APPARATUS OF PRODUCING METHANE AND METHOD FOR PRODUCING METHANE USING THE SAME

An apparatus of producing methane from a CO-containing gas comprises:at least two first reactors with a COstorage-reduction catalyst having a COstorage capacity and a methane generation ability disposed in parallel;at least one second reactor provided with a methanation catalyst;means for supplying...

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Bibliographische Detailangaben
Hauptverfasser:	ITOH, Yoshihiko, SAKAI, Masatoshi, IMAGAWA, Haruo, BABA, Naoki, SAYAMA, Shogo
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE ORUNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY FIRELIGHTERS FUELS FUELS NOT OTHERWISE PROVIDED FOR LIQUEFIED PETROLEUM GAS LUBRICANTS METALLURGY NATURAL GAS PEAT PERFORMING OPERATIONS PETROLEUM, GAS OR COKE INDUSTRIES PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BYSUBCLASSES C10G, C10K TECHNICAL GASES CONTAINING CARBON MONOXIDE THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	An apparatus of producing methane from a CO-containing gas comprises:at least two first reactors with a COstorage-reduction catalyst having a COstorage capacity and a methane generation ability disposed in parallel;at least one second reactor provided with a methanation catalyst;means for supplying purge gas; andmeans for supplying reducing gas, whereinthe means for supplying purge gas and for supplying reducing gas are disposed upstream of the first reactors,the second reactor is disposed downstream of the first reactors, anda gas outlet of one of the first reactors is connected to a gas inlet of at least one different one of the first reactors via a purge gas recirculation line which supplies a purge gas emitted from the gas outlet of the one first reactor into the gas inlet of the different first reactor.