CHA-type zeolite and method for producing the same

A CHA-type zeolite has a molar ratio of silica to alumina of 10.0 or more and less than 20.0 and a molar ratio of silanol groups to silicon of 0.15×10−2 or more and 0.50×10−2 or less, a molar ratio of silica to alumina of 20.0 or more and 35.0 or less and a molar ratio of silanol groups to silicon o...

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Bibliographische Detailangaben
Hauptverfasser: Maehama, Seiji, Nakamura, Satoshi, Aoyama, Hidekazu
Format: Patent
Sprache:eng
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Zusammenfassung:A CHA-type zeolite has a molar ratio of silica to alumina of 10.0 or more and less than 20.0 and a molar ratio of silanol groups to silicon of 0.15×10−2 or more and 0.50×10−2 or less, a molar ratio of silica to alumina of 20.0 or more and 35.0 or less and a molar ratio of silanol groups to silicon of 0.15×10−2 or more and 1.10×10−2 or less, a molar ratio of silica to alumina of more than 35.0 and 45.0 or less and a molar ratio of silanol groups to silicon of 0.15×10−2 or more and 1.65×10−2 or less, or a molar ratio of silica to alumina of more than 45.0 and 55.0 or less and a molar ratio of silanol groups to silicon of 0.15×10−2 or more and 1.80×10−2 or less.