太阳能光热催化消毒工艺研究进展

Recent advances of nanomaterial-enabled photothermalcatalysis enhanced solar water disinfection process

水体中的病原微生物对人类健康构成了巨大威胁.传统太阳能水消毒(solar disinfection,SODIS)具有太阳能利用率不够高及杀菌效率低等缺陷,通过纳米光热催化材料为强化SODIS提供了一种具有前景的解决策略.本文系统总结了近年来光热催化剂的研究进展,介绍了多种光热催化材料的光热转换效率和杀菌性能,并对其提高光热催化材料的光热转换和光热性能的方法原理进行了分析;进一步阐述了活性氧物种和热能的协同攻击对微生物的光热催化杀菌机制;概述了光热催化杀菌系统的未来问题与展望.

The pathogenic microorganisms in water pose a great threat to human health.Photothermacatalytic disinfection using nanomaterials has offered a promising and effective strategy to address the challenges in solar water disinfection(SODIS).This review systematically summarized recent advances in developing photothermal catalysts,the light-to-heat conversion and disinfection performance of a variety of photothermalcatalytic nano-materials were presented,and how to improve the photothermal conversion and photothermal performance of nano-materials was also analyzed;the photothermalcatalytic disinfection mechanism of microorganisms by the coordinated attack of reactive oxygen species(ROSs) and thermal energy was further elaborated;future challenges and opportunities associated with the development of cost-effective photothermal disinfection systems were also outlined.