Low Energy Reverse Osmosis Membrane[25 Apr. 2010, 19:36:36]
Keterangan
AK4040TF Brackish Water Desalination Reverse Osmosis, Low Energy
The A-Series, family of proprietary thin-film reverse osmosis membrane elements are characterized by high flux and excellent sodium chloride rejection. AK Low Pressure Brackish Water Elements are selected when high rejection and low operating pressures are desired. These elements allow significant energy savings since good rejection is achieved at operating pressures as low as 100 psig ( 689 kPa) . AK4040TF Low Pressure Brackish Water elements feature a tape outerwrap and 28 mil feed spacers. This element is designed with male end connections.
Element Specifications
Model : AK4040TF
Flow : 2200 gpd
Active Area : 89 ft2
Avg. Rejection : 99%
Min. Rejection : 98%
Part Number : 1206816
Specifications are based on a 500 mg/ L NaCl solution at 115 psig operating pressure ( 793 kPa) , 77° F ( 25° C) , 15% recovery, pH 7.5 after 24 hours. Individual flux may vary + 25% / -15% .
Operating and Design Parameters
Membrane: Thin Film Membrane ( TFM® )
Typical Operating Pressure: 110 psig
Maximum Pressure: 400 psig
Maximum Temperature: 122° F
Chlorine Tolerance: 1, 000 ppm-hrs, dechlorination recommended
Optimum Rejection pH: 7.0 -7.5
Operating pH Range: 4.0 - 11.0
Cleaning pH Range: 2.0 - 11.5
Maximum Pressure Drop: 10 psig ( 69 kPa) per element
50 psig ( 345 kPa) per vessel
Feed NTU:
Prioritas Indotrade Tahun ke-13
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