Abstract
Nanomaterials with desirable properties for environmental protection have been successfully developed during the past few decades. Various micropollutants emerging in the environment have attracted increasing attention because of their resistance to traditional water purification processes, persistent accumulation in biotics, and long-term toxicity to life. This chapter focuses on the removal of some typical persistent organic pollutants (POPs), especially by utilizing advanced nanomaterials with sufficient efficacy. It starts by presenting an overview on the status and challenges in controlling POPs. It then explains how certain nanomaterials could be utilized in the removal of POPs through adsorption, chemical reduction, electrochemical, and photocatalytic methods. Selective examples of cutting-edge research on the removal of POPs by photoelectrocatalysis over nanomaterials are highlighted, with a particular stress on the unique physicochemical properties of nanomaterials to this end and the underlying mechanisms accounting for their enhanced performances. By the end of the chapter a perspective on strategies for developing more efficient nanomaterials for removing POPs is described.
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