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Adsorption desalination using natural mesoporous material impregnated with chloride substances.

Number: 1300

Author(s) : IZAWA M., HE F., NAGANO K., TOGAWA J.

Summary

Desalination is effective to solve problems of pure water shortage in many water stressed regions. However, the conventional technologies consume vast quantities of energy derived from fossil fuels, which cause increase of CO2 emissions and high operating cost. On the other hand, adsorption desalination (AD) employs the renewable energy sources and low temperature waste heat sources, which contributes to reducing fossil energy. This paper presents the performance of a laboratory scale AD whose thermal capacity is 100W using natural mesoporous material called Wakkanai siliceous shale (WSS) impregnated with chloride substances as the adsorbent. This material has been developed for the low-cost adsorption heat pump in our laboratory. The performance ratio (PR) and the specific daily water production (SDWP) are 0.41 and 25.0 m3.t-1.day-1, respectively, at the half cycle time of 5 minutes. Finally, PR and SDWP were improved to 0.49 and 37.0 m3.t-1.day-1, respectively with the cooling capacity recovery.

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Details

  • Original title: Adsorption desalination using natural mesoporous material impregnated with chloride substances.
  • Record ID : 30027891
  • Languages: English
  • Subject: Technology
  • Source: 14th IIR-Gustav Lorentzen Conference on Natural Refrigerants (GL2020). Proceedings. Kyoto, Japon, December 7-9th 2020.
  • Publication date: 2020/12/07
  • DOI: http://dx.doi.org/10.18462/iir.gl.2020.1300

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