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Less than 150 GWP options to replace R-452A for transport refrigeration.

Number: 292229

Author(s) : KUJAK S., SCHULTZ K.

Summary

Refrigerant R-452A has gained wide acceptance for use in the transport cold chain as a replacement for R-404A because of its ability to be a direct design compatible replacement for R-404A. R-452A is nonflammable and its GWP (Global Warming Potential) is about half that of R-404A which makes it a good interim replacement, but further greenhouse gas phasedown regulations starting in the early to mid-2020’s will require R-452A to be phased out as well. This paper provides a review of proposed and potential future refrigerants with less than 150 GWP as suitable replacements for R-452A. A summary of thermodynamic properties and cycle performance, along with flammability, stability, and toxicological properties is provided for a variety of hydrofluorocarbon (HFC) and hydrofluoroolefin (HFO) refrigerant blends. In addition, insights into the technological challenges to incorporate these low GWP substitutes and market viability are provided by potential application area.

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Details

  • Original title: Less than 150 GWP options to replace R-452A for transport refrigeration.
  • Record ID : 30027561
  • Languages: English
  • Subject: HFCs alternatives
  • Source: 6th IIR International Conference on Sustainability and the Cold Chain. Proceedings: Nantes, France, August 26-28 2020
  • Publication date: 2020/08/26
  • DOI: http://dx.doi.org/10.18462/iir.iccc.2020.292229
  • Document available for consultation in the library of the IIR headquarters only.

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