Carbon dioxide phase diagram CO2 is solid below 56,4 degrees Celsius. When warming up under low pressure, the solid CO2 will turn into gas whilst under higher pressures (above 5-73 bar depending on the temperature) the solid (frozen) CO2 will turn into a liquid as shown in the chart. More importantly for CCS, however, is …
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Technical content articles by ValVestris
Compressed Air Energy Storage Current systems exist in Germany and in the US and can reach an efficiency between 42 and 54%. With heat exchangers and more efficient compression facilities and turbines, the industry is aiming for a 70% efficiency around 2025. In order to store significant amounts of energy, a sizable high-pressure storage unit …
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