B - Operations – Transporting – 01 – D
Patent
B - Operations, Transporting
01
D
183/25
B01D 53/04 (2006.01)
Patent
CA 1143301
PRESSURE SWIEG ADSORPTION PROCESS AND SYSTEM FOR GAS SEPARATION ABSTRACT OF THE DISCLOSURE A pressure swing absorption process and system including at least two adsorption beds and a segregated storage adsorp- tion bed which is isolated from direct communication with the feed gas stream. During the process the pressures in the adsorption beds are equalized from the feed ends thereof at the end of adsorption in one of the beds and after pressuriza- tion of the other bed. The segregated storage adsorption bed is pressure equalized with a depressurizing adsorption bed and then after purging of the bed the segregated storage adsorp- tion bed is equalized with that adsorption bed during repressurizing thereof. A pair of flow control valves are connected in a gas flow path connected to the putlets of the adsorption beds, each valve being located adjacent a corres- ponding one of the beds and allowing unrestricted flow away from the corresponding bed and controlled flow toward that bed. A reservoir connected to the system output conduit stores product gas for use during a system malfunction or for aug- menting system function.
378989
Mccombs Norman R.
Vrana Edward E.
Gowling Lafleur Henderson Llp
Greene & Kellogg Inc.
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