Highly selective CO2 removal for one-step liquefied natural gas processing by physisorbents
Date
2019Author
Madden, David G.O'Nolan, Daniel
Chen, Kai Jie
Hua, Carol
Kumar, Amrit
Pham, Tony
Forrest, Katherine A.
Space, Brian
Perry, John J.
Khraisheh, Majeda
Zaworotko, Michael J.
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Industrial specifications require CO2 concentrations in natural gas below 50 ppm during liquefaction because of corrosion and CO2 freezing. Herein, we report a physisorbent (TIFSIX-3-Ni) that exhibits new benchmark CO2/CH4 selectivity and fast kinetics, thereby enabling one-step LNG processing to CO2 levels of 25 ppm. - 2019 The Royal Society of Chemistry.
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