Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture – Hydrogen component
Reexamination Certificate
2009-01-30
2011-12-06
Hendrickson, Stuart (Department: 1736)
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
Hydrogen component
C423S210000, C423S245100, C423S648100, C423S700000, C423S701000, C423S702000, C423S704000, C423S705000, C423S706000, C423S708000, C502S400000, C502S401000, C095S043000, C095S045000, C095S055000, C095S090000, C095S141000, C095S143000, C095S144000, C095S145000, C095S273000, C095S274000, C095S902000
Reexamination Certificate
active
08071063
ABSTRACT:
The present invention relates to the selective separation of hydrogen (“H2”) hydrocarbons in streams containing both hydrogen and hydrocarbons (e.g. methane, ethylene, ethane, propylene, propane, etc.) utilizing a zeolitic imidazolate framework (“ZIF”) material. Preferably, the stream to be separated is fed to the present process in a substantially gaseous phase. In preferred embodiments, the current invention is utilized in either a pressure swing adsorption process, a temperature swing adsorption process, or a membrane separations process to separate hydrogen from hydrocarbons present in hydrogen production streams or petrochemical/petroleum refining product streams and intermediate streams.
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Deckman Harry W.
Kortunov Pavel
Ni Zheng
Paur Charanjit S.
Reyes Sebastian C.
Berns Daniel
ExxonMobile Research and Engineering Company
Hendrickson Stuart
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