Catalytic properties of systems based on zeolite NaY with applied metal compounds in the transformation of 2-butanol
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The catalytic properties of the M/zeolite NaY system (SiO2/Al2O3=4.4), where M=Cu, Ag, Sn, Pb, V, Sb, Bi, Cr, Mo, W, Mn, Re, Fe, Co, Ni, and Cu + Ni, Cu + Cr, and Cu + Mo, prepared by impregnation of the zeolite with solutions of the metal compounds or wet mixing, were characterized in the transformation of 2-butanol.
The direction of the transformation of 2-butanol (dehydration or dehydrogenation) is determined by both the nature of the metal compound added to the zeolite and by the conditions of conducting the reaction and the preliminary treatments of the catalyst. Zeolites containing Cu, Ni, Co, Cu + Ni, and Cu + Cr are active in the dehydrogenation of 2-butanol into methyl ethyl ketone after reduction; Ag/NaY catalyzes oxidative dehydrogenation of the alcohol. Addition of V, Cr, Mo, W, or Re to NaY increases its dehydrating activity.
KeywordsAlcohol Methyl Ethyl Zeolite Ketone
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