METHOD OF PREPARING ZEOLITE CATALYSTS, METHOD OF PREPARING ZEOLITES, AND ZEOLITE CATALYSTS

FIELD: catalyst production. ^ SUBSTANCE: zeolite catalysts in the form of micropheres including zeolite and oligomeric silica characterized by high mechanical strength are prepared by (i) rapid drying of suspension, supplemented by tetraalkyl ortho-silicate if needed, obtained from zeolite synthesis...

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Hauptverfasser:	BELLUZZI DZHUZEPPE, MANTEGATSTSA MARIANDZHELA, KARATI ANDZHELA, PETRINI GVIDO
Format:	Patent
Sprache:	eng ; rus
Schlagworte:	BLASTING CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY CHEMISTRY COMPOUNDS THEREOF DRYING DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM HEATING INORGANIC CHEMISTRY LIGHTING MECHANICAL ENGINEERING METALLURGY NON-METALLIC ELEMENTS PERFORMING OPERATIONS PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL THEIR RELEVANT APPARATUS TRANSPORTING WEAPONS
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Beschreibung
Zusammenfassung:	FIELD: catalyst production. ^ SUBSTANCE: zeolite catalysts in the form of micropheres including zeolite and oligomeric silica characterized by high mechanical strength are prepared by (i) rapid drying of suspension, supplemented by tetraalkyl ortho-silicate if needed, obtained from zeolite synthesis by hydrothermal treatment, at antogenous pressure, of reaction mixture containing tetraalkylammonium hydroxide as template agent, and (ii) firing the dried product. ^ EFFECT: increased mechanical strength of catalyst. ^ 28 cl, 4 dwg, 4 ex