Cross-Flow Filtration
The type of cross-flow membrane filtration depends on the individual product to be treated.
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Reverse Osmosis (RO)
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Retains micro-/macromolecules, viruses, bacteria, colloids, suspended solids.
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Filtration range:
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0.0001-0.001 µm
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Pressure:
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20-80 bar
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MWCO
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< 200
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Ultrafiltration (UF)
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Retains macromolecules, viruses, bacteria, colloids, suspended solids.
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Filtration range:
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0.002-0.1 µm
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Pressure:
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1-10 bar
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MWCO
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2,000-500,000
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Nanofiltration (NF)
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Retains micro-/macromolecules, viruses, bacteria, colloids, suspended solids.
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Permeates:
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monovalent salts
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Filtration range:
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0.0005-0.01 µm
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Pressure:
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20-40 bar
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MWCO
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200-500
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Microfiltration (MF)
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Retains viruses, bacteria, colloids, suspended solids.
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Filtration range:
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0.1-10 µm
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Pressure:
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0.2-2 bar
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MWCO
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> 1,000,000
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