PROCESS FOR SEPARATION OF PROPYLENE FROM A LIQUEFIED PETROLEUM GAS STREAM

The present invention relates to a combined C3/C4 splitter with a membrane system. More specifically, the present invention relates to a combined C3/C4 splitter column (15) to separate highly pure propylene product from a liquefied petroleum gas stream, which eliminates a C3 splitter having over 120...

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Bibliographische Detailangaben
Hauptverfasser:	LIU, Chunqing, PHAM, Trung, FREY, Stanley J
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	The present invention relates to a combined C3/C4 splitter with a membrane system. More specifically, the present invention relates to a combined C3/C4 splitter column (15) to separate highly pure propylene product from a liquefied petroleum gas stream, which eliminates a C3 splitter having over 120 trays and the additional equipment that a C3 splitter requires. (Fig. 1)