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Ammonia and CO2 applications in industrial refrigeration plants.

Number: pap. n. 3

Author(s) : BOONE J., IVANOV I.

Summary

This paper presents the results of an Ammonia/CO2 system operating in a poultry slaughterhouse installed in the Netherlands. The initial F-gas plant with a refrigeration capacity around 600 kW was built around 1986. The R22 has been phased out and plant has been re-build in 2011 (R22->R507) and extended with a CO2 pump system for the refrigeration plant extension of 1000kW. The R507 system is designed and executed that it can be fully switched to NH3 in the future. The plant process requiring hot water is also using an NH3 heat pump using the heat rejection from the refrigeration system as heat source. The CO2 system produces 950 kW CO2 at –7°C and is foreseen for future extension to 1500 kW. The NH3 refrigeration system uses 2 screw compressors producing 1030 kW at –11°C. The hot water heat pump produces 425 kW of 68°C hot water per hour with a COP of 5.6. The new plant started in 2011 and operated approx. 3000 hrs per year with a return on investment of less than 5 years compared to conventional gas boiler systems.

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Pages: 8 p.

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Details

  • Original title: Ammonia and CO2 applications in industrial refrigeration plants.
  • Record ID : 30014579
  • Languages: English
  • Subject: General information
  • Source: 6th Conference on Ammonia and CO2 Refrigeration Technology. Proceedings: Ohrid, North Macedonia, April 16-18, 2015.
  • Publication date: 2015/04/16

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