2019-06-192019-06-192019-03Ghosh, Saunab, Barron, Andrew R. and Ho, Jason, "Method, synthesis, activation procedure and characterization of an oxygen rich activated porous carbon sorbent for selective removal of carbon dioxide with ultra high capacity." Patent US10232342B2. issued 2019-03. Retrieved from <a href="https://hdl.handle.net/1911/106106">https://hdl.handle.net/1911/106106</a>.https://hdl.handle.net/1911/106106The present disclosure pertains to materials for CO2 adsorption at pressures above 1 bar, where the materials include a porous material with a surface area of at least 2,800 m2/g, and a total pore volume of at least 1.35 cm3/g, where a majority of pores of the porous material have diameters of less than 2 nm as measured from N2 sorption isotherms using the BET (Brunauer-Emmett-Teller) method. The present disclosure also pertains to materials for separation of CO2 from natural gas at partial pressures of either component above 1 bar, where the materials include a porous material with a surface area of at least 2,200 m2/g, and a total pore volume of at least 1.00 cm3/g, where a majority of pores of the porous material have diameters of greater than 1 nm and less than 2 nm as measured from N2 sorption isotherms using the BET method.93engUtility patentUS10232342B2