Abstract
Abstract Solvent recovery by pressure swing adsorption (PSA) with resin adsorbent or high silica zeolite was tested and was related to characteristic of each adsorbent, i.e., the rate of adsorption and desorption. CH 2 Cl 2 vapor was chosen as adsorbate to investigate adsorption isotherms and dynamics, characteristics of each adsorbent, shown in terms of the yield against purity of the product gas, were discussed. The high silica zeolite gave better performance than the resin adsorbent in a small-scale eexperiment, as expected from their isotherms. Computer calculations were carried out to simulate the experimental results using the Stop-Go method [1] to show the calculated results agreed well with experimental results. The method is useful to predict the performance of a solvent recovery system operated by PSA.
Published Version
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