Basic design of distillation columns filled with metallic structured packings (original) (raw)
1993, Gas Separation & Purification
This paper reports a comparison of several available correlations to calculate flooding velocity and mass transfer efficiency by using the concept of height equivalent to a theoretical plate (HETP) for distillation columns filled with metallic structured packings. It is found that there are more correlations for pressure drop or gas velocity at flooding than correlations to predict HETP values, and that most of the correlations need empirical constants or exponents for their calculation. Nevertheless, these values are not reported for all the packings and all the sizes available. A case study is made for application of the proposed methods, and the results are presented and compared. A brief comment is made on each method and its ease of application.
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