Use of lubricants in systems using natural refrigerants
Changing environmental regulations have resulted in the increasing adoption of natural refrigerants, such as ammonia and carbon dioxide (CO2). This, in turn, has created a need for new lubricants specifically formulated to work with these options.
ExxonMobil has developed an in-depth technical guide that provides insight into the challenges presented by natural refrigerants. The paper also describes how lubricant/refrigerant interactions should be taken into consideration by equipment designers.
Lubricants for Refrigeration
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