Results and discussion
3.1. Organic pollutants in tap water
42 kinds of trace organic pollutants in 11 categories including halohydrocarbon, alkanes, aromatic,
heterocyclic compounds, ester and phthalates were detected from three raw water samples (Table 1). The
species of each water sample somewhat difference, but they account for similar proportion. The prime
differences among them were the levels of certain kinds of benzene series, amines and alkanes. These
distinctions probably caused by the different temperatures at which enrichment experiments were
operated [19].