Computational Study on Optimization of a Single Fixed-Bed Adsorber for Separation of a Multi-Component Mixture

概要

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In general, adsorptive separation includes an adsorption and a desorption process in which the separation is affected by the operating conditions of each stage. In this study, the optimum operational conditions for the recovery using a fixed-bed adsorber were investigated numerically. Adsorption/desorption curves for a ternary component mixture were simulated under various operation conditions. The amount and percentage of each component recovered from the mixture were evaluated from the curves. These values were then used in the theoretical determination of the optimal operating conditions. The elution behavior of each component was controlled by adjusting the desorption starting time, and hence efficient recovery of a target component could be achieved by controlling the elution behavior using this technique. The results suggest that sufficient recovery of each component can be performed by use of a single fixed-bed adsorber. The recovery of each component would be clearly related to the formation of adsorption zones, and the minimum bed length required for the establishment of constant pattern adsorption zones would be adequate bed length for efficient recovery.
社団法人化学工学会の論文
2011-03-01