期刊
JOURNAL OF CHEMICAL AND ENGINEERING DATA
卷 63, 期 3, 页码 741-750出版社
AMER CHEMICAL SOC
DOI: 10.1021/acs.jced.7b00897
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资金
- University of Tehran [0010708170]
Herein, a modified polyaniline nanocomposite containing CoFeC6N6 was prepared and tested for its sorption of Pb2+ and Ni2+ ions from aqueous solutions. The adsorbent was characterized by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, Brunauer-Emmett-Teller and Fourier transform infrared analyses. The adsorption percentage increased with increasing CoFeC6N6 in the nano composite material. A pseudo-second-order model and Langmuir adsorption described the behavior of the material. Additionally, the adsorption capacity was increased by increasing the temperature. The prediction of concentrations was performed using a model based on pore diffusion and the implicit finite difference method. From a mass transfer standpoint, the best data set of D-e for Pb2+ (1.12 x 10(-9) m(2) s(-1)) and Ni2+ (0.98 x 10(-13) m(2) s(-1)) was determined.
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