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MIL-100(Fe)/g-C3N4 composites with enhanced photocatalytic activity for UO22+ reduction under visible light.
Le, Zhanggao; Xue, Jinming; Wang, Bo; Zhu, Ye'an; Wu, Zhiwen; Nie, Yidan; Xie, Zongbo.
Afiliación
  • Le Z; Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
  • Xue J; State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, China.
  • Wang B; Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
  • Zhu Y; State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, China.
  • Wu Z; Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
  • Nie Y; State Key Laboratory of Nuclear Resources and Environment, East China University of Technology, Nanchang, 330013, China.
  • Xie Z; Jiangxi Province Key Laboratory of Synthetic Chemistry, East China University of Technology, Nanchang, 330013, China.
Photochem Photobiol Sci ; 22(1): 59-71, 2023 Jan.
Article en En | MEDLINE | ID: mdl-36087239
As a clean energy source, nuclear energy can gradually replace traditional fossil energy sources, and is an important means to achieve the "double carbon goal". Uranium-containing wastewater is inevitable in the development of nuclear energy. The composites MIL/CNx of MOF material MIL-100(Fe) and carbon nitride (CN) were obtained by a simple solvo-thermal method using iron nitrate, homophthalic acid and CN. The material MIL-100(Fe) with high specific surface area was compounded with CN to increase the in-plane adsorption sites, which could adsorb 30% of uranium in solution during the dark reaction. The close interfacial contact of the two materials effectively inhibited the complexation of photo-generated electrons and holes and promotes electron migration. These two synergistic effects improved their overall photocatalytic reduction capacity, which could reduce 97% of UO22+ in solution in 20 min. The UO22+ removal efficiency of MIL/CN0.1 was 2.3 and 1.6 times higher than that of CN and MIL-100(Fe), respectively. In addition, MIL/CN0.1 was stable in reducing uranium during the five cycles of the experiment.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Uranio Idioma: En Revista: Photochem Photobiol Sci Asunto de la revista: BIOLOGIA / QUIMICA Año: 2023 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Uranio Idioma: En Revista: Photochem Photobiol Sci Asunto de la revista: BIOLOGIA / QUIMICA Año: 2023 Tipo del documento: Article País de afiliación: China Pais de publicación: Reino Unido