Abstract
Chemical high-risk pollutants (HRPs) in wastewater have received growing concerns in recent years for their persistent input and potential threat to ecological environment and human health. Heavy metals, persistent organic pollutants (POPs), pharmaceutical and personal care products (PPCPs), endocrine disrupting chemicals (EDCs), and disinfection by-products (DBPs) are the most frequently detectable chemical HRPs in wastewater. Understanding the environmental behavior and transformation characteristic of chemical HRPs is important to their removal and risk reduction in environment. In this chapter, according to the different types of chemical HRPs in municipal wastewater and industrial wastewater, the source of different chemical HRPs are introduced at first. Then, the occurrence and contamination levels of chemical HRPs are summarized item by item. Furthermore, the migration and transformation processes of chemical HRPs and the major factors are described in detail. This information contributes not only to further understand the fate of chemical HRPs but also to control the HRPs in wastewater.
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