DEVELOPMENT AND TESTING OF A REFRIGERATION UNIT FOR CARBON DIOXIDE PROCESSING WITH RECIRCULATION POSSIBILITY
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DOI:
https://doi.org/10.25712/ASTU.2072-8921.2025.04.044%20Keywords:
carbon dioxide, refrigeration system, R744, meat freezing, turkey meat, transcritical mode, refrigerant recirculation.Abstract
The paper presents the development and experimental testing of a refrigeration unit for turkey meat processing using carbon dioxide with refrigerant recirculation. The relevance of the study is determined by the need to introduce environmentally friendly refrigeration technologies that can replace fluorinated refrigerants and reduce the environmental impact of food industry enterprises. The use of CO₂ (R744) provides high cooling capacity while minimizing greenhouse gas emissions. The design of a vacuum refrigeration chamber with direct CO₂ contact, forced gas circulation, and automated operation is described. A three‑stage refrigeration system is proposed and tested. The results confirm intensified heat transfer, reduced cooling time, and improved product quality, demonstrating the industrial potential of the developed system.
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