Krauss-Maffei Crossflow Filter DCF © ANDRITZ KMPT GmbH 2010 Dynamic Membrane Filtration

Principles of Crossflow Filtration Static Filtration P1 P2 Suspension Filter cake Filter medium Filtrate P1 P2 Suspension / Retentate Filtrate / Permeate Clogging layer Filter membrane Crossflow Filtration Thickness of filter cake Filtration rate Time Time Thickness of clogging layer Permeate rate P1 P2 Suspension / Retentate Filtrate / Permeate Dynamic Crossflow Filtration Crossflow methods for separating substances with poor filtration properties are state of the art. In applications with solvents, abrasive materials etc. the use of ceramic filter membranes is gaining popularity. With the classic...

Reverse - osmosis Nano -filtration Ultra -filtration Particle filtration Micro -filtration Separating method Product examples 0,1 nm 1 nm 10 nm 100 nm 1 ìm 10 ìm 100 ìm Dynamic Filtration with ceramic membranes Oil emulsion Colloids Pigments Viruses Bacteria Proteins Antibiotics Ions Indigo blue E-coli Yeast cells Gelatine Synthetic colorants Salts anorg., aqueous Sugar Pyrogenes Crossflow Bio masses Operating Range Applications Concentration of material Bio pharma - Cell harvesting - Proteins - Enzymes Food & beverage - Biomass - Juices - Aromatics Chemical industry - Hydroxides, Colloids -...

Membrane Feed Permeate Retentate Permeate 0 20 40 60 80 100 120 140 160 180 200 220 240 260 0 50 100 150 200 250 300 350 Retentate concentration (mg/ml) Flux (l/h/m²) Traditional Crossflow Dynamic Crossflow All technical data are appropriate and subject to change without notice. Technical Data (per module): Filter Area [m²] 0,03 – 16,4 Viscosity [mPas] up to 700 Pore Size [Membrane] 7 nm – 2 ìm ANDRITZ KMPT GmbH 85256 Vierkirchen Phone +49(0)8139802990 [email protected] www.kmpt.com Operation Processing of slurries up to Viscosities of 700 mPas 80% reduction in energy consumption compared to traditional...