Carbon Dioxide in North American Supermarkets
With the planned phasing out of R-22, CO2 is getting a new look as a refrigerant for supermarket refrigeration. CO2 as a two-phase secondary coolant showed several advantages compared to the single-phase salts. This article explains these benefits along with the main disadvantages of CO2—higher operating pressures and availability of components.
Authors: By David Hinde; Shitong Zha, Ph.D.; and Lin Lan
Citation: ASHRAE Journal, vol. 51, no. 2, February 2009, pp.
Publish Date: February 2009
Free Download: Downloadable - hinde0209.pdf