Abstract
This article is intended to draw attention of the community in general to the changes that have taken place in refrigeration and air conditioning industry of the HFC refrigerants currently used. The HFCs are not Ozone-depleting substances, but the some HFCs are greenhouse gases with very high potential for global warming (GWPs). Thus, more than 150 countries sign up the Kigali Amendment in 2016, establishing the decreasing of the production and consumption of the HFCs. This paper briefly describes the problems surrounding the HFCs and summarizes the fluids considered as alternatives for the main HFCs used in refrigeration systems presented in the scientific literature. In addition, the outlook and the current situation of the HFC withdrawal process in Colombia are analyzed.
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