NDLI: Esterification of Acetic Acid with n-Butanol Using Molybdenum Oxides Supported on γ-Alumina

Content Provider	Springer Nature Link
Author	Mitran, Gheorghita Makó, Éva Rédey, Ákos Marcu, Ioan Cezar
Copyright Year	2010
Abstract	Two γ-alumina-supported molybdenum oxide catalysts with different Mo loadings were prepared by the impregnation of a precipitated alumina. The alumina support and the supported catalysts were characterized using X-ray diffraction, N2 adsorption and NH3-TPD techniques and tested in the liquid-phase esterification of acetic acid with n-butanol. The effects of the reaction time, of the molar ratio of the reactants, of the speed of agitation and of the mass fraction of the catalyst on the catalytic properties were studied. After only 120 min of reaction at 100 °C with an n-butanol to acetic acid mole ratio equal to 3 the conversion reached 81% in the presence of the supported catalyst containing 10 wt% MoO3 (10Mo–Al2O3 sample). The conversion as well as the total NH3-TPD acidity increased in the following order: Al2O3 < 5Mo−Al2O3 (5 wt% MoO3/Al2O3) < 10Mo–Al2O3. The selectivity of n-butyl acetate was, in all cases, 100%. No loss in catalytic activity and product selectivity after three cycles with 10Mo–Al2O3 catalyst was observed.
Starting Page	32
Ending Page	37
Page Count	6
File Format	PDF
ISSN	1011372X
Journal	Catalysis Letters
Volume Number	140
Issue Number	1-2
e-ISSN	1572879X
Language	English
Publisher	Springer US
Publisher Date	2010-08-26
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Esterification Acetic acid n-Butanol Butyl acetate γ-Alumina-supported molybdenum oxide Physical Chemistry Organometallic Chemistry Industrial Chemistry/Chemical Engineering Catalysis
Content Type	Text
Resource Type	Article
Subject	Chemistry Catalysis

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