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    Journals >Journal of Inorganic Materials >Volume 35 >Issue 2 >Page 193 > Article
    • Journal of Inorganic Materials
    • Vol. 35, Issue 2, 193 (2020)
    Thiohydroxy-functionalized Mesoporous Materials: Preparation and its Adsorption to Cr6+
    Fu-Qiang CHENG, Tian-Tian JI, Min XUE*, Zi-Hui MENG, and Yu-Kai WU
    Author Affiliations
  • School of Chemistry and Chemical Engineering, Beijing Institute of Technology, Beijing 100081, China
    • show less
    DOI: 10.15541/jim20190103 Cite this Article
    Fu-Qiang CHENG, Tian-Tian JI, Min XUE, Zi-Hui MENG, Yu-Kai WU. Thiohydroxy-functionalized Mesoporous Materials: Preparation and its Adsorption to Cr6+[J]. Journal of Inorganic Materials, 2020, 35(2): 193 Copy Citation Text show less
    Morphologies of SBA-15 and thiohydroxy-functionalized mesoporous material SBA-15-SH
    1. Morphologies of SBA-15 and thiohydroxy-functionalized mesoporous material SBA-15-SH
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    FT-IR spectra of the as-prepared mesoporous materials
    2. FT-IR spectra of the as-prepared mesoporous materials
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    Effect of solution pH on Cr6+ adsorption by SBA-15-SH
    3. Effect of solution pH on Cr6+ adsorption by SBA-15-SH
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    Effect of environment temperature on Cr6+ adsorption by SBA-15-SH
    4. Effect of environment temperature on Cr6+ adsorption by SBA-15-SH
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    Adsorption kinetic study of SBA-15/SBA-15-SH on Cr6+ adsorption
    5. Adsorption kinetic study of SBA-15/SBA-15-SH on Cr6+ adsorption
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    Effect of the initial concentration of Cr6+ on its adsorption
    6. Effect of the initial concentration of Cr6+ on its adsorption
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    Effect of adsorbent dosage on Cr6+ adsorption
    7. Effect of adsorbent dosage on Cr6+ adsorption
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    Chelation mechanism of sulfhydryl group and heavy metal ions
    8. Chelation mechanism of sulfhydryl group and heavy metal ions
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    Adsorption equationkqe/(mg·g-1)R2
    Lagergren first order equation$In(q_{e}- q_{1})= Inq_{e}-kt$0.3515.7370.9662
    Lagergren second order equation$\frac{t}{q_{t}}=\frac {1}{kq^{2}_{e}}+\frac {t}{q_{e}}$1.44×10-46.9300.9950
    Table 1. Adsorption kinetics fitting results
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    Isothermal modelKqm1/nR2
    Langmuir$\frac{c_{e}}{q_{e}}=\frac{c_{e}}{q_{m}}+\frac{1}{Kq_{m}}$2.896.86-0.9899
    Freundlich$Inq_{e}= InK_{F}+\frac{Inc_{e}}{n}$--1.8490.7494
    Table 2. Isothermal adsorption data fitting
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    SampleAdded/(mg·L-1)Found/(mg·L-1)Recovery/%
    Tapwater00.01-
    0.20.2095
    0.50.5098
    1.00.9796
    Industry waste water00.20-
    0.20.41105
    0.50.6896
    1.01.21101
    Table 3. Determination of Cr6+ in spiked real water sample
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    Abstract
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    Figures&Tables (11)
    Equations (2)
    References (20)
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    Fu-Qiang CHENG, Tian-Tian JI, Min XUE, Zi-Hui MENG, Yu-Kai WU. Thiohydroxy-functionalized Mesoporous Materials: Preparation and its Adsorption to Cr6+[J]. Journal of Inorganic Materials, 2020, 35(2): 193
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