PREPARATION OF FORMED ZEOLITE

PURPOSE:To prepare a high-density formed zeolite having excellent mechanical strength and abrasion resistance, without lowering the adsorption property, by mixing powdery or granular zeolite with a crystalline cellulose compound and water, and forming, drying and calcining the mixture. CONSTITUTION:...

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Bibliographische Detailangaben
Hauptverfasser:	ISHINO HIROO, HAGIWARA ZENJI, UCHIDA SHINJI, KATOU MASARU
Format:	Patent
Sprache:	eng
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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Beschreibung
Zusammenfassung:	PURPOSE:To prepare a high-density formed zeolite having excellent mechanical strength and abrasion resistance, without lowering the adsorption property, by mixing powdery or granular zeolite with a crystalline cellulose compound and water, and forming, drying and calcining the mixture. CONSTITUTION:Powdery or granular zeolite is mixed with a crystalline cellulose compound such as methyl cellulose, carboxymethylcellulose Na salt, etc., and if necessary, a clay binder such as bentonite powder. The mixture is kneaded in the presence of water, and the kneaded product is formed, dried, and calcined at 400-750 deg.C to obtain the objective formed zeolite.