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Pilot Study on La modified SO_4~(2-)/ZrO_2-Fe_3O_4 Solid Superacid Catalyst

LI Feng-xuan

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Abstract

A new type of solid superacid catalyst SO_4~(2-)/ZrO~(2-)Fe_3O_4 modified by lanthanum was prepared. The catalytic performance was evaluated by the esterification of acetic acid and n-butanol and the influences of preparation parameters on its catalytic properties were studied. These catalysts were characterized by XRD and TDA. The optimum preparation conditions for the catalyst were:impregnated with 5% La(NO_3)_3 solution, dried at 100, calcinated at 600 for 3h.The yield of butyl acetate was about 88%.

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What this paper is about

A new type of solid superacid catalyst SO_4~(2-)/ZrO~(2-)Fe_3O_4 modified by lanthanum was prepared. The catalytic performance was evaluated by the esterification of acetic acid and n-butanol and the influences of preparation parameters on its catalytic properties were studied. These catalysts were characterized by XRD and TDA. The optimum preparation conditions for the catalyst were:impregnated with 5% La(NO_3)_3 solution, dried at 100, calcinated at 600 for 3h.The yield of butyl acetate was about 88%.

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Available abstract

A new type of solid superacid catalyst SO_4~(2-)/ZrO~(2-)Fe_3O_4 modified by lanthanum was prepared. The catalytic performance was evaluated by the esterification of acetic acid and n-butanol and the influences of preparation parameters on its catalytic properties were studied. These catalysts were characterized by XRD and TDA. The optimum preparation conditions for the catalyst were:impregnated with 5% La(NO_3)_3 solution, dried at 100, calcinated at 600 for 3h.The yield of butyl acetate was about 88%.

Key concepts: Superacid, Catalysis, Yield (engineering), Acetic acid, Lanthanum, Nuclear chemistry, Materials science, Solid acid

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