Pressure swing adsorption process and system with product storage tank(s)

摘要

Gas mixtures comprising at least one more strongly adsorbable component and at least one less strongly adsorbable component are separated by a pressure swing adsorption process in which product gas enriched in one of the components is stored in one or more tanks (Figure 1, 31; Figure 6, 31 & 32). A portion of the stored gas is recycled to the adsorber (21) for purge, rinse, and/or repressurization and a portion provides product (35) during at least depressurization and repressurization. <IMAGE>