“The combined process with ultrafiltration may be another promising choice, featuring a comparable removing performance as the nanofiltration and low operational cost”. This claim is not supported by our research. To avoid misunderstandings for readers, we changed the claim and revised the sentence. The revised version is as follows: The combined process with UF may be another promising choice as an alternative to nanofiltration for removing PPCPs in rural areas. It can be seen in lines 54-55.
Point 13: Please provide high quality image of figure 1.