HYDRAMEM · PES ultrafiltration membranes
HM UF 80 PES
High performance ultrafiltration module.
- High strength modified PES hollow fibre membranes
- Low operating pressure and power consumption
- No air scouring required
Membrane specifications
- Model
- HM UF 80 PES
- Type
- Hollow fibre ultrafiltration
- Material
- Modified polyethersulphone
- Nominal pore size
- 20 nm (0.02 µ)
- Nominal MWCO
- 100,000 Dalton
- Fibre bore diameter (inner)
- 0.8 mm
- Housing
- UPVC
- End cap / couplings
- Nylon (30% GF)
Module data
- Membrane surface area (active)
- 80 m²
- Outer diameter, housing
- 250 mm
- Total module length
- 2066 ± 2.0 mm
- Centre distance between two ports
- 1943 ± 2.0 mm
- Housing length
- 1820 ± 2.0 mm
- Feed / permeate port
- 2 inch Victaulic end
- Backwash in / out
- 2 inch Victaulic end
- Empty weight with end caps
- 65 kg
Operational data
- Mode of operation
- In to out (dead end / cross flow)
- Operating flux range
- 14.7 to 58.8 gfd (25 to 100 lmh)
- Operating temperature
- 15 to 45 °C
- Feed pressure operating range
- 0.5 to 2.5 bar
- Burst pressure (housing)
- 6.0 bar (max)
- Transmembrane pressure
- 0.5 to 1.5 bar
- pH range, operation
- 4.0 to 10.0
- Chlorine tolerance, instantaneous
- 250 ppm (short duration)
- Chlorine tolerance, maximum
- 200,000 ppm-hours
- Maximum feed TSS
- 25 ppm or less
- Maximum feed turbidity
- 25 NTU or less
- Oil and grease
- Nil
Performance details
- Filtrate flow range
- 8.8 to 35.2 gpm (2.0 to 8.0 m³/h)
- Filtrate SDI
- 3 or less
- Filtrate turbidity
- 0.5 NTU or less
- Bacteria / virus reduction
- Log 4
Process data
- Backwash flux
- 100 to 141 gfd (170 to 240 lmh)
- Backwash pressure
- 1.5 to 2.5 bar
- Backwash frequency
- Once every 30 to 60 minutes (typical)
- Backwash duration
- 30 to 60 seconds (typical)
- Forward flush duration
- 15 to 45 seconds (typical)
- Chemical enhanced backwash
- Once in 8 / 16 / 24 hours (typical)
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