AU7792898A - Extraction agents and method for use thereof - Google Patents

Extraction agents and method for use thereof

Info

Publication number
AU7792898A
AU7792898A AU77928/98A AU7792898A AU7792898A AU 7792898 A AU7792898 A AU 7792898A AU 77928/98 A AU77928/98 A AU 77928/98A AU 7792898 A AU7792898 A AU 7792898A AU 7792898 A AU7792898 A AU 7792898A
Authority
AU
Australia
Prior art keywords
extraction agents
extraction
agents
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
AU77928/98A
Inventor
Arne Elofson
Arne Nordgren
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.)
Hampshire Chemical AB
Original Assignee
Hampshire Chemical AB
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 Hampshire Chemical AB filed Critical Hampshire Chemical AB
Publication of AU7792898A publication Critical patent/AU7792898A/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
    • 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
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Extraction Or Liquid Replacement (AREA)
  • Paper (AREA)
AU77928/98A 1997-05-30 1998-05-20 Extraction agents and method for use thereof Abandoned AU7792898A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9702067 1997-05-30
SE9702067A SE9702067L (en) 1997-05-30 1997-05-30 Extraction agents included essential oils and process for using them
PCT/SE1998/000953 WO1998053893A1 (en) 1997-05-30 1998-05-20 Extraction agents and method for use thereof

Publications (1)

Publication Number Publication Date
AU7792898A true AU7792898A (en) 1998-12-30

Family

ID=20407188

Family Applications (1)

Application Number Title Priority Date Filing Date
AU77928/98A Abandoned AU7792898A (en) 1997-05-30 1998-05-20 Extraction agents and method for use thereof

Country Status (3)

Country Link
AU (1) AU7792898A (en)
SE (1) SE9702067L (en)
WO (1) WO1998053893A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI20051145A0 (en) * 2005-11-11 2005-11-11 Kemira Oyj New pulp and process for pulping
FI20086031L (en) * 2008-10-31 2010-05-01 Kemira Oyj Bleaching method

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE507483C2 (en) * 1996-10-21 1998-06-15 Hampshire Chemical Ab Removal of metal ions by extraction with a combination of an organophilic complexing agent and an organic solvent in the preparation of pulp

Also Published As

Publication number Publication date
SE508227C2 (en) 1998-09-14
SE9702067L (en) 1998-09-14
WO1998053893A1 (en) 1998-12-03
SE9702067D0 (en) 1997-05-30

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