Journal of Inorganic Materials, Volume. 35, Issue 2, 193(2020)
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1. Morphologies of SBA-15 and thiohydroxy-functionalized mesoporous material SBA-15-SH
4. Effect of environment temperature on Cr6+ adsorption by SBA-15-SH
5. Adsorption kinetic study of SBA-15/SBA-15-SH on Cr6+ adsorption
Table 1. Adsorption kinetics fitting results
View tableView in ArticleTable 1. Adsorption kinetics fitting results
Adsorption equation k q e/(mg·g-1)R 2Lagergren first order equation $In(q_{e}- q_{1})= Inq_{e}-kt$ 0.351 5.737 0.9662 Lagergren second order equation $\frac{t}{q_{t}}=\frac {1}{kq^{2}_{e}}+\frac {t}{q_{e}}$ 1.44×10-4 6.930 0.9950
Table 2. Isothermal adsorption data fitting
View tableView in ArticleTable 2. Isothermal adsorption data fitting
Isothermal model K q m1/ n R 2Langmuir $\frac{c_{e}}{q_{e}}=\frac{c_{e}}{q_{m}}+\frac{1}{Kq_{m}}$ 2.89 6.86 - 0.9899 Freundlich $Inq_{e}= InK_{F}+\frac{Inc_{e}}{n}$ - - 1.849 0.7494
Table 3. Determination of Cr6+ in spiked real water sample
View tableView in ArticleTable 3. Determination of Cr6+ in spiked real water sample
Sample Added/(mg·L-1) Found/(mg·L-1) Recovery /% Tap water 0 0.01 - 0.2 0.20 95 0.5 0.50 98 1.0 0.97 96 Industry waste water 0 0.20 - 0.2 0.41 105 0.5 0.68 96 1.0 1.21 101
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Fu-Qiang CHENG, Tian-Tian JI, Min XUE, Zi-Hui MENG, Yu-Kai WU.
Paper Information
Category: RESEARCH PAPER
Received: Mar. 11, 2019
Accepted: --
Published Online: Jan. 27, 2021
The Author Email: XUE Min (minxue@bit.edu.cn)
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