LEV TYPE ZEOLITE HAVING CORE-SHELL STRUCTURE AND SYNTHESIS METHOD THEREOF

LEV TYPE ZEOLITE HAVING CORE-SHELL STRUCTURE AND SYNTHESIS METHOD THEREOF

PROBLEM TO BE SOLVED: To provide an LEV type zeolite having a core-shell structure, and a synthesis method thereof.SOLUTION: The LEV type zeolite having a core-shell structure includes a core and a shell, which are different in an Si/Almolar ratio. The zeolite can be synthesized by a method performi...

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Bibliographische Detailangaben
Hauptverfasser: SADAKANE MASAHIRO, SANO YOJI, IDE YUSUKE, TAKAMITSU YASUYUKI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Zusammenfassung:PROBLEM TO BE SOLVED: To provide an LEV type zeolite having a core-shell structure, and a synthesis method thereof.SOLUTION: The LEV type zeolite having a core-shell structure includes a core and a shell, which are different in an Si/Almolar ratio. The zeolite can be synthesized by a method performing hydrothermal synthesis of a mixture including FAU type zeolite, sodium ions, hydroxide ions, LEV type zeolite seed crystal, and water.