✦ LIBER ✦

Adsorption behavior of Cu2+ and UO ions on crosslinked poly[2,2-bis(acrylamido)acetic acid]

✍ Scribed by B. L. Rivas; H. A. Maturana; X. Ocampo; I. M. Peric

Publisher: John Wiley and Sons
Year: 1995
Tongue: English
Weight: 359 KB
Volume: 58
Category: Article
ISSN: 0021-8995
DOI: 10.1002/app.1995.070581207

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✦ Synopsis

The synthesis of a water-insoluble metal ion complexing resin was carried out by radical polymerization of 2,2-bis(acrylamido) acetic acid. The resin was characterized by elemental analyses, FTIR spectroscopy, and thermal analyses. The ability to bind copper(II), iron(II), iron(III), and uranium(V1) as well as the elution of the metal ions from the loaded resins were studied. For uranyl ions, pH 5 was the optimum sorption pH value. Sorption selectivity from the binary mixture Cu(I1) + U(V1) was studied at pH 2. The thermal stability is increased by adsorption of TJO;+. According to these results a coordination mechanism is suggested for sorption of copper and uranium.

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