Month: February 2019

Carbon Dioxide for Industrial Refrigeration (part 1)

Carbon dioxide (CO2) is an old refrigerant, first patented in the United Kingdom in 1850 by Alexander Twinning, where it was subsequently used in air-conditioning and marine applications. With the development of the CFC, HCFC, and HFC synthetic refrigerants beginning around 1930, CO2 decreased in popularity, all but disappearing by 1960. Over the next two … Read more