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Thermodynamics Compressor problem

  1. Mar 13, 2014 #1
    1. The problem statement, all variables and given/known data

    A chlorinator operates at twice the pressure of the Cl2 recovery stream. To recycle the Cl2, it has to be compressed. Whats the minimium energy consumption of the compressor (per mol of Cl2) if it leaves the recovery stream at 100 Degrees. Assume isentropic and Q = 0

    Cp = 36J/Mol.K

    2. Relevant equations

    No idea

    3. The attempt at a solution

    I honestly have no idea where to start. A little kick start or tips would really help.
     
  2. jcsd
  3. Mar 13, 2014 #2

    Maylis

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    Gold Member

    Do you know the equation for the entropy change of an ideal gas? I'm not sure whether or not to treat the Cl2 as such, but if so then you could use that equation to solve for the entering temperature.
     
  4. Mar 13, 2014 #3
    I think you meant the exit temperature. The entering temperature to the compressor, 100C, is the exit temperature from the recovery system.

    Chet
     
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