The performance for gas separation by pressure swing adsorption is determined by four dimensionless parameters, pore diffusion (Detc/a2 ); bed utilization (uctc/L); purge-to-feed ratio (γ): and feed composition (yA0 ). The unique dependence of the product purities on these parameters are shown for binary-mixture separation on activated carbon. The importance of pore diffusion in PSA separation for binary mixtures may be assessed by the threshold value of Detc/a2 = 43, above which pore diffusion is not important.
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DOONG et al. (1986) studied this question.
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