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ECN publication
Title:
Evaluatie en toepassingsmogelijkheden compressie resorptie warmtepompen
 
Author(s):
 
Published by: Publication date:
ECN Energy Efficiency in Industry 1-8-2001
 
ECN report number: Document type:
ECN-C--01-087 ECN publication
 
Number of pages: Full text:
43 Download PDF  

Abstract:
With compression resorption heat pumps, CRHP, it is possible to obtain a larger temperature lift and a higher temperature level than with conventional compression heat pumps. For a good performance of the CRHP, it is important to effectively use the T-glides of the working mixture. The CRHP systems can best be applied in industrial processes with a simultaneous sensible cooling and heating demand and a pinch temperature between 50 and 100 °C. Energy can be saved, compared to conventional heating and cooling systems, when the COP heating of a CRHP is >2.An economical evaluation shows a specific investment cost of about 1100 hfl/kW and a pay back period of more than 10 years with the present energy prizes in the Netherlands. CRHP systems are not available on the market yet, due to a lack of efficient absorbers, desorbers and compressors for an ammonia/water mixture.


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