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E-MEM Commercial reverse osmosis membrane elements
E-MEM Commercial reverse osmosis membrane elements
                E-MEM® ULP (Ultra Low Pressure) Commercial Series ultra-low pressure reverse osmosis membrane element is a E-MEM Environmental Technology Company developed the series of membrane elements membrane element ensuring water production and desalination rate basis can effectively reduce the system operating pressure, save energy and reduce operating costs. The membrane elements for desalination and advanced treatment for desalination less demanding low salinity water, such as water, low salinity surface water, groundwater and municipal water. Now widely used in a variety of areas of all sizes, pure water, boiler feed water, food processing and pharmaceutical manufacturing industries


Commercial reverse osmosis membrane element performance parameters:

  
Membrane element models  EM-RO- EM-RO- EM-RO-
4021-ULP 2540-ULP 2521-ULP
Effective membrane area  ft2 36 30 14
m2 3.3 2.8 1.3
The main performance  Desalination rate (%)  Stable  99 99 99
Lowest 98 98 98
Average water production  m3/d 3.6 2.8 1.1
GPD 950 750 300
Test Conditions  Liquid composition  NaCl,1000ppm
Temperature (℃)  25±1
Influent pH  7.5±0.5
Recovery (%)  15±1
Test pressure (psi/MPa) 150/1.03
Limiting Conditions  The maximum water pressure(psi/MPa) 600/4.14
Maximum water temperature (℃)  45
Maximum water SDI15 5
The maximum water flow  2.5inches:6.0(1.4);4.0inches:16(3.6)
gpm(m3/h)
The largest single membrane element drop (psi/MPa) 15/0.1
Influent free chlorine concentration (ppm) <0.1
Influent pH  3~10
Cleaning pH  2~12
Provided in the form of  Wet & Dry membrane elements membrane elements


Commercial reverse osmosis membrane element diagram:

   

Commercial reverse osmosis membrane elements Specifications Dimensions Code:

  
E-MEM® Commercial reverse osmosis membrane elements Dimensions: EM-RO- EM-RO- EM-RO-
4021-ULP 2540-ULP 2521-ULP
A(±2.0mm) 533 1016 533
B(±1.0mm) 100 61 61
C(±1.0mm) 26.7 30.2 30.2
D(±0.1mm) 19.1(外径) 19.1(外径) 19.1(外径)