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Category: Refrigeration

Advanced Processing Technology

Financial & Energy Analysis of Mechanical Refrigeration vs. Alternatives

Using liquid nitrogen or dry ice for processing is a major consumable operating cost. Although using these consumables is perceived as a simpler solution it is very inefficient, and comes with asphyxiation hazards and logistical overheard. Analysis comparing mechanical refrigeration systems vs. open loop refrigeration via liquid nitrogen and liquid CO2 can be found in …

Low temperature coolants and refrigerants, FDA Code of Federal Regulations Title 21, PART 178

There are several challenges to low temperature extractions and processing regarding the choice of coolants and refrigerants, and many unscrupulous operators are using non approved approaches such as direct expansion/injection of non food grade liquid nitrogen into the product steam, or use of non food grade recirculating coolants. This article intends to address confusion on …