Elementary Principles 100 - 4.67 (cont'd) Air feed rate: n...

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
4- 59 4.67 (cont’d) Air feed rate: n f == 207.0 kmol O 1 kmol air 1.17 kmol air fed h 0.21 kmol O kmol air req. kmol air h 2 2 1153 b. nnx x x x P af x s =+ + + + 2 35 5 65 1 100 1 0 21 12 34 .. . bg b g b g c. ± ,( ± .) ± . ± ± ) ± . na Rn R n R nb R n R ff f f f f aa a a a a = = = = kmol / h, kmol / h, 750 60 125 550 25 22 0 xk A xkA k A x A A i ii i i i i i i =⇒ = = = ⇒= ∑∑ , = CH C H C H C H i i 42 43 84 1 0 1 1 ,,, d. Either of the flowmeters could be in error, the fuel gas analyzer could be in error, the flowmeter calibration formulas might not be linear, or the stack gas analysis could be incorrect. 4.68 a. C 4 H 10 + 13/2 O 2 4 CO 2 + 5 H 2 O Basis : 100 mol C 4 H 10 n CO2 (mol CO 2 ) n H2O (mol H 2 O) n C4H10 (mol C 4 H 10 ) P xs (% excess air) n O2 (mol O
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.
Ask a homework question - tutors are online