Thanks for the reviewer’s comment. The introduction has been revised carefully, including using up-to-date references. For example, the outdated references have been removed. Meanwhile, the articles published within the last two years were added, such as (the Reference2 Yu et al., 2020) and (the Reference21 Tang et al., 2018).
Nev- 21 ertheless, BAC and UF were both related to the removal effects of NH4+-N, NO2−-N and NO3−-N. 22 Importantly, the BAC-UF process showed high efficiency in the removal PPCPs micropollutants 23 and the average removal of total PPCPs reached 47.84%, especially Anhydroerythromycin, Sul- 24 fachloropyridazine, Sulfadiazine, Trimethoprim, and Caffeine.