Abstract

Basic properties of MgO doped with NaOH, KOH, and Li2CO3 which was calcined at 550, 700, and 900 °C in air were examined. The basicity of the catalysts was determined from the irreversible amount of adsorption of phenol and BF3, followed by evacuation at room temperature (for both adsorbates), 100, 200, and 300 °C (for phenol) after adsorption at room temperature. A good correlation was observed between the amount of phenol remained after evacuation at higher temperature than 200 °C and that of BF3. By doping of 1 wt% of alkali metal compounds in MgO the isomerization activity of 1-butene was enhanced, but by 10 wt% the activity remarkably decreased.

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