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Rotary moving bed for CO.sub.2 separation and use of same

United States Patent

9,539,540
January 10, 2017
View the Complete Patent at the US Patent & Trademark Office
A rotary moving bed and process for separating a carbon dioxide from a gas stream is disclosed. The rotary moving bed can have a rotational assembly rotating on a vertical axis, and a plurality of sorbent cells positioned horizontally to the axis of rotation that fills a vertical space in the moving bed, where the sorbent cells adsorb the carbon dioxide by concentration swing adsorption and adsorptive displacement. The sorbent can be regenerated and the carbon dioxide recaptured by desorbing the carbon dioxide from the sorbent using concentration swing adsorption and desorptive displacement with steam. The gas flows in the system flow in a direction horizontal to the axis of rotation and in a direction opposite the rotational movement of the sorbent cells.
Elliott; Jeannine Elizabeth (Superior, CO), Copeland; Robert James (Arvada, CO), McCall; Patrick P. (Matawan, NJ)
EXXONMOBIL RESEARCH AND ENGINEERING COMPANY (Annandale, NJ), TDA RESEARCH, INC. (Wheat Ridge, CO)
14/ 325,579
20150007725
July 8, 2014
STATEMENT OF FEDERALLY SPONSORED RESEARCH Portions of this disclosure were made with Government support under Grant Number DE-NT0005497, awarded by The Department of Energy. The Government may have certain rights in the disclosure.