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

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

A multistage membrane system (10, 20, 40, 50, 60, 70) 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 (14) comprises a polymeric membrane and a second membrane unit (20) comprises a...

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Bibliographische Detailangaben
Hauptverfasser: LIU, Chunqing, DONG, Xueliang, DAVIS, Mark M, GREER, David W, ALBO, Simon E
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 (10, 20, 40, 50, 60, 70) 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 (14) comprises a polymeric membrane and a second membrane unit (20) comprises a micoporous zeolitic inorganic membrane or a combination of a micoporous zeolitic inorganic membrane and a polymeric membrane.