Our 8inch Reverse Osmosis Membrane is an advanced filtration technology specifically designed for use with feed water less than 1500ppm. This versatile membrane can be employed in various applications, including residential dual water supply systems, pure water preparation plants, industrial settings, and food production facilities, among others.
The ULP-8040HF model boasts an active membrane area of 440 ft² (40.9 m²) and a concentrate channel spacer of 28 mil. Under standard test conditions (1500 mg/L NaCl concentration, 25°C temperature, pH 7.5-8, 150 psi (1.03 MPa) operating pressure, and 15% recovery rate), this membrane can deliver a permeate flow of 12,500 GPD (47.3 m³/d), with a stable rejection rate of 99.50% and a minimum rejection rate of 99.40%. However, it is important to note that the permeate flow of a single membrane element may vary within ±15%.
This membrane operates within specific limits and conditions to ensure optimal performance and durability. The maximum working pressure is 600 psi (4.14 MPa), and the maximum feed water temperature is 45°C. The feed water's maximum silt density index (SDI15) should not exceed 5.0, and the maximum feed water flow is 17 m³/h. The feed water's free chlorine concentration should be limited to 0.1 mg/L.
During continuous operation, the pH range of the feed water must be maintained between 3 and 10. For chemical cleaning procedures, the pH range can be extended from 1 to 13. Lastly, the maximum pressure drop of a single membrane element should not surpass 15 psi (0.1 MPa).
SPECIFICATIONS & PARAMETERS
Active Membrane Area ft2(m2)
Concentrate Channel Spacer (mil)
Permeate Flow GPD(m3/d)
Stable Rejection Rate (%)
Minimum Rejection Rate (%)
STANDARD TEST CONDITION
Concentration of Solution (NaCl)
Operating Pressure psi(MPa)
Notes: The permeate flow of single membrane element may vary with in ±15%.
Operating Limits and Conditions of Membrane Element:
Max. FeedWater Temperature
Max. Feed Water Flow
Free Chlorine Concentration of FeedWater
pH Range of FeedWaterDuring Continuous Operation
pH Range of FeedWaterDuring Chemical Cleaning
Max. Pressure Drop of Single Membrane Element
In summary, the 8-inch reverse osmosis membrane is a highly efficient and versatile solution for desalination applications in various industries. With its impressive specifications and strict operating conditions, this membrane ensures reliable performance and high-quality water output.
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