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Rapport 2414173 - October 2007 __________________________________________________________________ Figure 45 : R744 expansion processes (www.danfoss.com) In a first step, R744 and water combine to yield carbonic acid, with a mild effect. However, this acid further combines with R744 to give a hydronium ion, which has the effect of an activated acid and reacts with construction materials such as steel. The acid attack shown in Figure 46 is a form of R744 corrosion that occurs in flowing environments, and occurs where a protective iron carbonate coating is worn away in areas. Figure 46 : Pipe corrosion in flowing environment (octane.nmt.edu/waterquality/corrosion/CO2.htm) __________________________________________________________________________________________ SHERPHA PROJECT - Transcritical R744 Heat Pumps – Technician's Manual 41/63PDF Image | Transcritical R744 (CO2) Heat Pumps 2017
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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
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