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Regenerable sorbents for CO.sub.2 capture from moderate and high temperature gas streams

United States Patent

January 1, 2008
View the Complete Patent at the US Patent & Trademark Office
U.S. Department of Energy - Visit the Office of the Assistant General Counsel for Technology Transfer & Intellectual Property Website
A process for making a granular sorbent to capture carbon dioxide from gas streams comprising homogeneously mixing an alkali metal oxide, alkali metal hydroxide, alkaline earth metal oxide, alkaline earth metal hydroxide, alkali titanate, alkali zirconate, alkali silicate and combinations thereof with a binder selected from the group consisting of sodium ortho silicate, calcium sulfate dihydrate (CaSO.sub.4.2H.sub.2O), alkali silicates, calcium aluminate, bentonite, inorganic clays and organic clays and combinations thereof and water; drying the mixture and placing the sorbent in a container permeable to a gas stream.
Siriwardane; Ranjani V. (Morgantown, WV)
The United States of America as represented by the United States Department of Energy (Washington, DC), N/A (
10/ 969,674
October 21, 2004
CONTRACTUAL ORIGIN OF INVENTION The United States Government has rights in this invention pursuant to an employer-employee agreement between The U.S. Department of Energy and The National Energy Technology Laboratory.