Methanation process

Methane is prepared by contacting carbon monoxide and hydrogen in the presence of a supported rhodium-containing catalyst promoted with uranium. In another embodiment, the methanation activity of supported rhodium-containing catalysts lost due to sulfur poisoning is restored by contacting the cataly...

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Bibliographische Detailangaben
Hauptverfasser:	FINCH, JACK N
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY METALLURGY ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	Methane is prepared by contacting carbon monoxide and hydrogen in the presence of a supported rhodium-containing catalyst promoted with uranium. In another embodiment, the methanation activity of supported rhodium-containing catalysts lost due to sulfur poisoning is restored by contacting the catalysts with a sulfur-free feed of carbon monoxide and hydrogen at a temperature of about 550 DEG C for a period of time sufficient to substantially restore methanation catalyst activity.