Metal-organic frameworks for Xe/Kr separation
Patent
·
OSTI ID:1149694
Metal-organic framework (MOF) materials are provided and are selectively adsorbent to xenon (Xe) over another noble gas such as krypton (Kr) and/or argon (Ar) as a result of having framework voids (pores) sized to this end. MOF materials having pores that are capable of accommodating a Xe atom but have a small enough pore size to receive no more than one Xe atom are desired to preferentially adsorb Xe over Kr in a multi-component (Xe--Kr mixture) adsorption method. The MOF material has 20% or more, preferably 40% or more, of the total pore volume in a pore size range of 0.45-0.75 nm which can selectively adsorb Xe over Kr in a multi-component Xe--Kr mixture over a pressure range of 0.01 to 1.0 MPa.
- Research Organization:
- Northwestern Univ., Evanston, IL (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- FG02-03ER15457
- Assignee:
- Northwestern University (Evanston, IL)
- Patent Number(s):
- 8,784,536
- Application Number:
- 13/974,406
- OSTI ID:
- 1149694
- Resource Relation:
- Patent File Date: 2013 Aug 23
- Country of Publication:
- United States
- Language:
- English
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