The BAC biofilter can remove the PPCPs, and then the following UF can reject micro-organisms and particles flowing out from the biofilter to ensure the quality of drinking water.
Point 3: Line 46-52: & line 84-85 “Ultrafiltration (UF) as an emerging alternative technology to conventional water treatment processes, has been widely used to remove pollutants such as particles, colloids, bacteria, and viruses, thus reducing the risk of water-borne diseases [10].