Elementary Principles 227 - 6.81(cont'd) O balance (not...

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6- 61 6.81(cont'd) O balance (not counting O in the air): n 1 0 700 932 100 0 07 48 106 100 0 93 16 18 (. ) ( ) (. ) ( ) ( ) ++ =+ + + + () ( ) ( ) ( . ) ( ). ( ) nnm m m wc 22 34 4 16 32 0 024 48 84 0976 16 18 ⇒+ = + + + + 22 4 8584 16 32 05714 0 024 08676 5 12 2 3 4 4 .. . ( . ) . ( ) nn n m m m Raoult's Law : yP p C n nnn n n ww o w wca c a =⇒ = ⇒= * .( ) ( ) 70 01025 6 2 222 2 2 233.7 mm Hg (3*760) mm Hg Solve (1)-(6) simultaneously with E-Z solve (need a good set of starting values to converge). n nm m 1 08086 == = = . kmol, 0.2426 kmol air, 0.500 kmol CO , 0.0848 kmol H O(v), 8.874 kg NaHCO (s), 92.50 kg solution 2a 2c 2 2w 2 3 3 4 NaHCO 3 balance on filter : mmm m m m 345 6 92 50 8.874 0 024 0 024 086 014 0 024 4 3 += + + = = . . [. ) ] ) . 11.09 0.024m 0.8634m (7 56 Mass Balance on filter : 8874 92 50 1014 8 . ( ) + = = + mm Solve (7) & (8) = = m m 5 6 3 91.09 kg filtrate 10.31kg filter cake (0.86)(10.31) 8.867 kg NaHCO (s) Scale factor
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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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