Preparation process of catalysts and catalysts additives and a catalyst or catalyst additive and the use thereof

Production of catalysts or catalyst additives comprises kneading and/or grinding, spray drying and heat treating a catalytically active component, preferably H-ZSM-5 zeolite, and aluminium hydroxide and/or aluminium hydroxy compound(s) and/or other binders and optionally kaolin(ite)- and even slurry...

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Hauptverfasser: FORSTNER, JANOS, TATRAI, ESZTER, BALAI, MARIA, KANTOR, LASZLO, TOLVAJ, GABOR, PAL NEE BORBELY, GABRIELLA, SZIRMAI, LASZLO, CZAGLER, ISTVAN, GALAMBOS, LASZLO, CSOKA, ARPAD, SULYOK, TAMAS, KATONA, ANTAL, FEHER, PAL, BEYER, HERMANN, TERENYI NEE GAVRIKOVA, OLGA, LENKEI, MARIA
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:Production of catalysts or catalyst additives comprises kneading and/or grinding, spray drying and heat treating a catalytically active component, preferably H-ZSM-5 zeolite, and aluminium hydroxide and/or aluminium hydroxy compound(s) and/or other binders and optionally kaolin(ite)- and even slurry containing liquefiers. The novelty is that instead of using kaolin(ite) as filler, silicic acid modifications of formula H4+y-zÄ(SiO4/2)x-y(AlO4/2)y(SiO3/2O)4-z (AlO3/2)zÜ (I) (where y