Volume 42 - Issue 1 - 88 - 97

The Preparation of p(acrylonitrile-co- acrylamide) hydrogels for uranyl ion recovery from aqueous environments

Sulu ortamlardan uranil iyonu kazanımı için p(akrilonitril-ko-akrilamit) hidrojellerinin hazırlanması

The synthesis of poly(acrylonitrile-co-acrylamide) (p(AN-co-AAm)) hydrogels with different amounts of acrylonitrile (AN) and acrylamide (AAm) monomers were carried out by concurrent use of redox and microemulsion polymerization techniques. The prepared hydrogels were amidoximated for sorption of uranyl ion from aqueous medium. Batch type UO2 2+ ion sorption by p(AN-co-AAm) (0.25:1 mole ratio) was carried out and an sorption capacity of 220 mg UO2 2+ mg/g dried hydrogel was found. The highest amount of UO22+ ion sorption, 277 mg/g dry gel was accomplished at pH 4. 

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