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Systems and methods of storing combustion waste products

United States Patent

April 12, 2016
View the Complete Patent at the US Patent & Trademark Office
In one aspect, methods of storing one or more combustion waste products are described herein. Combustion waste products stored by a method described herein can include solid combustion waste products such as coal ash and/or gaseous combustion products such as carbon dioxide. In some embodiments, a method of storing carbon dioxide comprises providing a carbon dioxide storage medium comprising porous concrete having a macroporous and microporous pore structure and flowing carbon dioxide captured from a combustion flue gas source into the pore structure of the porous concrete.
Chen; Shen-En (Charolotte, NC), Wang; Peng (Charlotte, NC), Miao; Xiexing (Jiangsu, CN), Feng; Qiyan (Jiangsu, CN), Zhu; Qianlin (Jiangsu, CN)
China University of Mining & Technology (Xuzhou, Jiangsu Province, CN), University of North Carolina at Charlotte (Charlotte, NC)
14/ 423,986
August 30, 2013
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH This invention was made with government support under contract number DE-FC26-06NT43029 awarded by the United States Department of Energy. The government has certain rights in the invention.