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Secondary refrigerant systems for supermarket application with brine or carbon dioxide.

Author(s) : HESSE U.

Summary

First installations of secondary refrigerant systems in the United States were based on propylene glycol solutions as secondary refrigerant and thus were limited to the medium temperature sector. More recently, highly efficient brine fluids based on organic salt solutions have been introduced which can be used for low temperature application as well. Plastic tubing for secondary refrigerant distribution is an option for increased flexibility and efficiency while it is reducing the installation costs. There are also supermarket systems using carbon dioxide as secondary refrigerant, thus showing that there are further options. The use of carbon dioxide as low temperature refrigerant in a cascade system is a most promising option due to the high energetic efficiency.

Details

  • Original title: Secondary refrigerant systems for supermarket application with brine or carbon dioxide.
  • Record ID : 1997-0284
  • Languages: English
  • Source: Proceedings of the 1996 Purdue International Refrigeration Conference.
  • Publication date: 1996/07/23
  • Document available for consultation in the library of the IIR headquarters only.

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