Abstract
ABSTRACTA series of batch adsorption experiments under optimized conditions were performed and also to evaluate the reliability and feasibility of prepared adsorbent, carboxylate functionalized ethylene glycol dimethacrylate (EGDMA) crosslinked nanocellulose/graphene oxide polymer composite (EGDMA-g-nCell/GO) for Th(IV) recovery from aqueous media. The material was well characterized by using FTIR, XRD, XPS, SEM-EDS, TG-DTA and zeta potential analysis. The equilibrium adsorption capacity (Q0) among the various models was 141.21 mg/g at 30 °C and was well correlated with Langmuir isotherm model with reduced χ2 and R2 values. The spent adsorbent was undergone four cycles of regeneration process without any significant loss in adsorption capacity using 0.1 M HNO3 as desorbing agent, with up to 98.0 % recovery.
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