Silicate-coated MFI-type zeolite, method of producing the same, and method of producing p-xylene using the same

A silicate-coated MFI-type zeolite is obtained by coating an MFI-type zeolite with a silicate, and a peak area ratio b/a of a peak b at 2θ=8.4 to 9.7° to a peak a at 2θ=7.0 to 8.4° in an X-ray diffraction spectrum is 1 or more, and a pKa value measured by a Hammett indicator is +3.3 or more.

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Bibliographische Detailangaben
Hauptverfasser:	Otaka Eri, Araki Yasuhiro
Format:	Patent
Sprache:	eng
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF INORGANIC CHEMISTRY METALLURGY NON-METALLIC ELEMENTS ORGANIC CHEMISTRY PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING
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Beschreibung
Zusammenfassung:	A silicate-coated MFI-type zeolite is obtained by coating an MFI-type zeolite with a silicate, and a peak area ratio b/a of a peak b at 2θ=8.4 to 9.7° to a peak a at 2θ=7.0 to 8.4° in an X-ray diffraction spectrum is 1 or more, and a pKa value measured by a Hammett indicator is +3.3 or more.