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Hydranautics ESPA-1 Low Energy RO Membrane: 8" x 40"
(Suggested alternative: Filmtec XFRLE-400-34i)
ESPA® (Energy Saving Polyamide) elements achieve high flux/lower pressure without compromising standards for high rejection. Since its introduction in the late 1990s, the ESPA® membrane has gained wide acceptance in the water treatment industry due to the significant operational cost savings associated with their use.
Advantages - Lower pressure for lower CAPEX/OPEX
Applications
- Municipal potable and wastewater plants
- Bottling operations
- Light industrial
Performance
- Permeate Flow: 12,000 gpd (45.4m3/d)
- Salt Rejection: 99.4%(99.2% minimum)
Application Data| Maximum Applied Pressure | 600 psig (4.14 MPa) | | Maximum Chlorine Concentration | < 0.1 PPM | | Maximum Operating Temperature | 113 °F (45 °C) | | pH Range, Continuous (Cleaning) | 2-10 (1-12)* | | Maximum Feedwater Turbidity | 1.0 NTU | | Maximum Feedwater SDI (15 mins) | 5.0 | | Maximum Feed Flow | 75 GPM (17.0 m3 /h) | | Minimum Ratio of Concentrate to Permeate Flow for any Element | 5:1 | | Maximum Pressure Drop for Each Element | 15 PSI |
* The limitations shown here are for general use. For specific projects, operating at more conservative values may ensure the best performance and longest life of the membrane. See Hydranautics Technical Bulletins for more detail on operation limits, cleaning pH, and cleaning temperatures
Performance
- Permeate Flow: 12,000 gpd (45.4m3/d)
- Salt Rejection: 99.4%(99.2% minimum)
Application Data| Maximum Applied Pressure | 600 psig (4.14 MPa) | | Maximum Chlorine Concentration | < 0.1 PPM | | Maximum Operating Temperature | 113 °F (45 °C) | | pH Range, Continuous (Cleaning) | 2-10 (1-12)* | | Maximum Feedwater Turbidity | 1.0 NTU | | Maximum Feedwater SDI (15 mins) | 5.0 | | Maximum Feed Flow | 75 GPM (17.0 m3 /h) | | Minimum Ratio of Concentrate to Permeate Flow for any Element | 5:1 | | Maximum Pressure Drop for Each Element | 15 PSI |
* The limitations shown here are for general use. For specific projects, operating at more conservative values may ensure the best performance and longest life of the membrane. See Hydranautics Technical Bulletins for more detail on operation limits, cleaning pH, and cleaning temperatures
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