Moreover, the cascade CO2/NH3 system showed a 5.8 percent overall efficiency improvement over the conventional ammonia system (Table 1). Many refrigeration engineers and service technicians have ...

Companies operating ammonia refrigeration systems are easy targets for EPA under a number of environmental programs. Recent history suggests release reporting under Section 112(r) of the Clean Air ...

Before the recent leak, Hood submitted documents to the EPA detailing information about its ammonia refrigeration system at the Suffield plant in the summer of 2019. Six months later, the EPA ...

David Rook, associate director of refrigeration training at Tyson Foods, a leader in this project, was among the first graduates of ammonia refrigeration classes offered at NWTI in 1998.