光催化去除有害藻类的研究进展

水体富营养化及有害藻类水华严重威胁着水体生态环境和人类健康,如何有效防治藻类水华成为研究者面临的重大环境问题之一。光催化技术具有效率高、成本低、环境友好等特点,有望成为未来高新技术的新希望。文章阐述了光催化技术的原理及该技术应用于去除水华藻类的优势。综述了近年来TiO2和改性TiO2等几类催化剂应用于光催化除藻的研究进展,并分析和总结了光催化除藻技术的影响因素和一般性规律,指出了光催化除藻存在的问题和发展前景,为光催化技术应用于防治有害藻类水华的研究与实践提供理论依据。

Progress in Photocatalytic Methods for Harmful Algae Removal

Eutrophication and harmful algal blooms(HABs) are serious threats to ecological environment,which may even cause negative impacts to the health of people.As a result,it has become one of the most important environmental issues to effectively treat with HABs.Photocatalytic technology is a promising hi-tech method,with the features of cost effectively and environmental friendly.Mechanism and advantages of photocatalytic methods for algal removing were introduced.Different photocatalytic materials such as TiO2 and modified TiO2 were reviewed on their algal removing applications.General laws and factors affecting the removal of algae by photocatalytic methods,as well as the existing problems and developing trends were briefly summarized,which would provide scientific basis for future research and practice.