Supported rhodium-spinel catalysts and process for producing synthesis gas

Rhodium-spinel catalysts with activity for efficiently catalyzing the net partial oxidation of methane at high selectivities for CO and H2 products are disclosed, along with their method of making. A syngas production process employing such catalysts for the net catalytic partial oxidation of a C1-C...

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Hauptverfasser:	HERRON NORMAN, NIU TIANYAN, MANOGUE WILLIAM, DINDI HASAN
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY 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 ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Rhodium-spinel catalysts with activity for efficiently catalyzing the net partial oxidation of methane at high selectivities for CO and H2 products are disclosed, along with their method of making. A syngas production process employing such catalysts for the net catalytic partial oxidation of a C1-C5 hydrocarbon (e.g., natural gas or methane) to a product gas mixture comprising CO and H2 is also disclosed. Preferred reaction conditions include maintaining the catalyst at a temperature of about 400-1,200° C., superatmospheric pressure, and flow rate sufficient to pass the reactant gas mixture over the catalyst at space velocities of at least about 100,000-25,000,000 hr-1.