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Abstract:
The synthesis of ethylene oxide by direct oxidation with air or oxygen over a supported silver catalyst is a well established process for more than sixty years. Therefore the reaction can be used to investigate the potential of a microstructured reactor in comparison to an industrial process. In this work we used a microreactor, which was designed and constructed by IMM. Silver foils (126 channels: length 9 mm, height 50 μm, width 500 μm) served as the catalytically active component. In this paper we demonstrated the possibility to run the microreactor within the explosion limits and were able to reach space-time-yields above the value which is usually observed for industrial reactors. Selectivities were low, but one has to take into account that unpromoted silver was used in our study.
