Pros and Cons of Popular Industrial Refrigerants

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As R22 refrigerants are being phased out, many food processing facilities are re-evaluating their industrial refrigerants due to environmental concerns, legislative requirements and cost efficiency. In selecting a long-term refrigerant, it is important to consider your system’s requirements and the operational considerations / limitations of each refrigerant. Equally important are the refrigerant’s safety, impact on the environment, and performance.

Consider each of these factors when evaluating your plant’s long-term refrigerant:

–       Efficiency — operating pressure and range of temperatures

–       Safety — toxicity and flammability

–       Environmental impact — ideally you’ll want to select a refrigerant with zero ODP (ozone depleting potential) and a low GWP (global warming potential)

–       Thermophysical properties — high / low pressure levels and pressure ratio of the refrigerant in the application

–       Chemical properties — material compatibility and miscibility with oil

–       Cost — installation and long-term costs

–       Availability

Here are the pros, cons and operational considerations of the most popular refrigerants in food processing:

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