Guangyu WU, Song SHU, Hongwei ZHANG, Jianjun LI. Enhanced Styrene Adsorption by Grafted Lactone-based Activated Carbon [J]. Journal of Inorganic Materials, 2024, 39(4): 390
- Journal of Inorganic Materials
- Vol. 39, Issue 4, 390 (2024)
S1. Schematic illustration of styrene dynamic adsorption device
1. (a) XRD patterns, (b) Raman spectra, (c) N2 adsorption-desorption isotherms, and (d) pore size distributions of AC, AC-S, and AC-N
S2. SEM morphologies of activated carbon
2. (a) Amounts of surface functional groups and (b) FT-IR spectra of AC, AC-S, and AC-N
S3. (a) C1s XPS spectra and (b) relative contents of oxygen-containing functional groups for AC, AC-S and AC-N
3. (a) Breakthrough curves and (b) saturation adsorption capacity for the adsorption of styrene by AC, AC-S, and AC-N
4. Adsorption kinetics of (a) AC, (b) AC-S and (c) AC-N, and (d) correspoding adsorption isotherm fitting
S4. Styrene interacting with graphite layer
5. Configurations of (a-d) styrene interacting with hydroxyl group, (e-h) styrene interacting with lactone group, and (j-m) styrene interacting with the carboxyl group
6. (a) Section view and (b) ELF of optimal adsorption configuration of styrene on the lactone group
7. Adsorption mechanism of interaction between styrene and lactone group on activated carbon
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Table 1. Textural characteristics of AC, AC-S, and AC-N
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Table 1. Kinetic parameters of styrene adsorption by AC, AC-S, and AC-N
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Table 2. Fitting parameters of the Langmuir and Freundlich models for styrene adsorption
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Table 3. Amounts of surface functional groups of AC, AC-S, and AC-N
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Table 4. XPS results of C1s on the surface of AC, AC-S, and AC-N
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