Fig 1.
(A) XRD patterns of as-synthesized mesoporous material and MSMs calcined at different temperatures, (B) the N2 sorption isotherm, and (C) pore-size distribution of the MSMs (A: MSM-as synthesized, B: MSM-500, C: MSM-600, D: MSM-700, E: MSM-800, and F: MSM-900).
Table 1.
Structural parameters of as-synthesized and calcined MSMs.
Fig 2.
(A) Adsorption isotherms of the MSMs calcined at different temperatures. (B) Kinetics of IBP uptake by MSMs calcined at different temperatures.
Table 2.
Isotherm parameters obtained by fitting equilibrium data with the Freundlich and Langmuir isotherms for the adsorption of IBP on MSMs.
Table 3.
Kinetic parameters obtained after fitting to the pseudo-second-order model.
Fig 3.
Temperature effect of IBP adsorption onto MSM-500.
Table 4.
Thermodynamics parameters (∆adsH0 and ∆adsS0) of IBP uptake by MSM-500 and comparison with other references.
Fig 4.
IBP uptake by MSM-500 at several recycles: (A) kinetics, (B) qeq, (C) K2, and (D) v0 according to the number of recycles.
Fig 5.
TEM images of MSM-500 (A) before and (B) after the fifth adsorption of IBP.
Fig 6.
FTIR spectra of MSM materials before (A) and after adsorption (B) of IBP.
Fig 7.
Mechanism of MSM synthesis and IBP adsorption.
Fig 8.
In vitro release of IBP from MSM-500 at different pH.
Table 5.
Comparison of pore characteristics and cost analyses for IBP removal.