B1 (no) Fremgangsmåte ved bleking av lignocelluloseholdig masse
SE9301984L (sv) Klorfri blekning av kemisk pappersmassa

Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application