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Membrane Parameters Product Part number Active Area ft2(M2) Feed Spacer Thickness (mil) Permeate flow rate gpd (m3/d) Stabilized salt rejection (%) Minimum salt rejection (%) BW30-365 80773 365 (34) 34 9,500 (36) 99.5% 99.0% BW30-400 98650 400 (37) 28 10,500 (40) 99.5% 99.0% Same point: Salt rejection rate is the same 99.5% Difference: BW30-365 BW30-400 Related…

Since the hardness of water is mainly formed and expressed by calcium and magnesium, cation exchange resin (water softener) is generally used to replace Ca2+and Mg2+(the main component of scale formation) in water. With the increase of Ca2+and Mg2+in the resin, the efficiency of removing Ca2+and Mg2+by the resin decreases gradually.The softening device is divided…