Elementary Principles 239 - 6.96 a. Basis: 100 kg;...

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6- 73 6.96 a. Basis : 100 kg; A=acetone, W=water, M=MIBK System 1: = 0.375 mol A, = 0.550 mol M, x = 0.075 mol W = 0.275 mol A, = 0.050 mol M, = 0.675 mol W a,org m,org w,org a,aq m,aq w,aq xx x Mass balance: Acetone balance kg kg aq,1 mm m m aq org aq org org ,, , :* . * . . . . 11 1 100 0275 0375 3333 417 583 += U V W = = System 2: = 0.100 mol A, = 0.870 mol M, x = 0.030 mol W = 0.055 mol A, = 0.020 mol M, = 0.925 mol W a,org m,org w,org a,aq m,aq w,aq x Mass balance Acetone balance m k g kg aq,2 org,2 : . * . . . m aq org aq org 22 100 0 055 0100 9 22 2 77 8 U V W = = b. K x x K x x a aorg aaq a , , . . .; . . . 1 1 1 2 2 2 0375 0275 136 0055 182 == = = High K a to extract acetone from water into MIBK; low K a to extract acetone from MIBK into water. c. ββ aw aw worg waq , / / ./ . . , . . . 1 0375 0075 0275 0675 12 3 2 0100 0 040 0 055 0 920 418 = If water and MIBK were immiscible, x aw , = ⇒→ 0 β d. Organic phase= extract phase; aqueous phase= raffinate phase aw o r g a q ao r g aa q wo r g wa q a w K K , (/) () /
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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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