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AU3623497A - Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinking - Google Patents

Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinking

Info

Publication number
AU3623497A
AU3623497A AU36234/97A AU3623497A AU3623497A AU 3623497 A AU3623497 A AU 3623497A AU 36234/97 A AU36234/97 A AU 36234/97A AU 3623497 A AU3623497 A AU 3623497A AU 3623497 A AU3623497 A AU 3623497A
Authority
AU
Australia
Prior art keywords
cellulose
complexing agents
paper
deinking
wood bleaching
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.)
Withdrawn
Application number
AU36234/97A
Inventor
Primoz Lorencak
Birgit Potthoff-Karl
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.)
BASF SE
Original Assignee
BASF SE
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 BASF SE filed Critical BASF SE
Publication of AU3623497A publication Critical patent/AU3623497A/en
Withdrawn legal-status Critical Current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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • 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
    • D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
    • D21C5/02—Working-up waste paper
    • D21C5/025—De-inking
    • D21C5/027—Chemicals therefor
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

Landscapes

  • Health & Medical Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Toxicology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
AU36234/97A 1996-07-26 1997-07-14 Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinking Withdrawn AU3623497A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE1996130278 DE19630278A1 (en) 1996-07-26 1996-07-26 Complexing agent for pulp and pulp bleaching, paper production and deinking of waste paper
DE19630278 1996-07-26
PCT/EP1997/003741 WO1998004775A1 (en) 1996-07-26 1997-07-14 Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinking

Publications (1)

Publication Number Publication Date
AU3623497A true AU3623497A (en) 1998-02-20

Family

ID=7800989

Family Applications (1)

Application Number Title Priority Date Filing Date
AU36234/97A Withdrawn AU3623497A (en) 1996-07-26 1997-07-14 Use of complexing agents for cellulose and wood bleaching, paper production and used paper deinking

Country Status (3)

Country Link
AU (1) AU3623497A (en)
DE (1) DE19630278A1 (en)
WO (1) WO1998004775A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2333772A (en) * 1998-01-31 1999-08-04 Procter & Gamble Complexing agents (eg ethylenediamine disuccinic acid) for use in selectively complexing copper, iron, zinc, nickel and cobalt in the presence of calcium
BE1011784A3 (en) * 1998-03-10 2000-01-11 Solvay Bleaching pulp process.

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4128084A1 (en) * 1991-08-24 1993-02-25 Basf Ag Beta-alanine-N,N-di:acetic acid, alkali or ammonium salt complex former in paper mfr. - useful for biodegradable alkaline earth and heavy metal ion complexant in bleaching mechanical wood pulp and printed waste paper de inking
GB9216408D0 (en) * 1992-08-01 1992-09-16 Procter & Gamble Stabilized bleaching compositions
WO1994020599A1 (en) * 1993-03-05 1994-09-15 The Procter & Gamble Company Detergent compositions containing ethylenediamine-n,n'-diglutaric acid or 2-hydroxypropylenediamine-n,n'-disuccinic acid
WO1994028464A1 (en) * 1993-05-20 1994-12-08 The Dow Chemical Company Succinic acid derivative degradable chelants, uses and compositions thereof
FI115642B (en) * 1996-02-19 2005-06-15 Kemira Oyj Bleaching process for high yields
FI115469B (en) * 1996-02-19 2005-05-13 Kemira Oyj Process for the treatment of chemical cellulose material

Also Published As

Publication number Publication date
WO1998004775A1 (en) 1998-02-05
DE19630278A1 (en) 1998-01-29

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