Continuous separation and purification of materials

Séparation et purification continues de matières

Kontinuierliche Stofftrennung und Reinigung

Abstract

A non-particulate carrier is provided which is adapted to reversibly bind a desired material, which may either be the desired end product material, or a contaminant which is removed from the desired end product material. The carrier is arranged to pass sequentially through a feedstock liquid containing the material to be purified where the desired material is adsorbed to the carrier, a wash liquid, a desorption liquid into which the material is desorbed by the carrier and a further wash liquid. The carrier is preferably a non-absorbent natural or synthetic polymer and is conveniently in the form of an endless belt. An agent which will reversibly bind the desired material may be chemically attached to the carrier, and binding of the material to the carrier or binding agent be by biospecific affinity, hydrophobic or ionic interactions.

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Patent Citations (3)

    Publication numberPublication dateAssigneeTitle
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    WO-9103297-A1March 21, 1991Sartorius AgProcess and device for adsorptive separation of materials
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Cited By (4)

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    FR-2813208-A1March 01, 2002Commissariat Energie AtomiqueStructure complexante, dispositif et procede de traitement d'effluents liquides
    FR-2831837-A1May 09, 2003CallistoProcede et dispositif de traitement de fluides contenant des ions indesirables
    WO-0137959-A1May 31, 2001Scinu Tec GmbhVerfahren zur separation von zellen und biomolekülen mittels gegenstromchromatographie
    WO-0218050-A1March 07, 2002Commissariat A L'energie AtomiqueStructure complexante, dispositif et procede de traitement d'effluents liquides