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SEWAGE-SOURCE HEAT PUMPS IN COLD REGIONS.

Author(s) : PHETTEPLACE G. E., UEDA H. T.

Type of article: Article

Summary

WATER-SOURCE HEAT PUMPS WERE INSTALLED IN 2 WASTE TREATMENT BUILDINGS AT FT GREELY, ALASKA. THESE HEAT PUMPS USE PRIMARY EFFLUENT AS A SOURCE OFHEAT AND INTERMEDIATE LOOPS CIRCULATING AN ETHYLENE GLYCOL/WATER MIXTURE TO TRANSFER HEAT FROM THE EFFLUENT HEAT EXCHANGERS TO THE HEAT PUMP EVAPORATORS. DETAILED PERFORMANCE DATA WERE TAKEN ON BOTH UNITS DURING 2 HEATING SEASONS. ONE UNIT ACHIEVED AN AVERAGE COP OF 2.6, WHILE THE COP OF THE OTHER UNIT AVERAGED 2.3. FOULING OF THE HEAT EXCHANGERS BY THE EFFLUENT WAS NOT A PROBLEM.

Details

  • Original title: SEWAGE-SOURCE HEAT PUMPS IN COLD REGIONS.
  • Record ID : 1991-2741
  • Languages: English
  • Source: IEA HPC Newsl. - vol. 9 - n. 1
  • Publication date: 1991/03
  • Document available for consultation in the library of the IIR headquarters only.

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