Reversed ethane/ethylene adsorption in a metal-organic framework via introduction of oxygen

Ling Yang; Wei Zhou; Hao Li; Ali Alsalme; Litao Jia; Jiangfeng Yang; Jinping Li; Libo Li; Banglin Chen

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Reversed ethane/ethylene adsorption in a metal-organic framework via introduction of oxygen

Materials and Product Engineering | Updated：2026-01-06

- Reversed ethane/ethylene adsorption in a metal-organic framework via introduction of oxygen
- Chinese Journal of Chemical Engineering Vol. 28, Issue 2, Pages: 593-597(2020)
- Affiliations：
  
  1. College of Chemistry and Chemical Engineering, Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization, Taiyuan University of Technology,Taiyuan,China,030024
  2. NIST Center for Neutron Research, National Institute of Standards and Technology,MD,Gaithersburg,United States,20899-6102
  3. Department of Chemistry, University of Texas at San Antonio, One UTSA Circle,TX,San Antonio,United States,78249-0698
  4. Chemistry Department, College of Science, King Saud University, P O Box 2455, Riyadh 11451, Saudi Arabia
  5. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences,Taiyuan,China,030024
  6. Key Laboratory of Coal Science and Technology, Taiyuan University of Technology,Taiyuan,China,030024
  7. Shanxi Key Laboratory of Gas Energy Efficient and Clean Utilization,Taiyuan,China,030024
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：2020
- Accepted：
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Ling Yang, Wei Zhou, Hao Li, Ali Alsalme, Litao Jia, Jiangfeng Yang, Jinping Li, Libo Li, Banglin Chen. Reversed ethane/ethylene adsorption in a metal-organic framework via introduction of oxygen[J]. Chinese Journal of Chemical Engineering, 2020, 28(2): 593-597.
DOI：

Ling Yang, Wei Zhou, Hao Li, Ali Alsalme, Litao Jia, Jiangfeng Yang, Jinping Li, Libo Li, Banglin Chen. Reversed ethane/ethylene adsorption in a metal-organic framework via introduction of oxygen[J]. Chinese Journal of Chemical Engineering, 2020, 28(2): 593-597. DOI：

摘要

Abstract

Separation of ethane from ethylene is a very important but challenging process in the petrochemical industry. Finding an alternative method would reduce the energy needed to make 170 million tons of ethylene manufactured worldwide each year. Adsorptive separation using C

-selective porous materials to directly produce high-purity C

is more energy-efficient. We herein report the “reversed C

adsorption” in a metal-organic framework Cr-BTC

via

the introduction of oxygen on its open metal sites. The oxidized Cr-BTC(O

) can bind C

over C

through the active Cr-superoxo sites

which was elucidated by the gas sorption isotherms and density functional theory calculations. This material thus exhibits a good performance for the separation of 50/50 C

mixtures to produce 99.99% pure C

in a single separation operation.

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