AU1797297A - Process for bleaching of chemical pulp - Google Patents

Process for bleaching of chemical pulp

Info

Publication number
AU1797297A
AU1797297A AU17972/97A AU1797297A AU1797297A AU 1797297 A AU1797297 A AU 1797297A AU 17972/97 A AU17972/97 A AU 17972/97A AU 1797297 A AU1797297 A AU 1797297A AU 1797297 A AU1797297 A AU 1797297A
Authority
AU
Australia
Prior art keywords
bleaching
chemical pulp
pulp
chemical
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
AU17972/97A
Inventor
Reijo Aksela
Aarto Paren
Ilkka Renvall
Elias Suokas
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 AU1797297A publication Critical patent/AU1797297A/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
    • D21C9/1026—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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
AU17972/97A 1996-02-19 1997-02-19 Process for bleaching of chemical pulp Abandoned AU1797297A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI960755 1996-02-19
FI960755A FI115470B (en) 1996-02-19 1996-02-19 Process for the treatment of chemical cellulose material
PCT/FI1997/000105 WO1997030207A1 (en) 1996-02-19 1997-02-19 Process for bleaching of chemical pulp

Publications (1)

Publication Number Publication Date
AU1797297A true AU1797297A (en) 1997-09-02

Family

ID=8545484

Family Applications (1)

Application Number Title Priority Date Filing Date
AU17972/97A Abandoned AU1797297A (en) 1996-02-19 1997-02-19 Process for bleaching of chemical pulp

Country Status (3)

Country Link
AU (1) AU1797297A (en)
FI (1) FI115470B (en)
WO (1) WO1997030207A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI106258B (en) 1998-03-09 2000-12-29 Kemira Chemicals Oy Processes for the preparation of an N-bis- [2- (1,2-dicarboxyethoxy) ethyl] amine derivative and products obtained by the methods and uses thereof
GB0721587D0 (en) * 2007-11-02 2007-12-12 Innospec Ltd Process for bleaching pulp
BR112012020292A2 (en) * 2010-02-12 2016-05-03 Dequest Ag pulp bleaching method
US20140202646A1 (en) * 2013-01-23 2014-07-24 Buckman Laboratories International, Inc. Bleach Stabilizer Compositions And Methods
FI127900B (en) * 2014-05-27 2019-05-15 Upm Kymmene Corp A method for reducing phosphorus load in effluent from a pulp production process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338260C1 (en) * 1983-10-21 1985-07-25 Benckiser-Knapsack Gmbh, 6802 Ladenburg Process and means for bleaching groundwood
SE8700569D0 (en) * 1987-02-12 1987-02-12 Josef Kubat AN IMPROVED PEROXIDE BLEACHING METHOD
DE3820160C2 (en) * 1987-06-26 1998-10-08 Clariant Finance Bvi Ltd Concentrated preparation and its use as a stabilizer for alkaline liquors containing peroxide
GB9216408D0 (en) * 1992-08-01 1992-09-16 Procter & Gamble Stabilized bleaching compositions
DE19528843A1 (en) * 1995-08-04 1997-02-06 Cht R Beitlich Gmbh Process for the stabilization of alkaline peroxide-containing bleaching liquors for the bleaching of cellulose and other fibrous materials

Also Published As

Publication number Publication date
FI960755A0 (en) 1996-02-19
FI960755A (en) 1997-08-20
WO1997030207A1 (en) 1997-08-21
FI115470B (en) 2005-05-13

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