Cryogenic Recovery of Acetone from Air

Consider a stream composed of a mixture of air and acetone with a molar flow rate of 1000 kmol/hr. The acetone content in this stream is only 5 mole%. It is still possible to recover the acetone from air using a cryogenic process, using very low temperatures in the range to . This separation can also be called partial condensation since only acetone will condense in this temperature range. Thus, the liquid phase that exits the process will be almost pure acetone. A approach temperature is chosen, which allows the determination of the isothermal flash temperature from the user-set value of the coolant temperature. The Demonstration displays the flow rates of the liquid and vapor stream that exits the flash drum as well as their compositions. One can see from the snapshots that the percent recovery of acetone can reach almost 100% (i.e., the liquid flow rate approaches 50 kmol/hr) when the coolant temperature is very low. This process is an alternative to countercurrent absorption of acetone in a column using water as a solvent.


  • [Snapshot]
  • [Snapshot]
  • [Snapshot]


J. M. Douglas, Conceptual Design of Chemical Processes, International ed., New York: McGraw–Hill, 1988.
    • Share:

Embed Interactive Demonstration New!

Just copy and paste this snippet of JavaScript code into your website or blog to put the live Demonstration on your site. More details »

Files require Wolfram CDF Player or Mathematica.

Mathematica »
The #1 tool for creating Demonstrations
and anything technical.
Wolfram|Alpha »
Explore anything with the first
computational knowledge engine.
MathWorld »
The web's most extensive
mathematics resource.
Course Assistant Apps »
An app for every course—
right in the palm of your hand.
Wolfram Blog »
Read our views on math,
science, and technology.
Computable Document Format »
The format that makes Demonstrations
(and any information) easy to share and
interact with.
STEM Initiative »
Programs & resources for
educators, schools & students.
Computerbasedmath.org »
Join the initiative for modernizing
math education.
Step-by-Step Solutions »
Walk through homework problems one step at a time, with hints to help along the way.
Wolfram Problem Generator »
Unlimited random practice problems and answers with built-in step-by-step solutions. Practice online or make a printable study sheet.
Wolfram Language »
Knowledge-based programming for everyone.
Powered by Wolfram Mathematica © 2018 Wolfram Demonstrations Project & Contributors  |  Terms of Use  |  Privacy Policy  |  RSS Give us your feedback
Note: To run this Demonstration you need Mathematica 7+ or the free Mathematica Player 7EX
Download or upgrade to Mathematica Player 7EX
I already have Mathematica Player or Mathematica 7+