Elementary Principles 68 - 4.36 (cont'd) Extractor S...

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4- 27 4.36 (cont’d) Extractor S balance : 870 22 . kg S = xm Extractor oil balance : 130 o i l = ym Filter S balance : 075 3 .. kg S = m Filter mass balance : mm m 23 4 kg bg =+ Oil / hexane ratio in filter cake : y y y xy 3 3 2 025 1 . = −− Filter oil balance : 33 44 . kg oil = + Evaporator hexane balance : 1 44 5 −= ym m Mixing pt. Hexane balance : 15 300 + = kg C H 61 4 Evaporator oil balance : m 6 = b. Yield kg oil kg beans fed kg oil / kg beans fed == = m 6 100 118 100 0118 . . Freshhexanefeed kg C H kg beans fed kg C H kg beans fed 4 4 = m 1 100 28 100 028 ./ Recycleratio kg C H recycled kg C H fed kg C H recycled / kg C H fed 4 4 4 4 = m m 5 1 272 28 971 . c. Lower heating cost for the evaporator and lower cooling cost for the condenser. 4.37 100 2 98 lb m lb dirt lb dry shirts m m m 2 lb Whizzo
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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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