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correlated using the model. Regression of the data was used to determine an empirical parameter that permitted the model to be used to predict process performance. It was finally proposed that macropore diffusional resistance was primarily responsible for the existence of a minimum BSF in this dissertation as it was the only mass/heat transfer limitation spreading the MTZ as a function of velocity in the range of our experiments. While heat and axial dispersion effects are important, its contribution to MTZ spreading is not a function of gas velocity in the experimental range of this work; hence they cannot cause a minimum BSF to occur. These conclusions are likely to apply to other small scale processes with a similar column length. 7.4. Summary of Intellectual Contributions This dissertation experimentally demonstrates for the first time the significance of axial dispersion effects for small LiLSX particles, especially for breakthrough experiments. This is important because these particles are popular for POCs. The current consensus in literature is that macropore resistance dominates the mass transfer rate, however, this study clearly demonstrates this is no longer a sufficient assumption for small particle breakthrough experiments where kinetic effects are evaluated. Limitations of small scale PSA processes was the other focus of this dissertation. While small scale PSA processes have much in common with larger PSA processes, several key distinctions (e.g. rapid cycling and much smaller particles) make understanding process limitations difficult. One potential limitation, pressure drop, was explored further because its effects on overall process performance for small scale systems has never been experimentally demonstrated. It was found not to have a significant effect on process performance, which provides a wider design range for the 139PDF Image | LIMITS OF SMALL SCALE PRESSURE SWING ADSORPTION
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