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Received January 2, 2014
Accepted March 9, 2014
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Simultaneous adsorption of phenol and Cu2+ from aqueous solution by activated carbon/chitosan composite
College of Science, Northwest A&F University, Yangling, Shaanxi 712100, China 1Xi’an Institute of Geology and Mineral Resource, Xi’an, Shaanxi 710054, China
Korean Journal of Chemical Engineering, September 2014, 31(9), 1608-1615(8), 10.1007/s11814-014-0080-9
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Abstract
A multifunction adsorbent was synthesized by incorporating AC into CTS, and the ratio of AC to CTS was 1/1. The resultant was called activated carbon (AC)/chitosan (CTS) composite. The simultaneous adsorption of phenol and Cu2+ from aqueous solution onto AC/CTS composite was investigated by a batch procedure. The adsorption processes for both Cu2+ and phenol obeyed the pseudo second-order kinetic model. Phenol was prone to be adsorbed more quickly as compared with Cu2+ when they coexisted in solution. The adsorption behavior of both phenol and Cu2+ followed the Langmuir isotherm. The maximum adsorption capacities of phenol and Cu2+ were 34.19 mg/g and 74.35 mg/g at 293 K, respectively. No obvious competitive adsorption existed between phenol and Cu2+.
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