[go: up one dir, main page]

AU5224700A - Bleaching activator and process for using the activator - Google Patents

Bleaching activator and process for using the activator

Info

Publication number
AU5224700A
AU5224700A AU52247/00A AU5224700A AU5224700A AU 5224700 A AU5224700 A AU 5224700A AU 52247/00 A AU52247/00 A AU 52247/00A AU 5224700 A AU5224700 A AU 5224700A AU 5224700 A AU5224700 A AU 5224700A
Authority
AU
Australia
Prior art keywords
activator
bleaching
triformic
opacity
glycerol
Prior art date
Legal status (The legal status 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 status listed.)
Abandoned
Application number
AU52247/00A
Inventor
Jukka Jakara
Aarto Paren
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kemira Chemicals Oy
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 AU5224700A publication Critical patent/AU5224700A/en
Abandoned legal-status Critical Current

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.
AU52247/00A 1999-06-15 2000-06-14 Bleaching activator and process for using the activator Abandoned AU5224700A (en)

Applications Claiming Priority (3)

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
PCT/FI2000/000534 WO2000077297A1 (en) 1999-06-15 2000-06-14 Bleaching activator and process for using the activator

Publications (1)

Publication Number Publication Date
AU5224700A true AU5224700A (en) 2001-01-02

Family

ID=8554885

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52247/00A Abandoned AU5224700A (en) 1999-06-15 2000-06-14 Bleaching activator and process for using 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
US10278392B2 (en) 2016-04-15 2019-05-07 Ecolab Usa Inc. Performic acid biofilm prevention for industrial CO2 scrubbers
US10524470B2 (en) 2016-12-15 2020-01-07 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
AU1584295A (en) * 1994-02-07 1995-08-21 Warwick International Group Limited Pulp bleaching

Also Published As

Publication number Publication date
FI991365A (en) 2000-12-16
FI107544B (en) 2001-08-31
EP1244842B1 (en) 2004-01-02
FI991365A0 (en) 1999-06-15
WO2000077297A1 (en) 2000-12-21
NO20016082L (en) 2002-02-14
CA2374754A1 (en) 2000-12-21
ATE257191T1 (en) 2004-01-15
NO20016082D0 (en) 2001-12-13
DE60007559D1 (en) 2004-02-05
EP1244842A1 (en) 2002-10-02

Similar Documents

Publication Publication Date Title
AU2503195A (en) Method of sizing and aqueous sizing dispersion
NO174722C (en) Process for bleaching cellulose pulp and use of enzymes
AU2617295A (en) Method and enzymatic preparation for treatment of cellulose pulps
NO972996D0 (en) Bleaching of Filled Paper
AU5224700A (en) Bleaching activator and process for using the activator
AU660435B2 (en) Method of pretreating lignocellulosic materials prior to alkaline peroxide high yield pulping
AU3602295A (en) Process for delignification and bleaching of chemical wood pulps
AU6141286A (en) Process for the use of ligninolytic enzymes
AU5396200A (en) Bleaching of lignin and process for producing paper
AU5892094A (en) Novel method of bleaching of lignocellulosic pulp using persulphate
NO973596D0 (en) Method of making pulp
AU5056198A (en) Bleaching of cellulosic pulp with ozone and peracid
AU2202188A (en) Method of bleaching or delignification of cellulose pulp with oxygen
AU2376195A (en) A method for producing chemicals which can be used for bleaching of pulp to the paper industry
BR9507520A (en) Bleaching process of cellulose pulps with oxygen
AU3330599A (en) Method for bleaching and/or delignification of paper pulp
AU6325596A (en) Bleaching of lignocellulosic pulp with ozone and peracid
AU3623497A (en) Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinking
NO941279L (en) Process for enzymatic treatment of lignocellulosic materials, especially cellulose pulp
FI103819B1 (en) Process for pretreating pulp which is to be bleached with peroxide
FI103817B1 (en) Process for pretreating pulp which is to be bleached with peroxide
AU4778697A (en) Method for delignification and bleaching of chemical pulp
AU8008094A (en) Process for bleaching of pulp for paper making using hydrogen peroxide

Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase