CHA TYPE ZEOLITE COMPRISING PHOSPHORUS AND METHOD FOR PRODUCING THE SAME

PROBLEM TO BE SOLVED: To provide CHA type zeolite having higher heat resistance as compared with conventional CHA type zeolite.SOLUTION: CHA type zeolite comprises phosphorus and has a SiO/AlOratio of 16 or more and 50 or less. Such CHA type zeolite is obtained by, preferably, a production method ha...

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Hauptverfasser:	SADAKANE MASAHIRO, SANO YOJI, TAKAMITSU YASUYUKI, TSUNOJI SUNAO
Format:	Patent
Sprache:	eng ; jpn
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 TO BE SOLVED: To provide CHA type zeolite having higher heat resistance as compared with conventional CHA type zeolite.SOLUTION: CHA type zeolite comprises phosphorus and has a SiO/AlOratio of 16 or more and 50 or less. Such CHA type zeolite is obtained by, preferably, a production method having a crystallization step for crystallizing a composition comprising a silica source, alumina source, phosphonium cation source and ammonium cation source.SELECTED DRAWING: Figure 2 【課題】従来のＣＨＡ型ゼオライトと比較して、より耐熱性が高いＣＨＡ型ゼオライトを提供する。【解決手段】リンを含み、ＳｉＯ２／Ａｌ２Ｏ３比が１６以上５０以下であることＣＨＡ型ゼオライト。このようなＣＨＡ型ゼオライトは、シリカ源、アルミナ源、ホスホニウムカチオン源及びアンモニウムカチオン源を含む組成物を結晶化する結晶化工程、を有する製造方法により得ることが好ましい。【選択図】図２