Aqueous-Phase Sorption Behaviors of Cs⁺, Co²⁺, Sr²⁺ and Cd²⁺ions on some Composite Ion Exchangers

Ibrahim Mohammed El-Naggar, Gehan Mohammed Ibrahim, Eman Ahmed El-Kady

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DOI: 10.4236/aces.2012.21021                

Abstract

A two new hybrid “organic-inorganic” composite ion exchangers (SAM and FAM), was synthesized by the combination of inorganic ion exchanger tin (IV) silicate and tin (IV) antimonate respectively with organic polymer polyacrylamide (PAm). The sorption isotherms for Cs⁺, Co²⁺, Sr²⁺ and Cd²⁺ ions on composite ion exchanger were investigated in the range (0.0005 - 0.01M) at different reaction temperature (30℃, 45℃ and 60℃ ± 1℃). The sorption data were subjected to different sorption isotherms and the results verified that Langmuir isotherm is the best model to be applied, and the monolayer sorption capacity were calculated and was found to increase as the reaction temperature increases.

Keywords

Organic-Inorganic Composite; Polyacrylamide; Tin (IV) Silicate; Tin (IV) Antimonate; Radioactive Waste; Heavy Metals; Sorption Isotherm; Capacity

Conflicts of Interest

The authors declare no conflicts of interest.

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