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Capture of carbon dioxide by hybrid sorption

United States Patent

September 23, 2014
View the Complete Patent at the US Patent & Trademark Office
A composition, process and system for capturing carbon dioxide from a combustion gas stream. The composition has a particulate porous support medium that has a high volume of pores, an alkaline component distributed within the pores and on the surface of the support medium, and water adsorbed on the alkaline component, wherein the proportion of water in the composition is between about 5% and about 35% by weight of the composition. The process and system contemplates contacting the sorbent and the flowing gas stream together at a temperature and for a time such that some water remains adsorbed in the alkaline component when the contact of the sorbent with the flowing gas ceases.
Srinivasachar; Srivats (Sturbridge, MA)
13/ 478,184
May 23, 2012
GOVERNMENT RIGHTS The disclosed technology was developed under SBIR/STTR Contract number DE-SC0004476 issued by U.S. Department of Energy. The US government has certain rights herein.