FI112507B - Menetelmä valkaistun selluloosamassan valmistamiseksi - Google Patents

Menetelmä valkaistun selluloosamassan valmistamiseksi Download PDF

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Publication number
FI112507B
FI112507B FI962477A FI962477A FI112507B FI 112507 B FI112507 B FI 112507B FI 962477 A FI962477 A FI 962477A FI 962477 A FI962477 A FI 962477A FI 112507 B FI112507 B FI 112507B
Authority
FI
Finland
Prior art keywords
pulp
suspension
bleaching
liquid
process according
Prior art date
Application number
FI962477A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI962477A (fi
FI962477A0 (fi
Inventor
Sture Erik Olof Noreus
Otto Sten Alex Gusta Lindeberg
Jan Georg Liden
Lars Aake Gunnar Ahlenius
Original Assignee
Real Sverige Ab M
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 Real Sverige Ab M filed Critical Real Sverige Ab M
Publication of FI962477A0 publication Critical patent/FI962477A0/fi
Publication of FI962477A publication Critical patent/FI962477A/fi
Application granted granted Critical
Publication of FI112507B publication Critical patent/FI112507B/fi

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)
FI962477A 1993-12-15 1996-06-14 Menetelmä valkaistun selluloosamassan valmistamiseksi FI112507B (fi)

Applications Claiming Priority (4)

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
SE9304173 1993-12-15
SE9401204 1994-12-14
PCT/SE1994/001204 WO1995016818A1 (en) 1993-12-15 1994-12-14 Method for the manufacture of bleached cellulose pulp

Publications (3)

Publication Number Publication Date
FI962477A0 FI962477A0 (fi) 1996-06-14
FI962477A FI962477A (fi) 1996-08-14
FI112507B true FI112507B (fi) 2003-12-15

Family

ID=20392113

Family Applications (1)

Application Number Title Priority Date Filing Date
FI962477A FI112507B (fi) 1993-12-15 1996-06-14 Menetelmä valkaistun selluloosamassan valmistamiseksi

Country Status (15)

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

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69608910T2 (de) * 1995-12-07 2001-01-18 Beloit Technologies, Inc. Delignifizierung eines papierzellstoffs mittlerer konsistenz mittels sauerstoff
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
US9551076B2 (en) 2011-05-31 2017-01-24 Clean Chemistry, Inc. Electrochemical reactor and process
US9517955B2 (en) 2012-09-07 2016-12-13 Clean Chemistry, Llc System and method for generation of point of use reactive oxygen species
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
US10259729B2 (en) 2014-09-04 2019-04-16 Clean Chemistry, Inc. Systems and method of water treatment utilizing reactive oxygen species and applications thereof
WO2016154531A1 (en) 2015-03-26 2016-09-29 Clean Chemistry, Inc. Systems and methods of reducing a bacteria population in high hydrogen sulfide water
US20170159237A1 (en) 2015-12-07 2017-06-08 Clean Chemistry 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
US11311012B1 (en) 2017-09-07 2022-04-26 Clean Chemistry, Inc. Bacterial control in fermentation systems
US11001864B1 (en) 2017-09-07 2021-05-11 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
DE69004492T3 (de) * 1989-06-06 2001-11-15 Eka Nobel Ab, Bohus 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
WO1991018145A1 (en) * 1990-05-17 1991-11-28 Union Camp Corporation 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
SE469387B (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
BR9408336A (pt) 1997-08-19
AU678333B2 (en) 1997-05-22
PT734470E (pt) 2002-07-31
NO962525L (no) 1996-08-01
NO962525D0 (no) 1996-06-14
SE502172C2 (sv) 1995-09-04
NZ277585A (en) 1997-05-26
EP0734470A1 (en) 1996-10-02
WO1995016818A1 (en) 1995-06-22
CA2178509A1 (en) 1995-06-22
DE69430009T2 (de) 2002-10-24
DE69430009D1 (de) 2002-04-04
ATE213794T1 (de) 2002-03-15
FI962477A (fi) 1996-08-14
US6126782A (en) 2000-10-03
EP0734470B1 (en) 2002-02-27
SE9304173L (sv) 1995-06-16
AU1286795A (en) 1995-07-03
JPH09506680A (ja) 1997-06-30
FI962477A0 (fi) 1996-06-14
ES2169132T3 (es) 2002-07-01
SE9304173D0 (sv) 1993-12-15

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