EP1017899A4 - Mit übergangsmetallen substituierte wolframaluminat-komplexe für delignifizierung und abfallmineralisierung - Google Patents

Mit übergangsmetallen substituierte wolframaluminat-komplexe für delignifizierung und abfallmineralisierung

Info

Publication number
EP1017899A4
EP1017899A4 EP98944749A EP98944749A EP1017899A4 EP 1017899 A4 EP1017899 A4 EP 1017899A4 EP 98944749 A EP98944749 A EP 98944749A EP 98944749 A EP98944749 A EP 98944749A EP 1017899 A4 EP1017899 A4 EP 1017899A4
Authority
EP
European Patent Office
Prior art keywords
tungstoaluminate
delignification
complexes
transition
metal substituted
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Withdrawn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
EP98944749A
Other languages
English (en)
French (fr)
Other versions
EP1017899A1 (de
Inventor
Ira A Weinstock
Jennifer J Cowan
Richard S Reiner
Craig L Hill
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.)
Emory University
US Department of Agriculture USDA
Original Assignee
Emory University
US Department of Agriculture USDA
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 Emory University, US Department of Agriculture USDA filed Critical Emory University
Publication of EP1017899A1 publication Critical patent/EP1017899A1/de
Publication of EP1017899A4 publication Critical patent/EP1017899A4/de
Withdrawn legal-status Critical Current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
    • 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
    • D21C9/1063—Bleaching ; Apparatus therefor with compounds not otherwise provided for, e.g. activated gases

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
  • Paper (AREA)
  • Catalysts (AREA)
EP98944749A 1997-09-05 1998-09-04 Mit übergangsmetallen substituierte wolframaluminat-komplexe für delignifizierung und abfallmineralisierung Withdrawn EP1017899A4 (de)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US5800097P 1997-09-05 1997-09-05
US58000P 1997-09-05
US14550498A 1998-09-02 1998-09-02
US145504 1998-09-02
PCT/US1998/018462 WO1999011857A1 (en) 1997-09-05 1998-09-04 Transition-metal substituted tungstoaluminate complexes for delignification and waste mineralization

Publications (2)

Publication Number Publication Date
EP1017899A1 EP1017899A1 (de) 2000-07-12
EP1017899A4 true EP1017899A4 (de) 2000-11-15

Family

ID=26737121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP98944749A Withdrawn EP1017899A4 (de) 1997-09-05 1998-09-04 Mit übergangsmetallen substituierte wolframaluminat-komplexe für delignifizierung und abfallmineralisierung

Country Status (6)

Country Link
EP (1) EP1017899A4 (de)
JP (1) JP2003514127A (de)
AU (1) AU9221398A (de)
BR (1) BR9812135A (de)
CA (1) CA2301719A1 (de)
WO (1) WO1999011857A1 (de)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5169495A (en) * 1990-04-30 1992-12-08 Atochem Process for bleaching high yield pulp with hydrogen peroxide by adjusting the alkalinity during bleaching with sodium hydroxide
US5549789A (en) * 1992-08-28 1996-08-27 The United States Of America As Represented By The Secretary Of Agriculture Oxidation of lignin and polysaccharides mediated by polyoxometalate treatment of wood pulp

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5302248A (en) * 1992-08-28 1994-04-12 The United States Of America As Represented By The Secretary Of Agriculture Delignification of wood pulp by vanadium-substituted polyoxometalates

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5169495A (en) * 1990-04-30 1992-12-08 Atochem Process for bleaching high yield pulp with hydrogen peroxide by adjusting the alkalinity during bleaching with sodium hydroxide
US5549789A (en) * 1992-08-28 1996-08-27 The United States Of America As Represented By The Secretary Of Agriculture Oxidation of lignin and polysaccharides mediated by polyoxometalate treatment of wood pulp

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9911857A1 *

Also Published As

Publication number Publication date
AU9221398A (en) 1999-03-22
CA2301719A1 (en) 1999-03-11
BR9812135A (pt) 2000-07-18
JP2003514127A (ja) 2003-04-15
WO1999011857A1 (en) 1999-03-11
EP1017899A1 (de) 2000-07-12

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