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Adsorption Kinetics for the Extraction of Cesium(Ι) from Aqueous Solutions on Potassium Zinc Hexacyanoferrate

Potassium zinc hexacyanoferrate (KZnFc) was synthesized, and the adsorption amount at equilibrium and adsorption rate of uptake of cesium (I) on KZnFc from several aqueous solutions was investigated comprehensively by varying the initial cesium concentration and temperature. The rate of uptake of cesium was analyzed using pseudo-first-order and pseudo-second-order kinetic models. This study will be helpful for understanding the adsorption mechanisms of cesium ion, and KZnFc could be used as potential adsorbent for adsorbing Cs (I) from oil field water of Nanyishan.