OUTLINE OF CHAPTER 10

OUTLINE OF CHAPTER 10 - VLE for NON-IDEAL MIXTURES Low P....

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OUTLINE OF CHAPTER 10 VAPOR LIQUID EQUILIBRIA Starting Point (where is this coming from?) Equation of state method (both fluids are represented by and EOS) (What assumptions are made here?) How do we calculate the fugacity coefficient? Activity coefficient method for liquid-EOS for vapor
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VLE for IDEAL MIXTURES Start using Lewis and Randall At low pressure Activity coefficient =1, gives Raoult Law Example- Hexane-Thriethylamine system
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Unformatted text preview: VLE for NON-IDEAL MIXTURES Low P. When Then some activity coefficient is >1 and viceversa. These are Positive and negative deviations from Raoults law To locate the extremum we set Recall (what equations is this?) Now, it can be proven that 0 (Exercise 9.18) Substituting, we get: which leads to and together with x1+x2=1 and y1+y2=1, we get AZEOTROPE!!!! And Ignore the rest of the chapter...
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OUTLINE OF CHAPTER 10 - VLE for NON-IDEAL MIXTURES Low P....

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