Residence time distribution enhancement in reactors using oscillatory flow

In this paper the published and ongoing research concerning oscillatory flow in baffled tubes is reviewed. A number of key features are identified. Using this technology it is possible to achieve a near plug flow behaviour and a long residence time with a relatively short tubular reactor. Oscillatory flow in baffled tubes has been shown to enhance process engineering properties such as mixing, heat transfer and gas-liquid mass transfer. The technology is well suited to multi-phase system. Furthermore, it is possible to control the performance of the device independently from the throughput using the amplitude and frequency of oscillation. A number of potential applications are identified for evaluation.