METHOD FO FRACTIONATING A HYDROCARBON STREAM AN APPARATUS THEREFOR

A hydrocarbon stream (200) is separated in a first fractionation device (205) to provide an overhead first hydrocarbon component stream (210) and a first hydrocarbon component depleted bottoms stream (300). The overhead first hydrocarbon component stream (210) is liquefied and at least part of it is...

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Bibliographische Detailangaben
Hauptverfasser:	HICKS PETER, PAULUS PETER MARIE, FRETTE THOR
Format:	Patent
Sprache:	eng
Schlagworte:	BLASTING COMBINED HEATING AND REFRIGERATION SYSTEMS HEAT PUMP SYSTEMS HEATING LIGHTING LIQUEFACTION SOLIDIFICATION OF GASES LIQUEFACTION, SOLIDIFICATION OR SEPARATION OF GASES OR GASEOUS MANUFACTURE OR STORAGE OF ICE MECHANICAL ENGINEERING MIXTURES BY PRESSURE AND COLD TREATMENT REFRIGERATION MACHINES, PLANTS OR SYSTEMS REFRIGERATION OR COOLING WEAPONS
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Beschreibung
Zusammenfassung:	A hydrocarbon stream (200) is separated in a first fractionation device (205) to provide an overhead first hydrocarbon component stream (210) and a first hydrocarbon component depleted bottoms stream (300). The overhead first hydrocarbon component stream (210) is liquefied and at least part of it is then cooled against a refrigerant stream (2160) to provide a cooled liquefied first hydrocarbon component reservoir stream (260) and a warmed refrigerant stream (2170). After reducing the pressure of the cooled liquefied first hydrocarbon component reservoir stream (260), it is stored in a liquid first hydrocarbon component reservoir (285) at a first hydrocarbon component storage pressure of at most just above atmospheric pressure, for use as a refrigerant component reservoir make-up consituent. A first hydrocarbon component supply stream (280) may drawn from the liquid first hydrocarbon component reservoir (285) and passed to at least one refrigerant circuit (1000, 2000).