Frontiers of Chemical Science and Engineering >

2014 , Vol. 8 >Issue 3: 340 - 345

DOI: https://doi.org/10.1007/s11705-014-1438-6

RESEARCH ARTICLE

CuAlCl4 doped MIL-101 as a high capacity CO adsorbent with selectivity over N2

  • Yixiu WANG 1 ,
  • Chao LI 1 ,
  • Fanchao MENG 1 ,
  • Shuling LV 1 ,
  • Jintao GUO 1 ,
  • Xiaoqin LIU 1 ,
  • Chongqing WANG 2 ,
  • Zhengfei MA , 1,2
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  • 1. College of Chemistry and Chemical Engineering, Nanjing University of Technology, Nanjing 210009, China
  • 2. State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing University of Technology, Nanjing 210009, China

Received date: 21 Nov 2013

Accepted date: 18 Mar 2014

Published date: 11 Oct 2014

Copyright

2014 Higher Education Press and Springer-Verlag Berlin Heidelberg
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Abstract

A CuAlCl4 doped metal organic framework, CuAlCl4@MIL-101, was prepared by introducing CuAlCl4 into the pores of MIL-101 for the selective adsorption of CO over N2. The CuAlCl4 molecules were evenly distributed into various pores sizes and did not change the intrinsic structure of the MIL-101. Isotherms for CO and N2 adsorption at 298 K showed that the CO capacity on CuAlCl4@MIL-101 was much higher than that on virgin MIL-101, whereas the N2 capacity decreased. The selectivity for CO over N2 improved from 4.64 to 31.5 at 298 K and 1 bar. The CuAlCl4@MIL-101 adsorbent displayed outstanding CO adsorption stability and the adsorbent could be regenerated by applying a simple vacuum of 4 mmHg.

Key words： metal organic framework; CO adsorbent; high stability; high selectivity; CuAlCl4

Cite this article

Yixiu WANG , Chao LI , Fanchao MENG , Shuling LV , Jintao GUO , Xiaoqin LIU , Chongqing WANG , Zhengfei MA . CuAlCl4 doped MIL-101 as a high capacity CO adsorbent with selectivity over N2[J]. Frontiers of Chemical Science and Engineering, 2014 , 8(3) : 340 -345 . DOI: 10.1007/s11705-014-1438-6

Acknowledgments

We thank Xiaoxiao Chen for assistance in the synthesis, Yong Chen for his help with the adsorption measurements, and Yu Jin for BET surface area analysis.

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