Home » Blog » What Is Ultrafiltration? How UF Membranes Work Ultrafiltration (UF) stands at the intersection of mechanical filtration and membrane science. It removes suspended solids, bacteria, and high-molecular-weight substances from water using a semipermeable membrane with extremely fine pores. Unlike conventional sediment filters that trap visible debris, ultrafiltration captures contaminants at a microscopic … Continue reading What Is Ultrafiltration? How UF Membranes Work