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Jets of liquid carbon dioxide. Liquid carbon dioxide is the liquid state of carbon dioxide (CO 2), which cannot occur under atmospheric pressure.It can only exist at a pressure above 5.1 atm (5.2 bar; 75 psi), under 31.1 °C (88.0 °F) (temperature of critical point) and above −56.6 °C (−69.9 °F) (temperature of triple point). [1]
Liquid carbon dioxide (CO 2), stored in compressed cylinders, is used in conjunction with theatrical fog machines to produce "low-lying" fog effects. When liquid CO 2 is used to chill theatrical fog, the result is a thick fog that stays within a few feet of the ground. As the fog warms, or is agitated, it rises and dissipates.
Liquid Light is a New Jersey–based company that develops and licenses electrochemical process technology to make chemicals from carbon dioxide (CO 2). [1] [2] The company has more than 100 patents and patent applications for the technology that can produce multiple chemicals such as ethylene glycol, propylene, isopropanol, methyl-methacrylate and acetic acid.
Viscosity [5] of liquid at equilibrium pressure 0.0925 mPa·s at 5 °C 0.0852 mPa·s at 10 °C 0.0712 mPa·s at 20 °C ... log of Carbon Dioxide vapor pressure.
Exceptionally carbon dioxide can be produced as a cold solid known as dry ice, which sublimes as it warms in ambient conditions, the properties of carbon dioxide are such that it cannot be liquid at a pressure below its triple point of 5.1 bar. [30] Acetylene is also supplied differently.
Liquid carbon dioxide is a good solvent for many lipophilic organic compounds and is used to decaffeinate coffee. [135] Carbon dioxide has attracted attention in the pharmaceutical and other chemical processing industries as a less toxic alternative to more traditional solvents such as organochlorides. It is also used by some dry cleaners for ...