FI960755A0 - A method of treating a cellulosic material - Google Patents

A method of treating a cellulosic material

Info

Publication number
FI960755A0
FI960755A0 FI960755A FI960755A FI960755A0 FI 960755 A0 FI960755 A0 FI 960755A0 FI 960755 A FI960755 A FI 960755A FI 960755 A FI960755 A FI 960755A FI 960755 A0 FI960755 A0 FI 960755A0
Authority
FI
Finland
Prior art keywords
treating
cellulosic material
cellulosic
Prior art date
Application number
FI960755A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI115470B (en
FI960755A (en
Inventor
Ilkka Renvall
Reijo Aksela
Elias Suokas
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
Priority to FI960755A priority Critical patent/FI115470B/en
Publication of FI960755A0 publication Critical patent/FI960755A0/en
Priority to PCT/FI1997/000105 priority patent/WO1997030207A1/en
Priority to AU17972/97A priority patent/AU1797297A/en
Publication of FI960755A publication Critical patent/FI960755A/en
Application granted granted Critical
Publication of FI115470B publication Critical patent/FI115470B/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
    • D21C9/1026—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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI960755A 1996-02-19 1996-02-19 Process for the treatment of chemical cellulose material FI115470B (en)

Priority Applications (3)

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

Applications Claiming Priority (2)

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

Publications (3)

Publication Number Publication Date
FI960755A0 true FI960755A0 (en) 1996-02-19
FI960755A FI960755A (en) 1997-08-20
FI115470B FI115470B (en) 2005-05-13

Family

ID=8545484

Family Applications (1)

Application Number Title Priority Date Filing Date
FI960755A FI115470B (en) 1996-02-19 1996-02-19 Process for the treatment of chemical cellulose material

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
RU2012137954A (en) * 2010-02-12 2014-03-20 Деквест Аг METHOD FOR WHITENING CELLULOSE
WO2014116468A1 (en) * 2013-01-23 2014-07-31 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
AU1797297A (en) 1997-09-02
WO1997030207A1 (en) 1997-08-21
FI115470B (en) 2005-05-13
FI960755A (en) 1997-08-20

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