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Liquid carbon dioxide absorbents, methods of using the same, and related systems

United States Patent

September 13, 2016
View the Complete Patent at the US Patent & Trademark Office
A carbon dioxide absorbent composition is described, including (i) a liquid, nonaqueous silicon-based material, functionalized with one or more groups that either reversibly react with CO.sub.2 or have a high-affinity for CO.sub.2; and (ii) a hydroxy-containing solvent that is capable of dissolving both the silicon-based material and a reaction product of the silicon-based material and CO.sub.2. The absorbent may be utilized in methods to reduce carbon dioxide in an exhaust gas, and finds particular utility in power plants.
O'Brien; Michael Joseph (Niskayuna, NY), Perry; Robert James (Niskayuna, NY), Lam; Tunchiao Hubert (Clifton Park, NY), Soloveichik; Grigorii Lev (Latham, NY), Kniajanski; Sergei (Clifton Park, NY), Lewis; Larry Neil (Scotia, NY), Rubinsztajn; Malgorzata Iwona (Ballston Spa, NY), Hancu; Dan (Clifton Park, NY)
General Electric Company (Niskayuna, NY)
13/ 332,843
December 21, 2011
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT This invention was made with Government support under grant number DE-NT0005310 awarded by the Department of Energy-NETL. The Government has certain rights in the invention.