WATER contamination in an industrial ammonia refrigeration system can lower system efficiency, and increase the electrical costs required to run the system's refrigeration compressors, says Hansen's Ray Ficker in a report on Water Contamination and Water Removal in Industrial Ammonia Refrigeration Systems.
For a given pressure, the addition of water to the ammonia will raise its temperature. At typical suction pressures, the addition of 10% water by weight will increase the evaporator temperature by about 4 deg F (2 deg C).
Stated
