水处理

BDXB-400 series of RO water treatment membrane elementsis used for the desalination of brackish water and other similar water and it has high desalination rate and long time stable performance under high flow and low operating pressure.BDXB-400 series is applicable to the water which contains less than 5000ppm salt. It is used to produce pure water or ultra pure water in Electronics, Power, Petrochemical, Food, Beverage and Pharmacy. ModelBDX8040B-400 CapabilityMaterialsPA (polyamide) Average Salt Rejection%99.4(98.0) Permeate Flowgpd(m3/d)10500(40) Error±15% Active Membrane Area ft2(m2)400 (37) Testing Conditions Standard Solution 2000 ppm NaCl Operating Pressure psi(MPa)225(1.55) Recovery Rate of Single Membrane Element 15% Temperature deg C25 PH Value of Solution6.5-8.5 Test TimeRun for 30 minutes Limiting Conditions Max. Feedwater Temperature deg C45 Max. Operating Pressure psi(MPa)600(4.12) Max. Feedwater Flowgpm(m3/h)75(17.0)Max. SDI of Feedwater5 Max. NTU of Feedwater1 Concentration of Free Chlorine --- ppm< 0.1 PH Value Range of Feedwater as Continuous Operation 2-11 PH Value Range of Feedwater as Chemical Cleaning 1-12 Max. Pressure Difference of Single Membrane Element psi(MPa)13(0.09) The minimal proportion of single membrane element's conc. press to perm. Flow 5 : 1