Experimental Study on UF-NF Filtration Purification of Pipe Drinking Water

With the municipal tap water of a residential community in northern China as the research object, this study used UF-NF (ultrafiltration-nanofiltration) double-membrane separation technology to assemble and produce the drinking water device. The quality of tap water was compared with the quality of direct drinking water in pipelines. The removal effect of pollutants in water was analyzed, and the relationship between the operating pressure and pollutant removal was studied. It was verified that UF-NF combination is an ideal filtration and purification process for direct drinking water system.