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Introduction Currently it is not an easy matter for decision makers in commercial refrigeration to make a definite choice of refrigerants and system type. For the last decade, many refrigerant options and system architectures have appeared both on paper and in practice. The sector has been in the environmental spotlight in recent years, especially as leakage studies have revealed the true effects of HFC emissions in centralised systems. Considerable reductions in emissions are certainly possible, but they do require changes. Emerson conducted a study on this topic, comparing various options. The conclusion was clear, there is no best option for key criteria, environment, cost and power consumption. A tool, The Right Balance calculator, is available on the Emerson website to enable customers to make tailored comparisons. Different options are likely to develop in the next decade depending on regional trends, legislation, genuine green initiatives and green image enhancement. R744 (CO2) is a leading option for environmental reasons, and it can be a winner for power consumption as developments of component technology and application methods continue to reveal potential performance gains. Good experience has been gained with different system configurations over many years, particularly in central and northern Europe. The confidence resulting from this experience ensures that CO2 will be a long-term option in the foreseeable future. CO2 is termed a “Natural Refrigerant” because it exists in the natural environment. Released into the atmosphere from refrigeration systems has a negligible effect compared to other CO2 sources that are driving the global warming debate. As a refrigerant, it is a manufactured product that conforms to strict purity specifications. Its physical properties require special handling. The system pressures are much higher than in conventional systems, and all the components are designed accordingly. Today there is no difficulty in sourcing all the necessary equipment. High investment costs were characteristic of early CO2 projects, but these costs are now on a downward trend. The refrigerant itself is a fraction of the cost of some of the specialty HFCs. 3PDF Image | CO2 Product Guide 2021
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CO2 Organic Rankine Cycle Experimenter Platform The supercritical CO2 phase change system is both a heat pump and organic rankine cycle which can be used for those purposes and as a supercritical extractor for advanced subcritical and supercritical extraction technology. Uses include producing nanoparticles, precious metal CO2 extraction, lithium battery recycling, and other applications... More Info
Heat Pumps CO2 ORC Heat Pump System Platform More Info
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