ESPA4 LD

Membrana ad osmosi inversa Hydranautics ESPA4 LD 8040 ( Diametro 8″ x Lunghezza 40″ ) con tecnologia Low Fouling Technology per una migliore resistenza a lavaggi con pH elevato e progettata per ridurre problemi di fouling colloidale e biologico.

Le membrane ESPA (Energy Saving Poliammide) sono della tipologia a bassa pressione ed utilizzate in impianti di trattamento acqua ad uso potabile, industriale e recupero acque reflue.

Category:

Description

Performance
Permeate Flow: 12,000 gpd (45.4 m3/d)
Salt Rejection: 99.2% (99.0% minimum)
Type Configuration: Low Fouling Spiral Wound
Membrane Polymer: Composite Polyamide Membrane
Active Area: 400 ft2 (37.1m2)
Feed Spacer: 34 mil (0.864 mm) with biostatic agent

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.

Test Conditions
The stated performance is initial (data taken after 30 minutes of operation), based on the following conditions:
500 PPM NaCl solution
100 psi (0.7 MPa) Applied Pressure
77 F (25 C) Operating Temperature
15% Permeate Recovery
6.5 – 7.0 pH Range