Elementary Principles 327 - 8.68 (cont'd) HCHO balance on...

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8- 48 8.68 (cont’d) HCHO balance on absorber n a 6 , CH OH 3 balance on absorber n b 6 Wt. fractions of product solution xxx 123 ,, HCHO balance on distillation column n 7 CH OH 3 balance on distillation column n 8 CH OH 3 balance on recycle mixing point n 1 Energy balance on waste heat boiler m w 1 , E.B. on cooler m w 2 Energy balance on reboiler Q C balance on conversion reactor: n 2 19 9 8 34 28 24 = + = .. . mol HCHO mol CH OH mol CH OH 33 N balance on conversion reactor: 2 376 303 806 . nn =⇒ = mol O 2 , 376 8 06 30 3 . × = mol N feed 2 H balance on conversion reactor: 4 4 2 28244 1992 8344 52 3562 207 bg +− + + + = . . . m o l H O f e d 2 O balance: 65.1 mol O in, 65.5 mol O out. Accept (precision error) N balance on absorber: 2 30 3 30 3 55 = = aa mol N 2 O balance on absorber: 2 083 = = bb mol O 2 H balance on absorber: 2 500 = = cc mol H 2 H O saturation of off - gas: 2 y p P n w w d de = ° == +++ + L N M O Q P * . . 27 26 739 30 3 083 500 5 C mm Hg 760 mm Hg ⇒= ++ =
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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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