Technical content articles by ValVestris
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 …
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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