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IIR document

Indirect refrigeration systems.

Author(s) : LINDBORG A.

Summary

Well designed indirect systems for chilling applications can offer lower connection charges and lower energy consumption compared with direct systems. Indirect systems are also an important factor in the phasing out of CFC/HCFC refrigerants. The selection of secondary refrigerant systems is not wholly influenced by their thermophysical properties and hygiene has also been influenced by emotional factors that are not always grounded in objective analysis. The potassium salts (KCOOH and CH3KOOH) which have become popular during the last 5-10 years are hygienic and can equal ethylene glycol and calcium chloride in energy performance. However, these potassium salts are extremely corrosive and require knowledge and skill in the design and selection of system components. Leakage from systems with potassium salts can produce very negative consequences including serious corrosion and disturbance to operation routines.

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Details

  • Original title: Indirect refrigeration systems.
  • Record ID : 2005-0176
  • Languages: English
  • Source: 21st IIR International Congress of Refrigeration: Serving the Needs of Mankind.
  • Publication date: 2003/08/17

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