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Business Membranes

Our membranes are designed for medium size commercial application, they are the core parts of commerical water machines and pure water systems which are widely used at hospital, school, factory and laboratory.

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1、Product Description
Our membranes are designed for medium size commercial application, they are the core parts of commerical water machines and pure water systems which are widely used at hospital, school, factory and laboratory.
While the source water salinity is below 2000 ppm, FES series of membrane can be used for salt rejection treatment of all kinds of below the surface water, groundwater, tap water and municipal water. FES membarnes are mainly used in pure water, boiler feed water, food processing, pharmaceutical manufacturing industries and many other kinds of fields.
2、Specifications & Performance

Model FES-B1 FES-B2 FES-B3
Performance Stable salt rejection 97 97 97
Minimum salt rejection 95 95 95
Average permeate flow GPD(m³/d) 200(760) 300(1135) 600(2280)
Effective area of membrane ft2(m2) 10(1.0) 14(1.4) 26(2.4)
Tseting condition Testing pressure 65pai(0.45Mpa) 150(10.1Mpa)
Testing temperature 25℃ 25℃
Concentration of testing solution (NaCl) 500ppm 500ppm
PH value of testing solution 6.5-7.5 6.5-7.5
Recovery rate of single membrane element 15 15
Maximum operating condition Max operating pressure 300psi(2.07Mpa) 500psi(3.0Mpa
Max feedwater temperature 45℃ 45℃
Max SDI of feedwater 5 5
Max concentration of free chlorine <0.1ppm <0.1ppm
PH value range of continual feedwater 3~10 3~10
PH value range of income water when chemical cleaning 2~12 2~12
The maximum pressure drop of single membrane 10psi(0.07Mpa) 10psi(0.07Mpa)

3, Related Information
① The produced water amount listed in the table is an average value, compare with the standard value, the difference of the minimum amount of water produced by a single membrane does not exceed ± 15%.
② All wet membrane undergo rigorous factory inspection, and use specific protective solution and vacuum-packed, then stored in strong cartons. In order to prevent growth of microorganisms during short-term storage, transport and the system standby, we recommend preparation protective solution by RO membrane produced water, then immerse membrane.
③ When new membranes run, the produced water of at least the first hour has to be discharged out.

 

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