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The optimal control of a periodic adsorber: Part I. Experiment
Author(s) -
Kowler Daniel E.,
Kadlec Robert H.
Publication year - 1972
Publication title -
aiche journal
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.958
H-Index - 167
eISSN - 1547-5905
pISSN - 0001-1541
DOI - 10.1002/aic.690180618
Subject(s) - methane , control theory (sociology) , flow (mathematics) , volumetric flow rate , mechanics , chemistry , nitrogen , adsorption , mathematics , materials science , analytical chemistry (journal) , thermodynamics , chromatography , physics , control (management) , computer science , organic chemistry , artificial intelligence
Cyclic pressure variations in a fixed bed adsorber can cause significant separation of gaseous mixtures. Feed pressure changes are the driving force in this parametric pumping process. The optimal feed sequence is maximum (maximum flow in) pressure, zero flow (variable pressure), maximum flow out (minimum pressure). For the nitrogen‐methane feed gas at 168 k N/m 2 and a 1.22 m bed of adsorbent, the optimal cycle time is 3 seconds, and feed is sustained 50% of the time. The zero flow mode is unnecessary if product purity is the sole objective.