R-22 vs. R717 (Ammonia) Capital and Operating Cost Compariso
R-22 vs. R717 (Ammonia) Capital and Operating Cost Comparison Studies for Refrigerated Facilities (1990)-The question of using R-22 versus R-717 (Ammonia) as a refrigerant in the industrial refrigeration market place is much older than the consideration of the replacement of R-22 due to its environmental implications. This issue has been so important to those involved that equipment manufacturers, installing contractors and large end-users formed the International Institute of Ammonia Refrigeration several years ago to promote ammonia’s use. This paper will review a few aspects of the evaluation process frequently done by an owner/end-user, his engineering consultant, or contractor to make the decision of refrigerant choice on a project.
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