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Saeedeh Hashemian,Khatereh Salari,Zahra Atashi Yazdi 한국공업화학회 2014 Journal of Industrial and Engineering Chemistry Vol.20 No.4
Activated carbon from agricultural waste almond shells (CAS) and orange peels (COP) was prepared. CAS and COP were characterized by FTIR, XRD and SEM. Adsorption of 2-pic by CAS and COP has been investigated. The kinetic of 2-pic was fitted well the pseudo-second-order kinetic model and rate constants of adsorption of 6.66 10-4 and 2.51 10-5 (g mg-1 min-1) for CAS and COP, respectively. Results showed that Langmuir isotherm model is better fitted for adsorption data quite reasonably than Freundlich model (R2 > 97). The maximum adsorption capacity from Langmuir equation was 166.7 mg g-1 and 288.57 mg g-1 for COP and CAS, respectively.