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FI107544B - En blekningsaktivator och förfarande för användning av aktivatorn - Google Patents

En blekningsaktivator och förfarande för användning av aktivatorn Download PDF

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Publication number
FI107544B
FI107544B FI991365A FI991365A FI107544B FI 107544 B FI107544 B FI 107544B FI 991365 A FI991365 A FI 991365A FI 991365 A FI991365 A FI 991365A FI 107544 B FI107544 B FI 107544B
Authority
FI
Finland
Prior art keywords
activator
bleaching
pulp
bleach
peroxide
Prior art date
Application number
FI991365A
Other languages
English (en)
Finnish (fi)
Other versions
FI991365L (sv
FI991365A0 (sv
Inventor
Aarto Paren
Jukka Jaekaerae
Original Assignee
Kemira Chemicals 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
Application filed by Kemira Chemicals Oy filed Critical Kemira Chemicals Oy
Publication of FI991365A0 publication Critical patent/FI991365A0/sv
Priority to FI991365A priority Critical patent/FI107544B/sv
Priority to PCT/FI2000/000534 priority patent/WO2000077297A1/en
Priority to CA002374754A priority patent/CA2374754A1/en
Priority to AT00936928T priority patent/ATE257191T1/de
Priority to AU52247/00A priority patent/AU5224700A/en
Priority to DE60007559T priority patent/DE60007559D1/de
Priority to EP00936928A priority patent/EP1244842B1/en
Publication of FI991365L publication Critical patent/FI991365L/sv
Application granted granted Critical
Publication of FI107544B publication Critical patent/FI107544B/sv
Priority to NO20016082A priority patent/NO20016082L/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Detergent Compositions (AREA)
  • Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
  • Cosmetics (AREA)

Claims (9)

1. Blekningsaktivator för lignin innehällande pappersmassa, kännetecknad av att aktivatorn är glycerolens, 5 myrsyrans, ättiksyrans eller propionsyrans mono-, di- eller triester.
2. Blekningsaktivator enligt patentkrav 1, kännetecknad av att aktivatorn är glyceroltriacetat. 10
3. Blekningsaktivator enligt patentkrav 1, kännetecknad av att aktivatorn är glyceroldiacetat.
4. Blekningsaktivator enligt patentkrav 1, känneteck-15 n a d av att aktivatorn används vid peroxidblekning av ke- misk eller mekanisk massa.
5. Blekningsaktivator enligt patentkrav 1, känneteck- _ n a d av att mängden använd aktivator är 0,2-5 kg/ton massa. 20
6. Blekningsaktivator enligt patentkrav 1, kännetecknad av att mängden använd aktivator är fördelaktigt 1-3 kg/ton massa.
7. Blekningsaktivator enligt patentkrav 1, känneteck nad av att bleklösningen, som innehäller aktivatorn, kan därtill innehälla kelateringsämnen, stabilisatorer, lut och vattenglas.
8. Blekningsaktivator enligt patentkrav 1, känneteck nad av att aktivatorn kan användas tillsammans med perät-tiksyra.
9. Förfarande för blekning av lignin innehällande massa, 35 kännetecnatav att tili bleklösningen, som innehäller väteperoxid, tillsätts för förbättrandet av opaciteten en aktivator enligt patentkrav 1.
FI991365A 1999-06-15 1999-06-15 En blekningsaktivator och förfarande för användning av aktivatorn FI107544B (sv)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI991365A FI107544B (sv) 1999-06-15 1999-06-15 En blekningsaktivator och förfarande för användning av aktivatorn
AU52247/00A AU5224700A (en) 1999-06-15 2000-06-14 Bleaching activator and process for using the activator
CA002374754A CA2374754A1 (en) 1999-06-15 2000-06-14 Bleaching activator and process for using the activator
AT00936928T ATE257191T1 (de) 1999-06-15 2000-06-14 Eine peroxidlösung für die bleiche enthaltend einen bleichaktivator und verfahren zu seiner verwendung
PCT/FI2000/000534 WO2000077297A1 (en) 1999-06-15 2000-06-14 Bleaching activator and process for using the activator
DE60007559T DE60007559D1 (de) 1999-06-15 2000-06-14 Eine peroxidlösung für die bleiche enthaltend einen bleichaktivator und verfahren zu seiner verwendung
EP00936928A EP1244842B1 (en) 1999-06-15 2000-06-14 A peroxide bleaching solution comprising a bleaching activator and method for using the activator
NO20016082A NO20016082L (no) 1999-06-15 2001-12-13 Blekeaktivator og fremgangsmåte for anvendelse derav

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI991365 1999-06-15
FI991365A FI107544B (sv) 1999-06-15 1999-06-15 En blekningsaktivator och förfarande för användning av aktivatorn

Publications (3)

Publication Number Publication Date
FI991365A0 FI991365A0 (sv) 1999-06-15
FI991365L FI991365L (sv) 2000-12-16
FI107544B true FI107544B (sv) 2001-08-31

Family

ID=8554885

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991365A FI107544B (sv) 1999-06-15 1999-06-15 En blekningsaktivator och förfarande för användning av aktivatorn

Country Status (8)

Country Link
EP (1) EP1244842B1 (sv)
AT (1) ATE257191T1 (sv)
AU (1) AU5224700A (sv)
CA (1) CA2374754A1 (sv)
DE (1) DE60007559D1 (sv)
FI (1) FI107544B (sv)
NO (1) NO20016082L (sv)
WO (1) WO2000077297A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045628A1 (de) 2009-10-13 2011-04-14 Henkel Ag & Co. Kgaa Bleichaktivatoren für Verfahren zum Bleichen von cellulosischen Faserstoffen
WO2017106623A1 (en) 2015-12-16 2017-06-22 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning
WO2017181005A1 (en) 2016-04-15 2017-10-19 Ecolab Usa Inc. Performic acid biofilm prevention for industrial co2 scrubbers
BR112019010464B1 (pt) 2016-12-15 2024-02-06 Ecolab Usa Inc Método para remover micro-organismos e depósitos minerais em um sistema de membrana

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927436B2 (ja) * 1979-05-29 1984-07-05 王子製紙株式会社 木材パルプの過酸化物漂白方法
AU643077B2 (en) * 1990-10-19 1993-11-04 Unilever Plc Detergent compositions
GB9302442D0 (en) * 1993-02-08 1993-03-24 Warwick Int Group Oxidising agents
AU1584295A (en) * 1994-02-07 1995-08-21 Warwick International Group Limited Pulp bleaching

Also Published As

Publication number Publication date
ATE257191T1 (de) 2004-01-15
AU5224700A (en) 2001-01-02
NO20016082L (no) 2002-02-14
EP1244842B1 (en) 2004-01-02
DE60007559D1 (de) 2004-02-05
EP1244842A1 (en) 2002-10-02
WO2000077297A1 (en) 2000-12-21
FI991365L (sv) 2000-12-16
NO20016082D0 (no) 2001-12-13
CA2374754A1 (en) 2000-12-21
FI991365A0 (sv) 1999-06-15

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