In our Ammonia Refrigeration Simplified (click here) paper we told you everything you wanted to know about ammonia refrigeration but were afraid to ask. But ammonia isn’t the only refrigerant used in food processing, meat, dairy, bakery, and cold storage facilities. Freon (a trademark of Dow and the most recognized halocarbon chemical) is preferred by many processors. So what are the pros and cons of Freon? Read on to learn the facts from Food Plant Engineering team of experts.
Halocarbons come in two flavors: one is methane-based and the other ethane-based. Because of ozone-depletion concerns, methanes are being eliminated from industrial use. (As part of the Montreal Protocol, the widely-used halomethane R-12 was phased out in 1995. Similarly, R-22 is scheduled to cease production in 2020.) Ethane-based halocarbon systems are very common today in certain types of processing facilities. If you’re considering such a system, discuss the following:...