Original Tanfo TF22-8040 8-inch high-pressure reverse osmosis RO membrane
Introduction:The F31-8040/TF31-4040 low-pressure brackish water desalination reverse osmosis membrane element, through innovative technology, has achieved a 40% reduction in operating pressure under the same water production volume, making it suitable for large-scale industrial and municipal water treatment systems. During use, it demonstrates excellent economic performance of the system.
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Product parameter:
Product Parameters
Model | Effective Membrane Area ft² (m²) | Stable Salt Rejection % | Minimum Salt Rejection % | Permeate Flow gpd (m³/d) |
|---|---|---|---|---|
TF22-8040 | 400 (37) | 99.5 | 99.0 | 10,500 (40) |
TF22-4040 | 78 (7.2) | 99.5 | 99.0 | 2,050 (7.8) |
Test Conditions: Feed Pressure 1.55 MPa (225 psi); Feed Temperature 25°C (77°F); Feed Water Quality 2000 ppm NaCl; Feed pH 8; Recovery 15%.
Outline Dimensions
Operating Conditions
Item | Value |
|---|---|
Maximum Operating Pressure | 41 bar (600 psi) |
Maximum Operating Temperature | 45°C (113°F) |
Max. Pressure Drop per Element | 1.0 bar (15 psi) |
Continuous Operating pH Range | 2 - 11 |
Chemical Cleaning pH Range | 1 - 13 |
Maximum Feed SDI₁₅ | 5.0 |
Allowable Free Chlorine Content | < 0.1 ppm |
Notes
The flow rate of individual membrane elements may vary, but within a range of ±15%.
The effective membrane area may vary within a range of ±4%.
Stable salt rejection is generally measured after 24-48 hours of continuous operation, depending on feed water quality and operating conditions.
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