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Efficient uranium removal by amidoxime functionalized graphitic carbon nitride and its potential mechanism.

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Title: Efficient uranium removal by amidoxime functionalized graphitic carbon nitride and its potential mechanism.
Authors: Li, Qi1 (AUTHOR), Wang, Jiaqi1 (AUTHOR), Hou, Hairui2 (AUTHOR), Wang, Min1 (AUTHOR), Yu, Shujun2 (AUTHOR) sjyu@ncepu.edu.cn, Xu, Huan3 (AUTHOR) huan.xu@aust.edu.cn, Fu, Dong1 (AUTHOR), Wang, Xiangxue1 (AUTHOR) xxwang@ncepu.edu.cn
Source: Journal of Radioanalytical & Nuclear Chemistry. Jan2025, Vol. 334 Issue 1, p419-431. 13p.
Subjects: Zeta potential, Complex ions, Nitrides, Sorption, Atmospheric temperature, Uranium
Abstract: In this work, an amidoxime functionalized graphitic carbon nitride (g–C3N4–AO) was prepared by grafting amidoxime groups onto graphitic carbon nitride (g–C3N4). The results of the kinetic and isotherm studies conducted on g–C3N4–AO indicate it exhibits rapid sorption kinetics by achieving equilibrium in 30 min with a homogeneous surface which performed a maximum sorption capacity of 67.1 mg g−1. The zeta potential values of the g–C3N4–AO are between 35 to − 44.3 mV in the pH range of 2.0–11.0. It was further observed that it complexes with uranium ions, which act as bidentate ligands, utilizing the lone pairs on O and N atoms. The empirical evidence strongly suggests that the utilization of g–C3N4–AO in uranium water remediation can be a promising solution. [ABSTRACT FROM AUTHOR]
Copyright of Journal of Radioanalytical & Nuclear Chemistry is the property of Springer Nature 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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  Data: Efficient uranium removal by amidoxime functionalized graphitic carbon nitride and its potential mechanism.
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  Data: <searchLink fieldCode="AR" term="%22Li%2C+Qi%22">Li, Qi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Jiaqi%22">Wang, Jiaqi</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Hou%2C+Hairui%22">Hou, Hairui</searchLink><relatesTo>2</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Min%22">Wang, Min</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Yu%2C+Shujun%22">Yu, Shujun</searchLink><relatesTo>2</relatesTo> (AUTHOR)<i> sjyu@ncepu.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Xu%2C+Huan%22">Xu, Huan</searchLink><relatesTo>3</relatesTo> (AUTHOR)<i> huan.xu@aust.edu.cn</i><br /><searchLink fieldCode="AR" term="%22Fu%2C+Dong%22">Fu, Dong</searchLink><relatesTo>1</relatesTo> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Wang%2C+Xiangxue%22">Wang, Xiangxue</searchLink><relatesTo>1</relatesTo> (AUTHOR)<i> xxwang@ncepu.edu.cn</i>
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  Data: <searchLink fieldCode="JN" term="%22Journal+of+Radioanalytical+%26+Nuclear+Chemistry%22">Journal of Radioanalytical & Nuclear Chemistry</searchLink>. Jan2025, Vol. 334 Issue 1, p419-431. 13p.
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  Data: <searchLink fieldCode="DE" term="%22Zeta+potential%22">Zeta potential</searchLink><br /><searchLink fieldCode="DE" term="%22Complex+ions%22">Complex ions</searchLink><br /><searchLink fieldCode="DE" term="%22Nitrides%22">Nitrides</searchLink><br /><searchLink fieldCode="DE" term="%22Sorption%22">Sorption</searchLink><br /><searchLink fieldCode="DE" term="%22Atmospheric+temperature%22">Atmospheric temperature</searchLink><br /><searchLink fieldCode="DE" term="%22Uranium%22">Uranium</searchLink>
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  Label: Abstract
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  Data: In this work, an amidoxime functionalized graphitic carbon nitride (g–C3N4–AO) was prepared by grafting amidoxime groups onto graphitic carbon nitride (g–C3N4). The results of the kinetic and isotherm studies conducted on g–C3N4–AO indicate it exhibits rapid sorption kinetics by achieving equilibrium in 30 min with a homogeneous surface which performed a maximum sorption capacity of 67.1 mg g−1. The zeta potential values of the g–C3N4–AO are between 35 to − 44.3 mV in the pH range of 2.0–11.0. It was further observed that it complexes with uranium ions, which act as bidentate ligands, utilizing the lone pairs on O and N atoms. The empirical evidence strongly suggests that the utilization of g–C3N4–AO in uranium water remediation can be a promising solution. [ABSTRACT FROM AUTHOR]
– Name: AbstractSuppliedCopyright
  Label:
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  Data: <i>Copyright of Journal of Radioanalytical & Nuclear Chemistry is the property of Springer Nature 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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        Value: 10.1007/s10967-024-09848-1
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      – Code: eng
        Text: English
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        PageCount: 13
        StartPage: 419
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      – SubjectFull: Zeta potential
        Type: general
      – SubjectFull: Complex ions
        Type: general
      – SubjectFull: Nitrides
        Type: general
      – SubjectFull: Sorption
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      – SubjectFull: Atmospheric temperature
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      – SubjectFull: Uranium
        Type: general
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      – TitleFull: Efficient uranium removal by amidoxime functionalized graphitic carbon nitride and its potential mechanism.
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              Text: Jan2025
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              Y: 2025
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