光催化抑藻材料的研究进展

Advances in photocatalytic materials for algae inhibition

水体富营养化引起有害藻华爆发,严重危害了全球人类健康和生态环境.这一难题困扰了湖泊生态环境保护的研究者们几十年,但目前各项传统除藻手段仍存在一定不足,亟需在此基础上引入各种新技术.光催化技术凭借高效清洁、环境友好、操作简单等优势,在控制水体富营养化和抑制有害蓝藻水华爆发方面具有一定的应用前景.本文综述了近年来光催化材料去除有害藻华爆发的研究进展,阐明了光催化技术的抑藻机理,强调了除藻过程中藻毒素类污染物质的释放与去除问题,最后总结了光催化抑藻的关键限制性条件,指出了该技术在应用推广中要关注的因素,并对未来光催化材料强化水生态自净能力的研究方向进行展望.

The eutrophication induced by harmful algal blooms has seriously endangered human health and ecological environment worldwide.It is a challenge that has plagued researchers for decades in the research direction of lake ecology and environment restoration.In the context of the existing algae removal methods,photocatalytic technology,with its advantages of high efficiency,cleanliness,environmental friendliness,and simplicity of operation,has some prospects for application in controlling harmful algal blooms and eutrophication.Therefore,this study reviews the research progress of photocatalytic materials for removing harmful algae in recent years,clarifies the mechanism of algae inhibition by photocatalytic materials,and emphasizes the release and removal of toxic pollutants in the process of algae removal.Finally,we summarize the crucial limiting factors of photocatalytic materials for algae inhibition,point out the remaining shortcomings in the application and promotion of this technology.We hope this review provides an outlook on the future research of photocatalytic materials to enhance the self-purification ability of aquatic ecology.