Permeate channel alterations for counter current filtration for use in cross-flow filtration modules useful in osmotic systems

The present invention relates to modification to permeate channels and permeate materials in a cross-flow filtration system to improve performance in counter current filtration having both retentate channels and permeate channels wherein a solution is pumped through one of the channels and drawn thr...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Vander Hoff, Mark, Benson, Todd, Pugh, Marc
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:The present invention relates to modification to permeate channels and permeate materials in a cross-flow filtration system to improve performance in counter current filtration having both retentate channels and permeate channels wherein a solution is pumped through one of the channels and drawn through a membrane to one of the other channels to assist in positive pressure driven filtration by using the osmotic pressure, concentration, or preferential solubility difference between the retentate and permeate flow streams thereby increasing or altering the flux through the membrane separating the flow streams.