Hydrogen purification apparatus

It was difficult to acquire a good CO cleanup efficiency in a hydrogen refining apparatus, for instance, when the start-up and stop operations are frequently repeated. A hydrogen refining apparatus, including a shifter 3 having a shifting catalyst body 3a containing noble metals and metal oxides, an...

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Bibliographische Detailangaben
1. Verfasser:	UKAI KUNIHIRO,FUJIWARA SEIJI,TAGUCHI KIYOSHI,TOMIZAWA TAKESHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF ELECTRICITY INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	It was difficult to acquire a good CO cleanup efficiency in a hydrogen refining apparatus, for instance, when the start-up and stop operations are frequently repeated. A hydrogen refining apparatus, including a shifter 3 having a shifting catalyst body 3a containing noble metals and metal oxides, and a reforming section 1 for supplying hydrogen gas containing carbon monoxide to the shifter 3, (1) the temperature of an upstream side of the shifting catalyst body 3a relative to the hydrogen gas flow being substantially between 300 DEG C and 500 DEG C and (2) the temperature of a downstream side of the shifting catalyst body 3a relative to the hydrogen gas flow being substantially at 300 DEG C or less.