Abstract
Abstract A batch reactor has been devised in which adsorption phenomena important to a heterogeneous catalytic reaction can be followed simultaneously with the overall reaction process. The experimental technique is illustrated with the vapor phase dehydration of ethyl alcohol to diethyl ether as catalyzed by hydrogen ion exchange resin. Directly measured data are vapor phase composition, total adsorption, and total pressure as functions of time. Derived results are adsorbed phase composition data, fractional conversion, the thermodynamic equilibrium constant, and an independent check on internal consistency. The method inherently provides insights characteristic of dynamic experiments while retaining the simplicity of a set of first-order ordinary differential equations for any mathematical treatment desired. For this catalytic reaction the adsorption processes are shown, without recourse to theoretical analysis, to be much faster than the surface reaction.
Published Version
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