Enhanced Xe/Kr separation via the pore size confinement effect of a microporous thorium-based metal-organic framework.

Authors :: Mi P
Chen L
Li X
Wang X
Li G
Cheng L
Lu J
Zhang H
Wang Y
Wang S
Source :: Dalton transactions (Cambridge, England : 2003) [Dalton Trans] 2022 Oct 18; Vol. 51 (40), pp. 15233-15238. Date of Electronic Publication: 2022 Oct 18.
Publication Year :: 2022
Abstract: A three-dimensional microporous thorium-based metal-organic framework (Th-BPYDC-I) that features a suitable pore size for Xe was prepared. The pore confinement effect enables high Xe uptake (2.15 mmol g <superscript>-1</superscript> ) and good Xe/Kr selectivity (7.49). This work highlights the critical role of the size-matching rule in noble gas separation and provides an alternative option for Xe/Kr separation.

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