铁酸铋的制备及其在废水中的应用研究进展
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O644

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新疆维吾尔自治区自然科学基金资助项目(2018D01A14)


Research Progress on the Preparation of BiFeO3 and Its Application in Wastewater
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Supported by the Natural Science Foundation of Xinjiang Uygur Autonomous Region(2018D01A14)

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    摘要:

    有机污染是当今社会最主要的环境问题之一,光催化降解有机污染物是一种新型高效的处理方法。BiFeO3是目前唯一的一种在室温下具有铁电性和铁磁性的单相多铁材料,具有窄的带隙与良好的可见光吸收性能,可以将有机污染转换为无毒无害的形式,或完全降解为 CO2 和 H2O。BiFeO3的优良性能,使之在光催化领域有着广阔的应用前景,是研究者的重点关注方向。本文综述了近几年BiFeO3光催化材料常用的制备方法以及其在废水处理中的应用;概述了BiFeO3催化剂的改进(离子掺杂、半导体复合、贵金属沉积等)和反应条件的优化(光源、pH、催化剂浓度等)这两个方面在提高其光催化效果的研究进展;最后总结了BiFeO3材料在废水处理中存在的问题,并对今后的研究进行了展望。

    Abstract:

    Organic pollution is one of the most important issues, which can be efficiently handled by photocatalytic degradation of organic pollutants. Bismuth ferrite is found to be the only single-phase multiferroic material with ferroelectric and ferromagnetic properties at room temperature. It has narrow-band gap and good visible light absorption performance, which converts organic pollution into non-toxic and harmless forms, or completely degraded to CO2 and H2O. Therefore, BiFeO3 has a broad application prospect in the field of photocatalysis due to its excellent performance, which attracts much attention of the researchers. In this review, the common preparation methods of BiFeO3 photocatalytic materials and their applications in wastewater treatment are summarized. The improvement of BiFeO3 catalysts (ions doping, semiconductor recombination, noble metal deposition) and the optimization of reaction conditions (for example light source, pH, catalyst concentration, etc.) in improving its photocatalytic effect are also reviewed. Finally, the problems of BiFeO3 materials in wastewater treatment are summarized and the outlook for future research is proposed.

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杜泽,林宁,匡代洪. 铁酸铋的制备及其在废水中的应用研究进展[J]. 科学技术与工程, 2022, 22(4): 1299-1307.
Du Ze, Lin Ning, Kuang Daihong. Research Progress on the Preparation of BiFeO3 and Its Application in Wastewater[J]. Science Technology and Engineering,2022,22(4):1299-1307.

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  • 收稿日期:2021-04-17
  • 最后修改日期:2021-10-26
  • 录用日期:2021-09-28
  • 在线发布日期: 2022-01-28
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