Tube dimensions: Outside diameter Inside diameter Maximum length
13,8 +/- 0,2 mm 7,9 +/- 0,3 mm 850 +/- 0,2 mm
Geometry
Single hole
Membrane location
Inside tube
Surface per tube
± 0,02 m2
Number of tubes per m2
48 tubes
Available pore sizes with corresponding typical clean water fluxes
Pore size Demi water (D90) fluxes (l/h m2 bar)
Uncoated tubes (a-alumina)
9,0 µm 22.000 2,5 µm 3.500
Coated tubes microfiltration (a-alumina)
0,5 µm 5.500 0,2 µm 2.000 0,1 µm 1.100
Typical applications
Recycling of contaminated organic solvents Cleaning of radioactive waste water Cleaning of Gas Condensate Removal of water from PVC emulsions Removal of water from oil Removal of brines Recycling of contaminated glycol
Chemical resistance
Organic solvents pH-values: Microfiltration between 0-12 Ultrafiltration between 3-9 radioactive liquids
Automatic cleaning
Pressure back-pulse
Maximum operating temperature
250oC
Maximum feed pressure
10 Bar
Brand names
Velterop® tubes Sephi-Matic® Modules
All data at normal operating conditions, based on laboratory research by the Netherlands Energy Research Foundation (ECN) Above information is for reference purposes only
