Title: Preparation and Catalyst Properties of S2O2-8/Al–Zn–O Solid Acid Modified by Ce
Abstract: S_2O_8~(2-)/AI-Zn-Ce-O solid acid catalysts were synthesized by sol-gel.The structures and properties of the catalyst were characterized by means of infrared spectrum(IR),X-ray powder diffraction(XRD),thermogravimetric analysis-differential scanning calorimetry(TG/DSC) and scanning electron microscopy(SEM).The catalytic activities and reusabilities for the synthesis of n-butyl acetate from acetic acid and n-butanol were investigated.Compared with S_2O_8~(2-)/AI-Zn-O solid acid catalyst, S_2O_8~(2-)/AI-Zn-Ce-O solid acid catalyst exhibited better stability with above 94%esterification efficiency even after being used repeatedly for five times.
Publication Year: 2011
Publication Date: 2011-10-17
Language: en
Type: article
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