Skip to Content
Find More Like This
Return to Search

Carbon dioxide absorbent and method of using the same

United States Patent

October 4, 2011
View the Complete Patent at the US Patent & Trademark Office
In accordance with one aspect, the present invention provides an amino-siloxane composition comprising at least one of structures I, II, III, IV or V said compositions being useful for the capture of carbon dioxide from gas streams such as power plant flue gases. In addition, the present invention provides methods of preparing the amino-siloxane compositions are provided. Also provided are methods for reducing the amount of carbon dioxide in a process stream employing the amino-siloxane compositions of the invention as species which react with carbon dioxide to form an adduct with carbon dioxide. The reaction of the amino-siloxane compositions provided by the present invention with carbon dioxide is reversible and thus, the method provides for multicycle use of said compositions.
Perry; Robert James (Niskayuna, NY), Lewis; Larry Neil (Scotia, NY), O'Brien; Michael Joseph (Clifton Park, NY), Soloveichik; Grigorii Lev (Latham, NY), Kniajanski; Sergei (Clifton Park, NY), Lam; Tunchiao Hubert (Clifton Park, NY), Lee; Julia Lam (Niskayuna, NY), Rubinsztajn; Malgorzata Iwona (Ballston Spa, NY)
General Electric Company (Niskayuna, NY)
12/ 512,105
July 30, 2009
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.