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H2/CO2 Gas Transport Performance in Poly (Ethylene Oxide) Reverse-selective Membrane with Star-like Structures

  • Organic materials
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Abstract

A series of poly (ethylene oxide) (PEO) membranes with star-like structures for CO2/ H2 separation were prepared by the photo-polymerization method. The structure of PEO membrane was characterized by Fourier transform infrared spectroscopy (FTIR). The thermal property and inter-segmental distance of polymer chain were investigated by differential scanning calorimetry and wide-angle X-ray diffraction, respectively. The density was determined by hydrostatic weighing method. The gas permeability, solubility and diffusivity of CO2 and H2 were investigated in the star-like PEO membranes. The relationship between gas permeation performances and physical properties was also discussed. The membrane exhibits outstanding CO2 permeability (about 9.7×10-11 cm3 (STP) cm/cm2/s/Pa) and CO2/H2 selectivity (about 11) compared with other membranes.

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Authors and Affiliations

  1. State Key Laboratory of Separation Membranes and Membrane Processes/National Center for International Joint Research on Separation Membrane, Tianjin Polytechnic University, Tianjin, 300387, China

    Hongyong Zhao  (赵红永), Xiaoli Ding  (丁晓莉), Zhengang Wei, Yuzhong Zhang & Xiaoyao Tan

  2. Tianjin Key Laboratory of Hollow Fiber Membrane Materials and Processes, Tianjin Polytechnic University, Tianjin, 300387, China

    Hongyong Zhao  (赵红永), Xiaoli Ding  (丁晓莉), Yuzhong Zhang & Xiaoyao Tan

  3. School of Environmental and Chemical Engineering, Tianjin Polytechnic University, Tianjin, 300387, China

    Hongyong Zhao  (赵红永), Zhengang Wei, Qian Xie & Xiaoyao Tan

  4. Institute of Separation Material and Process Control, School of Material Science and Engineering, Tianjin Polytechnic University, Tianjin, 300387, China

    Xiaoli Ding  (丁晓莉) & Yuzhong Zhang

Authors
  1. Hongyong Zhao  (赵红永)
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  2. Xiaoli Ding  (丁晓莉)
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  3. Zhengang Wei
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  4. Qian Xie
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  5. Yuzhong Zhang
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  6. Xiaoyao Tan
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Corresponding author

Correspondence to Xiaoli Ding  (丁晓莉).

Additional information

Funded by the National Natural Science Foundation of China (Nos. 21776217, 21506160), the Science and Technology Plans of Tianjin (Nos. 17PTSYJC00050, 18PTSYJC 00190)

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Zhao, H., Ding, X., Wei, Z. et al. H2/CO2 Gas Transport Performance in Poly (Ethylene Oxide) Reverse-selective Membrane with Star-like Structures. J. Wuhan Univ. Technol.-Mat. Sci. Edit. 34, 195–200 (2019). https://doi.org/10.1007/s11595-019-2035-9

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  • DOI: https://doi.org/10.1007/s11595-019-2035-9

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