Journal of Inorganic Materials, Volume. 35, Issue 3, 309(2020)
Figures & Tables(7)
1. (a) SEM image, (b) TEM image, (c) HRTEM image, (d) XRD pattern, (e) N2 adsorption-desorption isotherm and (f) TGA- DTG curves of C@K2Ti6O13 hierarchical nanostructures
2. FT-IR spectra of the samples annealed at different temperatures
4. (a) Effect of contact time on Cr(VI) adsorption onto C@K2Ti6O13 HNMs and (b) corresponding fitting curve by the pseudo-second-order kinetic model
5. (a) Adsorption isotherms, (b) Langmuir isotherm model, (c) Freundlich isotherm model, and (d) plot of lnK dvs 1/T of the Cr(VI) on C@K2Ti6O13
Table 1. Parameters simulated by Langmuir and Freundlich models of C@K2Ti6O13
View tableView in ArticleTable 1. Parameters simulated by Langmuir and Freundlich models of C@K2Ti6O13
T /KLangmuir model Freundlich model q mb R 2n K fR 2298 37 0.056 0.97 2.7 2.2 0.97 313 37 0.052 0.95 2.7 2.2 0.93 328 29 0.066 0.94 3.2 2.2 0.89
Table 2. Thermodynamic parameters for Cr(VI) adsorption
View tableView in ArticleTable 2. Thermodynamic parameters for Cr(VI) adsorption
Δ H θ/(kJ·mol-1) Δ S θ/(kJ·K-1·mol-1) Δ G θ/(kJ·mol-1)298 K 313 K 323 K 0.075 0.0124 -4.77 -4.74 -4.75
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Mingyu ZHU, Dezhe FAN, Bei LIU, Shuya LIU, Ming FANG, Xiaoli TAN.
Paper Information
Category: RESEARCH PAPER
Received: Jul. 22, 2019
Accepted: --
Published Online: Jan. 27, 2021
The Author Email: FANG Ming (mfang@ncepu.edu.cn)
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