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• W2945314671 abstract "Abstract Molybdenum trioxide/polypyrrole (MoO 3 /Ppy) nanocomposite was prepared via oxidative polymerization of pyrrole monomer with MoO 3 nanoparticles. The adsorption of Cd +2 and nile blue (NB) onto the nanocomposite was investigated in terms of various process parameters. The characterization of MoO 3 /Ppy nanocomposite was carried out by Fourier transform‐infrared spectroscopy, X‐ray diffraction, scanning electron microscopy, transmission electron microscopy, and energy dispersive X‐ray spectroscopy. Higher R 2 (0.992–0.997 for Cd +2 and 0.997–0.998 for NB) and lower standard error of estimation values (1.04–1.82 for Cd +2 and 0.87–1.07 for NB) for Freundlich isotherm highlighted the multilayer adsorption onto heterogeneous nanocomposite surface. The higher Q m values at 323 K for Cd +2 (181 mg/g) and NB (189 mg/g) compared to many reported adsorbents proved the adsorptive superiority of MoO 3 /Ppy. The energy of adsorption ( E ) values from Dubinin–Radushkevich model was 1.26–1.38 and 1.36–1.44 kJ/mol for Cd +2 and NB, respectively, suggesting physical adsorption. Pseudo‐second order kinetic model governed the adsorption of Cd +2 and NB with intraparticle and liquid film diffusion controlling the mechanism. The negative ΔG values (8.4–9.4 kJ/mol) and positive ΔH values (2.5–6.1 kJ/mol) implied spontaneous and endothermic adsorption process. The positive ΔS values (0.036–0.048 kJ/mol/K) indicated increased randomness at MoO 3 /Ppy‐Cd +2 or NB interface. The MoO 3 /Ppy nanocomposite proved to be suitable and efficient adsorbent for sequestering of Cd +2 and NB from aqueous solution." @default.
• W2945314671 created "2019-05-29" @default.
• W2945314671 creator A5003198302 @default.
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• W2945314671 date "2019-05-15" @default.
• W2945314671 modified "2023-10-16" @default.
• W2945314671 title "Synthesis of MoO₃/polypyrrole nanocomposite and its adsorptive properties toward cadmium(II) and nile blue from aqueous solution: Equilibrium isotherm and kinetics modeling" @default.
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• W2945314671 doi "https://doi.org/10.1002/ep.13249" @default.
• W2945314671 hasPublicationYear "2019" @default.
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