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

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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.

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Authors and Affiliations

  1. College of Chemistry and Chemical Engineering, Nanjing University of Technology, Nanjing, 210009, China

    Yixiu Wang, Chao Li, Fanchao Meng, Shuling Lv, Jintao Guo, Xiaoqin Liu & Zhengfei Ma

  2. State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing University of Technology, Nanjing, 210009, China

    Chongqing Wang & Zhengfei Ma

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  1. Yixiu Wang
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  2. Chao Li
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  3. Fanchao Meng
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  4. Shuling Lv
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  5. Jintao Guo
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  6. Xiaoqin Liu
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  7. Chongqing Wang
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  8. Zhengfei Ma
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Correspondence to Zhengfei Ma.

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Wang, Y., Li, C., Meng, F. et al. CuAlCl4 doped MIL-101 as a high capacity CO adsorbent with selectivity over N2 . Front. Chem. Sci. Eng. 8, 340–345 (2014). https://doi.org/10.1007/s11705-014-1438-6

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

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