MEMBRANE PERMEATION TREATMENT WITH ADJUSTMENT OF THE NUMBER OF MEMBRANES USED AS A FUNCTION OF THE PRESSURE OF THE FEED GAS FLOW

MEMBRANE PERMEATION TREATMENT WITH ADJUSTMENT OF THE NUMBER OF MEMBRANES USED AS A FUNCTION OF THE PRESSURE OF THE FEED GAS FLOW

A facility and method for membrane permeation treatment of a feed gas flow containing at least methane and carbon dioxide that includes a compressor, a pressure measurement device, at least one valve, and first, second, third, and fourth membrane separation units for separation of CO2 from CH4 to pe...

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Bibliographische Detailangaben
Hauptverfasser: ZICK, Golo, CHAREYRE, Jean-Marc, GRABIE, Veronique
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:A facility and method for membrane permeation treatment of a feed gas flow containing at least methane and carbon dioxide that includes a compressor, a pressure measurement device, at least one valve, and first, second, third, and fourth membrane separation units for separation of CO2 from CH4 to permeates enriched in CO2 and retentates enriched in CH4, respectively. The at least one valve adjusts the number of membranes combined and connected to the flow of gas entering into at least one of the membrane separation units as a function of the pressure recorded by the pressure measurement device.