METHOD AND APPARATUS FOR REVERSE OSMOSIS WATER PURIFICATION

The invention relates to a method and an apparatus for reverse osmosis water purification. The method comprises: receiving untreated or treated water at a first pressure, producing permeate water by means of a reverse osmosis water purification unit (RO-unit, 10) at a second, lower pressure, conduct...

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Bibliographische Detailangaben
Hauptverfasser:	KÖHLER, André, WEIDNER, Peter, SCHMEINCK, Nils
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMISTRY METALLURGY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Beschreibung
Zusammenfassung:	The invention relates to a method and an apparatus for reverse osmosis water purification. The method comprises: receiving untreated or treated water at a first pressure, producing permeate water by means of a reverse osmosis water purification unit (RO-unit, 10) at a second, lower pressure, conducting the permeate water containing CO2dissolved therein from the RO-unit to a buffer storage unit (30) having a permeate reservoir (31), thereby filling the permeate reservoir (31), and conducting the permeate water from the permeate reservoir (31) to a pump chamber (44) of a permeate pump (40). It is characterized in that the permeate reservoir (31) of said buffer storage unit (30) contains a porous filling material (34) providing a surface, whereby, when the permeate water encounters the surface of the filling material, gaseous CO2is accumulated at the surface of the filling material thereby providing a compressible buffer volume.