CHABAZITE ZEOLITE WITH HIGH HYDROTHERMAL RESISTANCE AND METHOD FOR PRODUCING SAME

[Problem] Chabazite zeolites have a problem of low hydrothermal resistance. [Solution] By steam treating a chabazite zeolite having a silica-alumina ratio and a crystallinity that are within certain ranges, a chabazite zeolite having a high crystallinity and a high hydrothermal resistance can be obt...

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Hauptverfasser:	NAKASHIMA, Akira, YAMAGUCHI, Yoko, TSURUTA, Shunji
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Zusammenfassung:	[Problem] Chabazite zeolites have a problem of low hydrothermal resistance. [Solution] By steam treating a chabazite zeolite having a silica-alumina ratio and a crystallinity that are within certain ranges, a chabazite zeolite having a high crystallinity and a high hydrothermal resistance can be obtained.