SE502172C2 - Förfarande för framställning av blekt cellulosamassa med en klorfri bleksekvens i närvaro av karbonat - Google Patents

Förfarande för framställning av blekt cellulosamassa med en klorfri bleksekvens i närvaro av karbonat

Info

Publication number
SE502172C2
SE502172C2 SE9304173A SE9304173A SE502172C2 SE 502172 C2 SE502172 C2 SE 502172C2 SE 9304173 A SE9304173 A SE 9304173A SE 9304173 A SE9304173 A SE 9304173A SE 502172 C2 SE502172 C2 SE 502172C2
Authority
SE
Sweden
Prior art keywords
pulp
liquid
bleaching
suspension
washing
Prior art date
Application number
SE9304173A
Other languages
English (en)
Swedish (sv)
Other versions
SE9304173D0 (sv
SE9304173L (sv
Inventor
Jan Georg Liden
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
Priority to SE9304173A priority Critical patent/SE502172C2/sv
Publication of SE9304173D0 publication Critical patent/SE9304173D0/xx
Priority to PCT/SE1994/001204 priority patent/WO1995016818A1/en
Priority to PT95919252T priority patent/PT734470E/pt
Priority to ES95919252T priority patent/ES2169132T3/es
Priority to AU12867/95A priority patent/AU678333B2/en
Priority to EP95919252A priority patent/EP0734470B1/de
Priority to US08/663,047 priority patent/US6126782A/en
Priority to DE69430009T priority patent/DE69430009T2/de
Priority to BR9408336A priority patent/BR9408336A/pt
Priority to AT95919252T priority patent/ATE213794T1/de
Priority to JP7516704A priority patent/JPH09506680A/ja
Priority to NZ277585A priority patent/NZ277585A/en
Priority to CA002178509A priority patent/CA2178509A1/en
Publication of SE9304173L publication Critical patent/SE9304173L/
Publication of SE502172C2 publication Critical patent/SE502172C2/sv
Priority to NO962525A priority patent/NO962525L/no
Priority to FI962477A priority 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)
SE9304173A 1993-12-15 1993-12-15 Förfarande för framställning av blekt cellulosamassa med en klorfri bleksekvens i närvaro av karbonat SE502172C2 (sv)

Priority Applications (15)

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
CA002178509A CA2178509A1 (en) 1993-12-15 1994-12-14 Method for the manufacture of bleached cellulose pulp
US08/663,047 US6126782A (en) 1993-12-15 1994-12-14 Method for non-chlorine bleaching of cellulose pulp with a totally closed counter-current liquid circuit
BR9408336A BR9408336A (pt) 1993-12-15 1994-12-14 Processo para fabricação de pasta de celulose branqueada
ES95919252T ES2169132T3 (es) 1993-12-15 1994-12-14 Metodo para la fabricacion de pasta de celulosa blanqueada.
AU12867/95A AU678333B2 (en) 1993-12-15 1994-12-14 Method for the manufacture of bleached cellulose pulp
EP95919252A EP0734470B1 (de) 1993-12-15 1994-12-14 Verfahren zur herstellung von gebleichtem zellstoff
PCT/SE1994/001204 WO1995016818A1 (en) 1993-12-15 1994-12-14 Method for the manufacture of bleached cellulose pulp
DE69430009T DE69430009T2 (de) 1993-12-15 1994-12-14 Verfahren zur herstellung von gebleichtem zellstoff
PT95919252T PT734470E (pt) 1993-12-15 1994-12-14 Processo para a fabricacao de pasta de celulose branqueada
AT95919252T ATE213794T1 (de) 1993-12-15 1994-12-14 Verfahren zur herstellung von gebleichtem zellstoff
JP7516704A JPH09506680A (ja) 1993-12-15 1994-12-14 漂白セルロースパルプの製造方法
NZ277585A NZ277585A (en) 1993-12-15 1994-12-14 Non chlorine-containing oxidative bleaching (o,p,z) [totally chlorine free (tcf)]; conveying washing suspension liquid countercurrently; suspension liquid has maximum ph of 10 after delignification
FI962477A FI112507B (fi) 1993-12-15 1996-06-14 Menetelmä valkaistun selluloosamassan valmistamiseksi
NO962525A NO962525L (no) 1993-12-15 1996-06-14 Fremgangsmåte for fremstilling av bleket cellulosemasse

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE9304173D0 SE9304173D0 (sv) 1993-12-15
SE9304173L SE9304173L (sv) 1995-06-16
SE502172C2 true SE502172C2 (sv) 1995-09-04

Family

ID=20392113

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9304173A SE502172C2 (sv) 1993-12-15 1993-12-15 Förfarande för framställning av blekt cellulosamassa med en klorfri bleksekvens i närvaro av karbonat

Country Status (15)

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

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1203643A (zh) * 1995-12-07 1998-12-30 贝洛特工艺技术公司 中等稠度纸浆的氧化去木质作用
US6702921B2 (en) * 2001-05-01 2004-03-09 Ondeo Nalco Company Methods to enhance pulp bleaching and delignification using an organic sulfide chelating agent
US8756791B2 (en) * 2001-10-17 2014-06-24 Eveready Battery Company, Inc. Tampon applicator
US20030105421A1 (en) * 2001-10-17 2003-06-05 Playtex Products, 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
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
US10259729B2 (en) 2014-09-04 2019-04-16 Clean Chemistry, Inc. Systems and method of water treatment utilizing reactive oxygen species and applications thereof
CA2981034C (en) 2015-03-26 2024-06-25 Clean Chemistry, Inc. Systems and methods of reducing a bacteria population in high hydrogen sulfide water
US10883224B2 (en) 2015-12-07 2021-01-05 Clean Chemistry, Inc. Methods of pulp fiber treatment
EP3386948B1 (de) * 2015-12-07 2025-03-05 Clean Chemistry, Inc. Verfahren zur behandlung von pulpefasern
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
CA3139301C (en) 2020-03-13 2022-09-13 Haldor Topsoe A/S Process and plant for producing hydrocarbons with reduced co2-footprint and improved hydrogen integration

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1988004706A1 (en) * 1986-12-22 1988-06-30 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
DE69019350T2 (de) * 1990-05-17 1996-02-15 Union Camp Patent Holding, Inc., Wilmington, Del. Umweltfreundlicheres verfahren zum bleichen von lignocellulosischen materialien.
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
NO962525D0 (no) 1996-06-14
NO962525L (no) 1996-08-01
WO1995016818A1 (en) 1995-06-22
AU1286795A (en) 1995-07-03
ATE213794T1 (de) 2002-03-15
EP0734470A1 (de) 1996-10-02
FI112507B (fi) 2003-12-15
NZ277585A (en) 1997-05-26
AU678333B2 (en) 1997-05-22
SE9304173D0 (sv) 1993-12-15
ES2169132T3 (es) 2002-07-01
DE69430009T2 (de) 2002-10-24
FI962477A0 (fi) 1996-06-14
SE9304173L (sv) 1995-06-16
CA2178509A1 (en) 1995-06-22
PT734470E (pt) 2002-07-31
FI962477A7 (fi) 1996-08-14
DE69430009D1 (de) 2002-04-04
EP0734470B1 (de) 2002-02-27
US6126782A (en) 2000-10-03
BR9408336A (pt) 1997-08-19
JPH09506680A (ja) 1997-06-30

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Legal Events

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NUG Patent has lapsed