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A chelating fiber (CF), containing amine and hydroxyl groups, has been characterized and used as an adsorbent for the removal of U(VI) from aqueous solutions. The effects of pH value,… Click to show full abstract
A chelating fiber (CF), containing amine and hydroxyl groups, has been characterized and used as an adsorbent for the removal of U(VI) from aqueous solutions. The effects of pH value, contact time, adsorbent dosage, initial U(VI) concentration, temperature, and stripping agents on the adsorption behavior of U(VI) are studied. The results demonstrated that the maximum adsorption capacity is achieved at pH 3.0 and contact time 20 min. The adsorption behavior can be well described by the pseudo-second order kinetic and the Langmuir isotherm model equations. Additionally, it was found that the adsorbent can be reused for five repeating cycles.
Journal Title: Journal of Radioanalytical and Nuclear Chemistry
Year Published: 2018
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