| Specifications : |
|
| Number of membranes |
3 |
| Membrane |
DOW Filmtec SWRO 3x21” |
| Power consumption* |
720 W |
| Water production* |
approx 4800 l/day (1270 GPD**) |
| *Design parameter: Output 200 l/h, 3 phases 400 Volt 50 Hz, 25 C sea water at 35.000 TDS +/- 15% |
| ** Measured in US Gallons |
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| Connections : |
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| Electrical specifications |
3 phases 230 V 50/60 Hz |
|
3 phases 400 V 50/60 Hz |
|
1 phase 110V/230V 50/60 Hz w/Danfoss VFD/VLT only |
| Feed water inlet* |
Ø 19mm |
| Fresh water flush inlet |
Ø 19mm |
| Brine outlet |
Ø 19mm |
| Permeate outlet |
Ø 19mm |
| * Pipe connections: All measurements are internal diameters |
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| Operating limits : |
|
| Feed water temperature |
5 – 45 C
(41 – 113 F ) |
| Ambient temperature |
5 – 45 C (41 – 113 F ) |
| Feed pressure |
2 – 5 bar ( 29 – 72 PSI ) |
| Fresh water flush pressure |
2 – 5 bar ( 29 – 72 PSI ) |
| Minimum feed water flow |
1.2 m3/h (5.3 GPM ) |
| Minimum fresh water flush flow |
1.2 m3/h (5.3 GPM ) |
| Maximum pressure drop permeate line |
0.2 bar (2.9 PSI ) |
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| Feed water requirements* : |
|
| Total dissolved solids (TDS) |
15000 – 50000 mg/l |
| SDI rating (15 min.) |
< 3 SDI |
| Turbidity |
< 1 NTU |
| Free chlorine/total chlorine |
< 0.1 mg/l |
| Total Organic Carbon (TOC) |
< 3 mg/l |
| Hydrocarbons or silicone based oils |
< 0.1 mg/l |
| Ferrous iron |
< 4 mg/l (pH <6, oxygen <0.05 mg/l) |
| Ferric iron |
< 0.05 mg/l |
| Manganese |
< 0.05 mg/l |
| Aluminium |
< 0.05 mg/l |
| Dissolved air |
< 8 mg/l, measured as O2 |
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| * For this purpose 1 mg/litre = 1 ppm.If feed water is outside of the range, additional pre treatment is required. |
| In general, the unit will be able to process water of ‘normal’ sea water quality |
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| Fresh water requirements* (for fresh water flush of the system) : |
| Free chlorine/total chlorine |
< 0.1 mg/l |
| Total dissolved solids (TDS) |
< 600 mg/l |
| *1 mg/litre = 1 ppm. |
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