Degradation of organic pollutants by intimately coupling photocatalytic materials with microbes: a review

文献类型： 外文期刊

第一作者： Zuo, Wenlu

作者： Zuo, Wenlu;Zhang, Lei;Zhang, Zhidong;Yu, Yadong;Zuo, Wenlu;Tang, Susu;Huang, He;Yu, Yadong;Zhang, Zhidong;Sun, Yongjun

作者机构：

关键词： Photocatalysis; biodegradation; organic pollutants; carrier; ICPB; biofilm

期刊名称：CRITICAL REVIEWS IN BIOTECHNOLOGY （ 影响因子：8.429； 五年影响因子：8.981 ）

ISSN： 0738-8551

年卷期： 2021 年 41 卷 2 期

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收录情况： SCI

摘要： With the rapid development of industry and agriculture, large amounts of organic pollutants have been released into the environment. Consequently, the degradation of refractory organic pollutants has become one of the toughest challenges in remediation. To solve this problem, intimate coupling of photocatalysis and biodegradation (ICPB) technology, which allows the simultaneous action of photocatalysis and biodegradation and thus integrates the advantages of photocatalytic reactions and biological treatments, was developed recently. ICPB consists mainly of porous carriers, photocatalysts, biofilms, and an illuminated reactor. Under illumination, photocatalysts on the surface of the carriers convert refractory pollutants into biodegradable products through photocatalytic reactions, after which these products are completely degraded by the biofilms cultivated in the carriers. Additionally, the biofilms are protected by the carriers from the harmful light and free radicals generated by the photocatalyst. Compared with traditional technologies, ICPB remarkably improves the degradation efficiency and reduces the cost of bioremediation. In this review, we introduce the origin and mechanisms of ICPB, discuss the development of reactors, carriers, photocatalysts, and biofilms used in ICPB, and summarize the applications of ICPB to treat organic pollutants. Finally, gaps in this research as well as future perspectives are discussed.

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