Li-Li SUI, Run WANG, Dan ZHAO, Shu-Chang SHEN, Li SUN, Ying-Ming XU, Xiao-Li CHENG, Li-Hua HUO, [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese], [in Chinese]. Construction of Hierarchical α-MoO3 Hollow Microspheres and Its High Adsorption Performance towards Organic Dyes[J]. Journal of Inorganic Materials, 2019, 34(2): 193
- Journal of Inorganic Materials
- Vol. 34, Issue 2, 193 (2019)
. XRD patterns of the precursor (a) and the product calcined at 400 ℃ in air for 2 h (b)
. FT-IR spectrum of the product calcined at 400 ℃ in air for 2 h
. Typical SEM images of precursor (a, b) and α -MoO3 microspheres (c)
. Typical TEM (a, b), HRTEM (c) images and SAED pattern (inset in (c)) of α -MoO3 hollow microspheres
. Nitrogen adsorption-desorption isotherms and pore size distribution plot (inset) of α -MoO3 hollow microspheres
. Effect of adsorbent dosage (a) and concentration of MB (b) on the adsorption performances of α -MoO3 hollow microspheres, UV-Vis spectra (c) and removal percentage curves (d) of α -MoO3 to MB for different contact times
. Pseudo-first-order (a) and pseudo-second-order (b) sorption kinetics for different concentrations of MB onto α -MoO3 hollow microspheres
. Langmuir (a) and Freundlich (b) adsorption isotherm curves for adsorption of MB by α -MoO3 hollow microspheres
. Zeta potential of α -MoO3 hollow microspheres at different pH
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Table 1. Kinetic parameters for adsorption of MB on the samples of α -MoO3 hollow microspheres
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Table 2. Adsorption isotherm parameters of α -MoO3 hollow microspheres to MB
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Table 3. Comparison of the maximum adsorption capacities for MB on adsorbents of different metal oxides
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