Journal
ENVIRONMENTAL TECHNOLOGY & INNOVATION
Volume 8, Issue -, Pages 399-410Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.eti.2017.09.004
Keywords
Magnetic talc; Titanium oxide; Composites; Thorium ions; Adsorption
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The magnetic talc titanium oxide composite was prepared, characterized and tested for thorium removal from acidic solution using batch experiment technique. The obtained results showed that the thorium adsorption was pH dependent. The maximum adsorption occurred at pH range from 3 to 4. Also, the results showed that the temperature had no effect on the adsorption efficiency. Testing of different adsorption isotherms revealed that the achieved experimental data was fitting well with the Langmuir isotherm model with 54.5 mg/g as theoretical capacity. The kinetics studies showed that the adsorption process was not controlled only by intra-particle diffusion and could be expressed by pseudo-second-order model. (C) 2017 Elsevier B.V. All rights reserved.
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