New system for complexation of uranyl ions from liquid wastes of low-level activity: Polypyrrole doped with complexing polyanions

[en] Polymer composites consisting of polypyrrole doped by uranyl complexing polyanions [i.e., poly(2-acrylamidoglycolic acid) and poly(2-acrylamido-2-methyl-1-propanesulfonic acid)] were electrochemically synthesized. Bulk material and thin layers strongly adhering to inert supporting electrodes were prepared. These composites were used to precipitate uranyl ions from simulated radioactive wastes. Among different experimental techniques used for the analysis of uranium immobilized in the composites, the Rutherford backscattering of cu particles proved efficient in thin layers. Leaching tests confirmed the persistence of the uranium complexation in the solid composites.

Research Center/Unit :

Center for Education and Research on Macromolecules (CERM)

Disciplines :

Chemistry
Materials science & engineering

Author, co-author :

Leroy, Danielle ; Université de Liège - ULiège > Department of Chemistry > Coordination Chemistry and Radiochemistry

Martinot, Lucien ; Université de Liège - ULiège > Department of Chemistry > Coordination Chemistry and Radiochemistry

De Becker, Michaël ; Université de Liège - ULiège > Department of Chemistry > Coordination Chemistry and Radiochemistry

Strivay, David ; Université de Liège - ULiège > Institute of Experimental Nuclear Physical Science

Weber, Géraldine ; Université de Liège - ULiège > Institute of Experimental Nuclear Physical Science

Jérôme, Christine ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Jérôme, Robert ; Université de Liège - ULiège > Department of Chemistry > Center for Education and Research on Macromolecules (CERM)

Language :

English

Title :

New system for complexation of uranyl ions from liquid wastes of low-level activity: Polypyrrole doped with complexing polyanions

Publication date :

08 August 2000

Journal title :

Journal of Applied Polymer Science

ISSN :

0021-8995

eISSN :

1097-4628

Publisher :

John Wiley & Sons, Hoboken, United States - New York

Volume :

Issue :

Pages :

1230-1239

Peer reviewed :

Peer Reviewed verified by ORBi

Additional URL :

http://www3.interscience.wiley.com/cgi-bin/fulltext/72508557/PDFSTART

Available on ORBi :

since 16 June 2009

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