... environmental requiremenOverview Ultrafiltration is a separation technique widely used.Mainly the use of polysulfone, microporous polyethersulfone ultrafiltration membranes (molecular ... than 1 SDI, the SDI value, the turbidity is very satisfactory.The pretreatment facilities are exempt large, does not need the coagulant, flocculation, comply ... 0.2Work temperature(°C):10-45 ultra pure water system