The concentration of adsorbate in the feed gas to an on-stream bed of a cyclical swing adsorption process is monitored and the data processed to predict the time required to complete the on-stream mode of that bed and the purge flow rate and/or other regeneration mode operating condition of the concurrently...http://www.google.es/patents/US7846237?utm_source=gb-gplus-sharePatente US7846237 - Cyclical swing adsorption processes