FI991365A0 - Bleach activator and method for operating the activator - Google Patents

Bleach activator and method for operating the activator

Info

Publication number
FI991365A0
FI991365A0 FI991365A FI991365A FI991365A0 FI 991365 A0 FI991365 A0 FI 991365A0 FI 991365 A FI991365 A FI 991365A FI 991365 A FI991365 A FI 991365A FI 991365 A0 FI991365 A0 FI 991365A0
Authority
FI
Finland
Prior art keywords
activator
operating
bleach
bleach activator
triformic
Prior art date
Application number
FI991365A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI107544B (en
FI991365A (en
Inventor
Jukka Jaekaerae
Aarto Paren
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/en
Priority to FI991365A priority Critical patent/FI107544B/en
Priority to PCT/FI2000/000534 priority patent/WO2000077297A1/en
Priority to EP00936928A priority patent/EP1244842B1/en
Priority to AT00936928T priority patent/ATE257191T1/en
Priority to CA002374754A priority patent/CA2374754A1/en
Priority to AU52247/00A priority patent/AU5224700A/en
Priority to DE60007559T priority patent/DE60007559D1/en
Publication of FI991365A publication Critical patent/FI991365A/en
Application granted granted Critical
Publication of FI107544B publication Critical patent/FI107544B/en
Priority to NO20016082A priority patent/NO20016082L/en

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)

Abstract

The invention relates to a bleaching activator that can be used to improve the opacity of bleached pulps containing lignin, and to a method for using the activator. The activator is mono-, di- or triformic, acetic or propionic ester of glycerol.
FI991365A 1999-06-15 1999-06-15 Bleach activator and method for operating the activator FI107544B (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
FI991365A FI107544B (en) 1999-06-15 1999-06-15 Bleach activator and method for operating the activator
CA002374754A CA2374754A1 (en) 1999-06-15 2000-06-14 Bleaching activator and process for using the activator
EP00936928A EP1244842B1 (en) 1999-06-15 2000-06-14 A peroxide bleaching solution comprising a bleaching activator and method for using the activator
AT00936928T ATE257191T1 (en) 1999-06-15 2000-06-14 A PEROXIDE BLEACH SOLUTION CONTAINING A BLEACH ACTIVATOR AND METHOD FOR USE
PCT/FI2000/000534 WO2000077297A1 (en) 1999-06-15 2000-06-14 Bleaching activator and process for using the activator
AU52247/00A AU5224700A (en) 1999-06-15 2000-06-14 Bleaching activator and process for using the activator
DE60007559T DE60007559D1 (en) 1999-06-15 2000-06-14 A PEROXIDE SOLUTION FOR THE BLEACHES CONTAINING A BLEACH ACTIVATOR AND METHOD FOR ITS USE
NO20016082A NO20016082L (en) 1999-06-15 2001-12-13 Ink activator and method of use thereof

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI991365A FI107544B (en) 1999-06-15 1999-06-15 Bleach activator and method for operating the activator
FI991365 1999-06-15

Publications (3)

Publication Number Publication Date
FI991365A0 true FI991365A0 (en) 1999-06-15
FI991365A FI991365A (en) 2000-12-16
FI107544B FI107544B (en) 2001-08-31

Family

ID=8554885

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991365A FI107544B (en) 1999-06-15 1999-06-15 Bleach activator and method for operating the activator

Country Status (8)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102009045628A1 (en) 2009-10-13 2011-04-14 Henkel Ag & Co. Kgaa Bleach activators for processes for bleaching cellulosic fibers
AU2016369505B2 (en) 2015-12-16 2019-08-15 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning
EP4147574A1 (en) 2016-04-15 2023-03-15 Ecolab USA Inc. Performic acid biofilm prevention for industrial co2 scrubbers
CA3045775C (en) 2016-12-15 2021-07-27 Ecolab Usa Inc. Peroxyformic acid compositions for membrane filtration cleaning in energy services

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5927436B2 (en) * 1979-05-29 1984-07-05 王子製紙株式会社 Peroxide bleaching method for wood pulp
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
WO1995021290A1 (en) * 1994-02-07 1995-08-10 Warwick International Group Limited Pulp bleaching

Also Published As

Publication number Publication date
FI107544B (en) 2001-08-31
ATE257191T1 (en) 2004-01-15
EP1244842A1 (en) 2002-10-02
EP1244842B1 (en) 2004-01-02
DE60007559D1 (en) 2004-02-05
FI991365A (en) 2000-12-16
WO2000077297A1 (en) 2000-12-21
NO20016082D0 (en) 2001-12-13
CA2374754A1 (en) 2000-12-21
NO20016082L (en) 2002-02-14
AU5224700A (en) 2001-01-02

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