Issue 49, 2021
From the journal:

RSC Advances

A microporous Ce-based MOF with the octahedron cage for highly selective adsorption towards xenon over krypton†

Xiaoling Wu, ORCID logo ab   Zi-Jian Li, ORCID logo ab   He Zhou,ab   Lin Li,ab   Zhenghua Qian,a   Nan Qian,a   Xinxin Chu*ab  and  Wei Liu*ab  

* Corresponding authors

a Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai 201800, China
E-mail: liuwei@sinap.ac.cn, chuxinxin@sinap.ac.cn

b University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

The collection of high-purity noble gases with recyclable nuclides provides substantial economic benefits and minimizes the risk of environmental pollution, which is a future development tendency for nuclear industries. Here, Ce-SINAP-1, with its radiation-resistance (up to 20 kGy of γ-ray irradiation) and suitable pore channels for the separation of noble gases (Ar, Kr and Xe), was synthesized. Ce-SINAP-1 exhibited the selective adsorption of Xe (2.02 mmol g−1) over Kr (0.67 mmol g−1) and Ar (0.27 mmol g−1) at 293 K (1 bar) with a Henry's selectivity of 8.24 (Xe/Kr), and an ideal adsorbed solution theory selectivity of 14.9 (Xe : Kr 20 : 80). The result of the dynamic breakthrough experiment also indicates a good separation for Xe/Kr with Ar.

Graphical abstract: A microporous Ce-based MOF with the octahedron cage for highly selective adsorption towards xenon over krypton

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Article information

DOI
https://doi.org/10.1039/D1RA04824D
Article type
Paper
Submitted
22 Jun 2021
Accepted
25 Aug 2021
First published
17 Sep 2021
This article is Open Access
Creative Commons BY-NC license

RSC Adv., 2021,11, 30918-30924

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A microporous Ce-based MOF with the octahedron cage for highly selective adsorption towards xenon over krypton

X. Wu, Z. Li, H. Zhou, L. Li, Z. Qian, N. Qian, X. Chu and W. Liu, RSC Adv., 2021, 11, 30918 DOI: 10.1039/D1RA04824D

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