MULTI-STAGE MEMBRANE SYSTEMS WITH POLYMERIC AND MICROPOROUS ZEOLITIC INORGANIC MEMBRANES FOR GAS SEPARATIONS

A multistage membrane system and a process for treating a gas stream is provided in which the multistage membrane system comprises at least two membrane units wherein a first stage membrane unit comprises a polymeric membrane and a second membrane unit comprises a microporous zeolitic inorganic memb...

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Bibliographische Detailangaben
Hauptverfasser:	Albo, Simon E, Greer, David W, Davis, Mark M, Liu, Chunqing, Dong, Xueliang
Format:	Patent
Sprache:	eng
Schlagworte:	PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SEPARATION TRANSPORTING
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Beschreibung
Zusammenfassung:	A multistage membrane system and a process for treating a gas stream is provided in which the multistage membrane system comprises at least two membrane units wherein a first stage membrane unit comprises a polymeric membrane and a second membrane unit comprises a microporous zeolitic inorganic membrane or a combination of a microporous zeolitic inorganic membrane and a polymeric membrane.