Chemical Engineering - Industrial Organic Chemistry

Exercise 0 - Text

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INDUSTRIAL ORGANIC CHEMISTRY – EXERCISE 0 Adiabatic temperature The gas stream coming from the reformer unit is fed to a reactor where the CO is converted to CO 2 and H 2 by means of the water gas shift (WGS) reaction: CO + H 2O ↔ CO 2 + H 2 The gas stream is at 360 °C and 30 bar. The pressure drops across the reactor are negligible and the reactor is adiabatic . By considering that a conversion of CO equal to 70% is achieved, evaluate the temperature and the composition of the stream leaving the reactor . DATA : Specie v/v [%] H0F(298K) [cal/mol] a b x 10 3 c x 10 6 d x 10 9 H2 34.8 0 6.483 2.215 -3.298 1.826 CO 7.5 -26420 7.373 -3.070 6.662 -3.037 CO 2 5.0 -94050 4.728 17.54 -13.38 4.097 CH 4 0.6 -17890 4.598 12.450 2.860 -2.709 H2O 37.9 -57800 7.701 0.4595 2.521 -0.859 N2 14. 2 0 7.44 -3.24 6.4 -2.79 TOT. 100 (cal/mol/K) 23 ,p i i i i ic (T) a b T c T d T = +  +  + 