Elementary Principles 426 - 9.60 a Basis 450 kmol CH 4 fed...

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9- 74 9.60 a. Basis: 450 kmol CH fed h 4 CH 2O CO 2H O 42 22 + + kmol air / h)@25 C .21 kmol O kmol Stack gas@ C .79 kmol N kmol (kmol CO h) (kmol H O h) 450 kmol CH / h @ 25 C kJ / h) (kmol O h) (kmol N h) [kg H O(l) / h] [kg H O(v) / h] 25 C 17 bar, 250 C a o 2 oo 2 o 21 2 o 3 4 n n n Qn n mm ww ( / / ± / ± / ± ( ± / ± / ±± 03 0 0 0 Air fed 450 kmol CH 2 kmol O req'd 1.2 kmol O fed 1 kmol air h 1 kmol CH 1 kmol O req'd 0.21 kmol O kmol air h 2 2 : ± n a = = 5143 450 450 900 12 kmol / h CH react kmol CO h kmol H O h 2 = = ± , ± nn N balance mol h kmol N h 2 2 : ± .. n 4 6 0 79 5143 10 4060 = bg ej Molecular O balance mol O fed h 450 kmol CH react 2 mol O h 1 mol CH kmol O h 2 2 4 2 : ± . n 3 0 21 5143 180 =− = b g 450 kmol CO h 900 kmol H O h 4060 kmol N h 180 kmol O h kmol / h 2 2 2 2 CO HO N O 2 2 2 2 U V | | | W | | | = = = = y y y y 0 0805 0161
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This note was uploaded on 02/27/2012 for the course CHEMICAL E 312 taught by Professor Cheung during the Fall '11 term at The University of Akron.

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