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Use of amidoximated acrylonitrile/ N ‐vinyl 2‐pyrrolidone interpenetrating polymer networks for uranyl ion adsorption from aqueous systems
Author(s) -
Pekel Nursel,
Şahiner Nurettin,
Güven Olgun
Publication year - 2001
Publication title -
journal of applied polymer science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.575
H-Index - 166
eISSN - 1097-4628
pISSN - 0021-8995
DOI - 10.1002/app.1673
Subject(s) - uranyl , acrylonitrile , adsorption , aqueous solution , 2 pyrrolidone , polymer chemistry , langmuir adsorption model , interpenetrating polymer network , materials science , polymer , chemistry , ion , chemical engineering , organic chemistry , composite material , copolymer , engineering
Poly( N ‐vinyl 2‐pyrrolidone) (PVP)/acrylonitrile (AN) interpenetrating polymer networks (IPNs) were synthesized and amidoximated for the purpose of uranyl ion adsorption. The adsorption of amidoximated IPNs was studied from different uranyl ion solutions (850, 1000, 1200, 1400, and 1600 ppm). The result of all our adsorption studies showed that the bonding between UO 2+ 2 ‐amidoxime groups complied with the Langmuir‐type isotherm. The adsorption capacity was found as 0.75 g UO 2+ 2 /g dry amidoximated IPN. In order to increase the UO 2+ 2ion adsorption capacity the amidoximated IPN was treated with alkali, but no significant increase could be observed. © 2001 John Wiley & Sons, Inc. J Appl Polym Sci 81: 2324–2329, 2001