Description
FilmTec™ Nanofiltration 4″ Elements
FilmTec™ Nanofiltration 4″ Elements allow selective separation of organics and salts for medium-sized industrial and municipal water treatment plants that produce less than approximately 10 gpm (2300 L/h) of permeate.
FilmTec™ NF270-4040 Elements are ideal for removing a high percentage of TOC and THM precursors with medium to high salt passage and medium hardness passage in commercial systems. The NF270 nanofiltration membrane is an ideal choice for surface water and ground water where good organic removal is desired with partial softening. FilmTec NF270-4040 elements are tape-wrapped.
Uses
- Production of municipal drinking water
Advantages
- Good organic (NOM) removal
- Partial softening preserves water character
- High flux results in high yields
Specifications
Specifications
| Manufacturer |
Filmtec |
| Series |
<4" Nanofiltration |
| Model Number |
NF270-4040 |
| Part Number |
149987 |
| Description |
Typical properties for nf270-4040
Active Area ft² (m²): 82 (7.6)
Applied Pressure psi (bar): 70 (4.8)
Permeate Flow Rate gpd (m³/d): 2,500 (9.5)
Stabilized Salt Rejection: >97.0%
Dimensions in (mm)
A 40.0 (1,016)
B 3.9 (99)
C 0.75 (19)
D 1.05 (27)
Suggested Operating Conditions Old
Membrane Type: Polyamide Thin-Film Composite
Maximum Operating Temperature: 113°F (45°C)
Maximum Operating Pressure: 600 psig (41 bar)
Maximum Feed Flow Rate: 4040 elements 16 gpm / 2540 elements 6 gpm
Maximum Pressure Drop: Tape wrapped: 13 psig (0.9 bar) / Fiberglassed: 15 psig (1.0 bar)
pH Range, Continuous Operation: 2 - 11, Short-Term Cleaning (30 min) 1 - 12
Maximum Feed Silt Density Index: SDI 5
Free Chlorine Tolerance: < 0.1 ppm
Suggested Operating Conditions New
Membrane Type: Polypiperazine Thin-Film Composite
Maximum Operating Temperature: 113°F (45°C)
Maximum Operating Pressure: 600 psi (41 bar)
Maximum Pressure Drop: 15 psi (1.0 bar)
pH Range
Continuous Operation:1 3 - 10
Short-Term Cleaning: (30 min.)2 1 - 12
Maximum Feed Flow: 16 gpm (3.6 m3/h)
Maximum Feed Silt Density Index (SDI): SDI 5
Free Chlorine Tolerance: < 0.1 ppm
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