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AssigneeGeneral Electric Company
InventorsRobert James Perry, Grigorii Lev Soloveichik, Malgorzata Iwona Rubinsztajn, Michael Joseph O'Brien, Larry Neil Lewis, Tunchiao Hubert Lam, Sergei Kniajanski, Dan Hancu
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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 CO2 or have a high-affinity for CO2, 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 CO2. The absorbent may be utilized in methods to reduce carbon dioxide in an exhaust gas, and finds particular utility in power plants.
A method for reducing the amount of carbon dioxide in a process stream comprising contacting the stream with a carbon dioxide absorbent comprising (i) a liquid, nonaqueous silicon-based material, functionalized with one or more nitrogen atom-containing groups that reversibly react with CO2 and/or have a high-affinity for CO2;
Dependencies are inferred from the claim text.