Page 45 - Academic Press Encyclopedia of Physical Science and Technology 3rd Chemical Engineering
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              Adsorption (Chemical Engineering)                                                           267











































                     FIGURE 11 Sequence of steps in a two-bed pressure swing adsorption system. (a) Skarstrom cycle, (b) modified
                     cycle for production of nitrogen using a carbon molecular sieve adsorbent.





























                     FIGURE 12 Schematic diagram of the Exxon Ensorb process. (Courtesy of Aromatics Technology Division of Exxon
                     Chemical Company.)
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