CO2 (R-744) as a Refrigerant
What is driving interest in CO2 (R744)? In light of increasing apprehensions regarding the detrimental effects of fluorinated refrigerants on the environment, there has been a resurgence in using natural refrigerants. CO2 (R744) and R717 (NH3) refrigerants are utilized for industrial applications at low temperatures. Carbon Dioxide (CO2, R-744) has been used as a refrigerant…