Making Liquid CO2: Is It Possible?

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SUMMARY

Producing liquid CO₂ is achievable by applying pressure above 5.11 atm, as indicated by the CO₂ phase diagram. The phase transitions of CO₂, including melting and boiling, occur when temperature increases under these conditions. Understanding the P-T phase diagram is crucial for anyone looking to create liquid CO₂ effectively.

PREREQUISITES
  • Understanding of phase diagrams, specifically the P-T phase diagram for CO₂.
  • Knowledge of the properties of carbon dioxide (CO₂) under varying pressure and temperature.
  • Familiarity with basic thermodynamics principles.
  • Experience with high-pressure systems and safety protocols.
NEXT STEPS
  • Research the CO₂ P-T phase diagram to understand the conditions for liquid CO₂ production.
  • Explore high-pressure equipment suitable for maintaining CO₂ above 5.11 atm.
  • Study the thermodynamic properties of CO₂ to optimize the production process.
  • Investigate safety measures and protocols for handling high-pressure gases.
USEFUL FOR

Researchers, chemical engineers, and professionals in the field of gas processing who are interested in the production and application of liquid CO₂.

Suraj M
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Is it possible to make or produce liquid CO₂?
I faintly recollect reading something about liquid CO₂
if yes then how exactly??
 
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Suraj M said:
Is it possible to make or produce liquid CO₂?
I faintly recollect reading something about liquid CO₂
if yes then how exactly??

It needs to be under hihger pressure. Look for a P-T phase diagram for CO2. e.g. http://www.teamonslaught.fsnet.co.uk/co2 phase diagram.GIF

Above a pressure of 5.11 atm, CO2 will have melting & boiling phase transitions as T is increased.
 
ohh ok thank you :oldsmile:
 

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