... protectingfilter, hollow fiber ultra filter, sterilization, water tank,and fittings).Ultrafiltration technology instruction(A)Principle of Ultrafiltration : ... Ultrafiltration :Colloid(Non-activated silicon,iron and alumium),bacteria,virus and potozoa other microorganisms,in 2000-50 Dalton ... weight. Such as the production of pure water and mineral water,reuse of industrial water.3. UF separate ...