石墨相氮化碳基材料光催化还原除铀研究进展

摘要/Abstract

摘要： 将光催化技术应用于含铀废水处理具有广阔的前景。石墨相氮化碳(g-C₃N₄)基催化剂因具有合适的能带结构、出色的稳定性以及光电性能,成为了研究最多的光催化除铀材料。因此本文综述了g-C₃N₄基材料在光催化还原除铀中的研究进展,探讨了光催化除铀的机理、g-C₃N₄基光催化剂的合成技术及研究现状,指出了g-C₃N₄基材料光催化还原除铀的应用挑战并展望了未来的发展前景。

关键词: 石墨相氮化碳, 铀, 光催化, 还原, 去除, 水处理

Abstract: Photocatalytic technology is considered to have a broad application in the treatment of uranium-containing wastewater. g-C₃N₄ has become the most studied material of photocatalytic reduction uranium (U(VI)) due to its suitable band structure, excellent stability and optoelectrochemocal properties. In this paper, the advances in research of g-C₃N₄ based materials in photocatalytic reduction of U(VI) were reviewed. The mechanism of U(VI) removal through photocatalysis, the synthesis technology and the research status of g-C₃N₄ based photocatalysts were discussed. The practical application challenges of photocatalytic reduction of U(VI) by g-C₃N₄ based materials were identified and future research orientations were suggested.

Key words: g-C₃N₄, uranium, photocatalysis, reduction, removal, water treatment

中图分类号:

X703.5

秦泽敏. 石墨相氮化碳基材料光催化还原除铀研究进展[J]. 硅酸盐通报, 2022, 41(12): 4458-4468.

QIN Zemin. Research Progress on Photocatalytic Reduction of Uranium by g-C₃N₄ Based Materials[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(12): 4458-4468.

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