Abstract

A two‐stage process for the oxidation of xylenes to tolualdehydes is described which consists of the oxidation of manganous sulfate to manganic sulfate in the cell and reacting the manganic sulfate obtained with xylene outside the cell. The reason for low current efficiency for the in‐cell oxidation is explained on the basis of anode potential measurement. Measurement of the oxidation potential of manganic sulfate in presence of xylene indicates that the steady potential attainable during the reaction makes it possible to control the oxidation of xylene to tolualdehyde. A large laboratory cell is described.

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