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1. Table 6-1. Different concentrations of CO2 and their expected health consequences (Sawalha, 2008). Time-Weighted Average (TWA) concentration that must not exceed during any 8 hour per day 40 hour per week; Threshold Limit Value (TLV): TWA concentration to which one may be repeatedly exposed for 8 hours per day 40 hours per week without adverse effect. 49 PPM Effects on Health 350 1000 5000 Normal value in the atmosphere Recommended not to be exceeded for human comfort TLV-TWA1 Can affect the respiration function and cause excitation followed by depression of the central nervous system. 50% increase in the breathing rate 100% increase in breathing rate after short time exposure Lowest Lethal concentration Death accidents that have been reported Quickly results in unconsciousness and convulsions 20000 50000 100000 200000 300000PDF Image | CO2 HEAT PUMPS FOR COMMERCIAL BUILDING APPLICATIONS
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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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