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Experimental Study on Renewable Porous Carbon Dioxide Adsorbent Materials for Space Shuttles

Author

Listed:
  • Chun Zhang

    (School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China)

  • Yu Wang

    (School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China)

  • Tao Liu

    (School of Aeronautics, Northwestern Polytechnical University, Xi’an 710072, China)

  • Hanbing Ke

    (Science and Technology on Thermal Energy and Power Laboratory, Wuhan Second Ship Design and Research Institute, Wuhan 430205, China)

Abstract

Porous adsorbent material is promising to be used to regeneratively remove CO 2 from space shuttles. In this work, the amount and isosteric heat of CO 2 adsorption in solid amine are experimentally studied at pressures ranging from 0 to 6 bar and temperatures ranging from 20 °C to 60 °C. The amount and isosteric heat of water adsorption in the solid amine is tested at different humidities (relative humidity 30–80%). The effective thermal conductivity of the solid amine at different atmospheres (air, N 2 , CO 2 and water), pressures and temperatures is also investigated. The results show that the best temperature for CO 2 adsorption in the solid amine is 45 °C under dry conditions. The amount of water adsorption increases with enhanced humidity, while the isosteric heat of water adsorption remains a constant value. The effective thermal conductivity of the solid amine increases with an increase in pressure. The adsorbed phase (CO 2 and water) in the solid amine makes a contribution to improving the effective thermal conductivity of solid amine particles. The above findings can help design a better adsorption system in space.

Suggested Citation

  • Chun Zhang & Yu Wang & Tao Liu & Hanbing Ke, 2022. "Experimental Study on Renewable Porous Carbon Dioxide Adsorbent Materials for Space Shuttles," Energies, MDPI, vol. 15(14), pages 1-12, July.
    • Handle: RePEc:gam:jeners:v:15:y:2022:i:14:p:4947-:d:857072
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