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Ti-grafting functionalization on alkali-etched nanozeolites to enhance their catalytic performance toward oxidation desulfurization of fuels.

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Title: Ti-grafting functionalization on alkali-etched nanozeolites to enhance their catalytic performance toward oxidation desulfurization of fuels.
Authors: Feng, Yichen1,2 (AUTHOR), Li, Linghao2 (AUTHOR), Huang, Jian1,2 (AUTHOR) huangjian2@mail.sic.ac.cn, Wang, Wei2 (AUTHOR), Lu, Bowen2 (AUTHOR), Yang, Siyu2 (AUTHOR), Xu, Haiwei2 (AUTHOR), Shi, Ying1 (AUTHOR) yshi@shu.edu.cn, Hua, Zile1,2 (AUTHOR) huazl@mail.sic.ac.cn
Source: Microporous & Mesoporous Materials. May2025, Vol. 389, pN.PAG-N.PAG. 1p.
Subjects: Catalytic oxidation, Molecular size, Mass transfer, Sulfur compounds, Desulfurization
Abstract: Using silicalite-1 and TS-1 nanozeolites as precursors, a new combination process consisting of sequential alkali-etching and Ti-grafting treatment has been designed for preparation of hierarchically structured titanosilicate catalysts. The alkali-etching process creates abundant mesopores and Si-OH groups in the nanozeolite precursors, effectively increasing the titanium loadings and accelerating the mass transfer during the reactions. Benefiting from the developed micro/mesoporous structures, the adjustable Ti loadings and the intrinsic hydrophobicity of precursor nanozeolites, the resultant catalysts demonstrate superior performance toward the catalytic oxidation desulfurization (ODS) of fuels, i.e. in 3 h, the complete conversion of thiophene (Th), benzothiophene (BT) and dibenzothiophene (DBT) which are three typical refractory sulfur compounds with diverse reducibility and molecule sizes in fuels. [Display omitted] • Hierarchical structure and abundant active sites obtained by the sequential alkali-etching and Ti-grafting process on S-1. • Notable desulfurization performance toward small or bulky refractory compounds simultaneously. • Completely removal of Th, BT and DBT by TS-1 prepared in the same manner. [ABSTRACT FROM AUTHOR]
Copyright of Microporous & Mesoporous Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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DbLabel: Engineering Source
An: 183573144
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  Label: Title
  Group: Ti
  Data: Ti-grafting functionalization on alkali-etched nanozeolites to enhance their catalytic performance toward oxidation desulfurization of fuels.
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  Data: <searchLink fieldCode="AR" term="%22Feng%2C+Yichen%22">Feng, Yichen</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Li%2C+Linghao%22">Li, Linghao</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Huang%2C+Jian%22">Huang, Jian</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> huangjian2@mail.sic.ac.cn</i><br /><searchLink fieldCode="AR" term="%22Wang%2C+Wei%22">Wang, Wei</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Lu%2C+Bowen%22">Lu, Bowen</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yang%2C+Siyu%22">Yang, Siyu</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Xu%2C+Haiwei%22">Xu, Haiwei</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Shi%2C+Ying%22">Shi, Ying</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> yshi@shu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Hua%2C+Zile%22">Hua, Zile</searchLink><relatesTo>1,2</relatesTo> (AUTHOR)<i> huazl@mail.sic.ac.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Microporous+%26+Mesoporous+Materials%22">Microporous & Mesoporous Materials</searchLink>. May2025, Vol. 389, pN.PAG-N.PAG. 1p.
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  Data: <searchLink fieldCode="DE" term="%22Catalytic+oxidation%22">Catalytic oxidation</searchLink><br /><searchLink fieldCode="DE" term="%22Molecular+size%22">Molecular size</searchLink><br /><searchLink fieldCode="DE" term="%22Mass+transfer%22">Mass transfer</searchLink><br /><searchLink fieldCode="DE" term="%22Sulfur+compounds%22">Sulfur compounds</searchLink><br /><searchLink fieldCode="DE" term="%22Desulfurization%22">Desulfurization</searchLink>
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  Label: Abstract
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  Data: Using silicalite-1 and TS-1 nanozeolites as precursors, a new combination process consisting of sequential alkali-etching and Ti-grafting treatment has been designed for preparation of hierarchically structured titanosilicate catalysts. The alkali-etching process creates abundant mesopores and Si-OH groups in the nanozeolite precursors, effectively increasing the titanium loadings and accelerating the mass transfer during the reactions. Benefiting from the developed micro/mesoporous structures, the adjustable Ti loadings and the intrinsic hydrophobicity of precursor nanozeolites, the resultant catalysts demonstrate superior performance toward the catalytic oxidation desulfurization (ODS) of fuels, i.e. in 3 h, the complete conversion of thiophene (Th), benzothiophene (BT) and dibenzothiophene (DBT) which are three typical refractory sulfur compounds with diverse reducibility and molecule sizes in fuels. [Display omitted] • Hierarchical structure and abundant active sites obtained by the sequential alkali-etching and Ti-grafting process on S-1. • Notable desulfurization performance toward small or bulky refractory compounds simultaneously. • Completely removal of Th, BT and DBT by TS-1 prepared in the same manner. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
  Group: Ab
  Data: <i>Copyright of Microporous & Mesoporous Materials is the property of Elsevier B.V. and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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RecordInfo BibRecord:
  BibEntity:
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      – Type: doi
        Value: 10.1016/j.micromeso.2025.113556
    Languages:
      – Code: eng
        Text: English
    PhysicalDescription:
      Pagination:
        PageCount: 1
        StartPage: N.PAG
    Subjects:
      – SubjectFull: Catalytic oxidation
        Type: general
      – SubjectFull: Molecular size
        Type: general
      – SubjectFull: Mass transfer
        Type: general
      – SubjectFull: Sulfur compounds
        Type: general
      – SubjectFull: Desulfurization
        Type: general
    Titles:
      – TitleFull: Ti-grafting functionalization on alkali-etched nanozeolites to enhance their catalytic performance toward oxidation desulfurization of fuels.
        Type: main
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          Name:
            NameFull: Feng, Yichen
      – PersonEntity:
          Name:
            NameFull: Li, Linghao
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            NameFull: Huang, Jian
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            NameFull: Wang, Wei
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            NameFull: Lu, Bowen
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            NameFull: Yang, Siyu
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            NameFull: Xu, Haiwei
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            NameFull: Shi, Ying
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            NameFull: Hua, Zile
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          Dates:
            – D: 01
              M: 05
              Text: May2025
              Type: published
              Y: 2025
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            – Type: issn-print
              Value: 13871811
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            – Type: volume
              Value: 389
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            – TitleFull: Microporous & Mesoporous Materials
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