PROCESS TO PREPARE A MIXTURE OF HYDROGEN AND CARBON MONOXIDE

The invention provides a process to prepare a mixture of hydrogen and carbon monoxide from a methane comprising gas. The following steps are performed: (a) partial oxidation of the methane comprising gas with an oxygen containing gas at a pressure of above 5 MPa thereby obtaining a raw syngas compri...

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Bibliographische Detailangaben
1. Verfasser:	FERNIE MARTIN JOHN
Format:	Patent
Sprache:	eng
Schlagworte:	CHEMISTRY CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION ORPROCESSING OF GOODS COMPOUNDS THEREOF GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE
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Beschreibung
Zusammenfassung:	The invention provides a process to prepare a mixture of hydrogen and carbon monoxide from a methane comprising gas. The following steps are performed: (a) partial oxidation of the methane comprising gas with an oxygen containing gas at a pressure of above 5 MPa thereby obtaining a raw syngas comprising carbon monoxide and hydrogen having a temperature of above 1100° C., (b) expanding the raw syngas in a high temperature/high pressure turbo-expander thereby recovering power and obtaining an expanded syngas having a pressure below 4 MPa and a temperature below 1050° C., and (c) further cooling the expanded syngas to obtain the mixture of hydrogen and carbon monoxide having a temperature of between 100 and 500° C.