Membrane Filtration (MF, UF, NF, RO)

Crossflow membrane filtration in Microfiltration, UltraFiltration, Nanofiltration, and Reverse Osmosis to improve clarification, product isolation, concentration and/or separation.

In conventional filtration the feed flow is perpendicular to the membrane surface, which causes a buildup of debris that eventually reduces fluid permeation. In crossflow filtration, flow is tangential to the membrane surface resulting in a continuous scouring action that almost eliminates formation of a membrane fouling layer from feed-stream debris and macro molecules. Driven by pressure in the filtration modules, part of the liquid passes through the membrane. This fraction is called “permeate” or “filtrate,” while the fraction that does not pass through the membrane is called the “retentate” or the “concentrate.” Benefits of crossflow membrane technology include: Selective and consistent separation, Increased product yield, Low energy consumption, Small footprint, Established technology, No additives, flocculating agents or pre-coat chemicals required, Large variations in feed quality have little influence on permeate quality, Easy retrofitting, Low maintenance, offering a full range of membrane configurations including spiral wound, tubular, and hollow fiber


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