Membrane service life
depending on the application (> 3 to 10 years)
Membrane warranties
Mechanical properties: 1 year full warranty / 2 years pro rata
Fouling tolerance
no problem, as it can be chemically regenerated
Salt tolerance
no problem
Tolerance of high viscosity
wide selection of geometries for viscosities up to 10,000 cps
Chemical cleaning (standard)
- alkaline: NaOH 2–3 % – 85°C (+NaOCl)
- acidic: HNO3 1–1.5% – 50°C
Flow velocity (optimum)
4–5 m/s (3–4.5 m³/h per membrane)
Water values (DE 1 25)
- MF 700–1800 l/hm²
- UF 100–600 l/hm²
- FUF 10–80 l/hm²
Retention (AFNOR X 103)
- UF – 90% dextran
- FUF – 90% PEG
Price (ceramic only, without housing)
from €400.00/m² (depending on geometry/separation limit)
Mechanical resistance
Burst pressure > 90 bar
Thermal resistance
up to 1000°C