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Enrichment of Hydrogen from a Hydrogen/Propylene Gas Mixture Using ZIF-8/Water-Glycol Slurry

Author

Listed:
  • Hai Li

    (State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China)

  • Xueteng Gao

    (State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China)

  • Chongzhi Jia

    (State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China)

  • Wan Chen

    (State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China)

  • Bei Liu

    (State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China)

  • Lanying Yang

    (State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China)

  • Changyu Sun

    (State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China)

  • Guangjin Chen

    (State Key Laboratory of Heavy Oil Processing, China University of Petroleum, Beijing 102249, China)

Abstract

In this work, zeolitic imidazolate framework-8 (ZIF-8), a subclass of metal organic frameworks (MOFs), was dispersed in a water-glycol solution to form a porous slurry. Using this porous slurry, a tail gas mixture containing hydrogen/propylene was separated. Experiments were performed to investigate the effects of using only the solid ZIF-8 material, a ZIF-8/water slurry, a ZIF-8/glycol slurry, or a ZIF-8/water-glycol slurry on the selectivity of the separation. The experimental results show that the slurry made from ZIF-8/water-glycol (20%) achieves good gas separation. The respective influences of the solid content, initial pressure, and temperature on the separation performance were also investigated in detail. We found that lower temperature, a ZIF-8 mass fraction of 20 wt %, and a higher operation pressure are suitable for the recovering of hydrogen from a H 2 /C 3 H 6 mixture. The selectivity of C 3 H 6 over H 2 reaches 128 at 680 kPa initial pressure. The slurries were completely reusable for at least three cycles. The structure of the ZIF-8 material was not altered after repeated separation, meaning the material can likely be reused more than three times on an industrial scale.

Suggested Citation

  • Hai Li & Xueteng Gao & Chongzhi Jia & Wan Chen & Bei Liu & Lanying Yang & Changyu Sun & Guangjin Chen, 2018. "Enrichment of Hydrogen from a Hydrogen/Propylene Gas Mixture Using ZIF-8/Water-Glycol Slurry," Energies, MDPI, vol. 11(7), pages 1-13, July.
    • Handle: RePEc:gam:jeners:v:11:y:2018:i:7:p:1890-:d:158948
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    References listed on IDEAS

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    1. Julian Jepsen & Chiara Milanese & Julián Puszkiel & Alessandro Girella & Benedetto Schiavo & Gustavo A. Lozano & Giovanni Capurso & José M. Bellosta von Colbe & Amedeo Marini & Stephan Kabelac & Marti, 2018. "Fundamental Material Properties of the 2LiBH 4 -MgH 2 Reactive Hydride Composite for Hydrogen Storage: (I) Thermodynamic and Heat Transfer Properties," Energies, MDPI, vol. 11(5), pages 1-23, April.
    2. Zhi Li & Gangqiang Xu & Bei Liu & Xin Lv & Guangjin Chen & Changyu Sun & Peng Xiao & Yifei Sun, 2015. "Molecular Simulation Studies of Flue Gas Purification by Bio-MOF," Energies, MDPI, vol. 8(10), pages 1-15, October.
    3. Julian Jepsen & Chiara Milanese & Julián Puszkiel & Alessandro Girella & Benedetto Schiavo & Gustavo A. Lozano & Giovanni Capurso & José M. Bellosta von Colbe & Amedeo Marini & Stephan Kabelac & Marti, 2018. "Fundamental Material Properties of the 2LiBH 4 -MgH 2 Reactive Hydride Composite for Hydrogen Storage: (II) Kinetic Properties," Energies, MDPI, vol. 11(5), pages 1-15, May.
    4. Wei Feng & Qingyuan Wang & Xiaodong Zhu & Qingquan Kong & Jiejie Wu & Peipei Tu, 2018. "Influence of Hydrogen Sulfide and Redox Reactions on the Surface Properties and Hydrogen Permeability of Pd Membranes," Energies, MDPI, vol. 11(5), pages 1-10, May.
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