Abstract
One billion pounds per year of methyl t-butyl ether (MTBE) are currently produced from acid-catalyzed, liquid phase reaction of methanol with isobutene (IB). We report results for Amberlyst 15 which is currently used as a catalyst for MTBE production. The evaluation of this strong-acid macroreticular resin was carried out in a bench-scale, plug flow reactor system which was specially developed in our laboratory to evaluate MTBE catalysts under conditions believed to be compatible with those in industry. Factors considered include temperature, flow rate and feed composition. An integrated rate expression is used to estimate kinetic constants at 26, 51, and 67°C, using data obtained from the plug flow reactor. Conditions which maximize selectivity and productivity, together with other catalyst characteristics, are briefly discussed.
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