Reaction mechanism and selectivity regulation of photocatalytic nitrate reduction for wastewater purification: progress and challenges,Journal of Materials Chemistry A

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Reaction mechanism and selectivity regulation of photocatalytic nitrate reduction for wastewater purification: progress and challenges
Journal of Materials Chemistry A ( IF 10.7 ) Pub Date : 2022-08-01 , DOI: 10.1039/d2ta04611c
Weiping Yang ₁ , Jielin Wang ₁ , Ruimin Chen ₁ , Lei Xiao ₁ , Shujie Shen ₁ , Jieyuan Li ₁ , Fan Dong ₁

Affiliation

The excess emission of nitrate into wastewater is inevitable by the abundant use of fertilizers and other chemicals, which poses a huge threat to the environment and human health. Photocatalytic nitrate reduction is regarded as a promising strategy to remove nitrate on account of the high efficiency, low energy consumption and wide applicability. In this review, the mechanism of photocatalytic nitrate reduction is summarized, especially the generation and transformation mechanism of the reactive species and intermediate products is concluded. Then the methods for investigating and regulating selectivity for innocent nitrogen production from nitrate reduction are proposed. At last, the challenges and outlooks of photocatalytic nitrate reduction are put forward as a near-future technology.

中文翻译：

光催化硝酸盐还原净化废水的反应机理与选择性调控：进展与挑战

由于大量使用化肥和其他化学品，硝酸盐过量排放到废水中是不可避免的，这对环境和人类健康构成了巨大威胁。光催化硝酸盐还原以其高效、低能耗和广泛的适用性被认为是一种很有前景的去除硝酸盐的策略。本文综述了光催化硝酸盐还原的机理，特别是对活性物质和中间产物的生成和转化机理进行了总结。然后提出了研究和调节硝酸盐还原无害产氮选择性的方法。最后，提出了光催化硝酸盐还原作为近期技术面临的挑战和展望。

更新日期：2022-08-01

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