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HW11Solutions2009

# HW11Solutions2009 - ChE 1503 Problem Set 11 Due Problem...

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Unformatted text preview: ChE 1503 , Problem Set 11 Due November 13, 2009 Problem 1. (20 Points) Using the data below, construct the following graphs: "i”Z (a) An equilateral ternary diagram of acetone as the solute, water as the carrier, and 1,1,2—trichloroethane as the solvent. Be sure to include the tie lines on the graph. “l??— (b) Compute the selectivity of the solute (pure acetone) for solvent (pure 1,1,2- trichloroethane) at each tie line. Then, plot selectivity versus the concentration of 1,1,2utrichloroethane in the carrier (pure water). Acetone-Waterul,1,24Trichloroethane Compositions 011 Phase Boundia Extract, wt% RaﬁEnate, wt% ' TrichEoroethane 10 55 50 40 30 20 ‘10 "Hugo-x] 0.5 Tie—line Data: _ Extract, wt% Raffinate, wt% - Acetone Acetone Problem 2. (25 Points) One thousand kilograms per hour of a 45 wt% acetone-in-water solution is to be extracted at 25°C in a continuous countercurrent system With pure 1,1,2- trichloroethane to obtain a rafﬁnate containing 10 wt% acetone. Using equilateral ternary diagram from Problem 1, determine the following. "1 i (a) the minimum ﬂow rate of solvent, v'r‘Z (b) the number of stages required for a solvent rate equal to 1.5 times the minimum ”Odc) the flow rate and composition of both the rafﬁnate leaving the last stage and extract leaving the ﬁrst stage, and iii/0.55m) the flow rate and composition of the rafﬁnate leaving. thehsecond stage. . / lif'Zy Problem 3. (20 Points) {/For the conditions of Problem 2? find the number of stages required for the segaration using a MQCabe-Thiele diagramlPlot the operating line for the extractor on the McCabe-Thiele diagram for the condition of minimum solvent-to— , feed ratio?) 4:2” [Hintt Read section 8.4 of Seder and Henley to see how the McCabe—Thiele diagram is related to the equilateral triangle diagraml ' ku.........ulf.. .33.. a: g; . k ..x.~.:....¥ ... . ri, a... a]: .4 3,355: ‘55 g H . f1” .5. .f {aw ., ‘ , m“; .3? gar ﬁrms We aﬁeﬁn -" - .- f 3.. ' 1' 5? ﬂ hf)? NI ﬁ-‘iﬁqzi / fig WK m7; ‘éhﬁm . 49.; '5*§£Ab€.—. mC-ﬁiﬁéiﬁ. . _ . 'I "9‘" Wm ' 2:; m ﬁiimgg if )6; Ni. 97:2 75:; ﬁmﬁgﬁ C. . (mné’EQX; m'ﬂtﬁf- iﬂ as IS &. ' . 6 7 Sal-van?) TCE m. Em: (.33) . EX Tire-"act? r ﬁafﬂmgﬂ Tfi.lé§i_. -./w::.. (a) Exf'mt- '7 £77 777 714%. 1:17: Eff-Lg: 73.) IEs-m’gg:§g Emfﬁm’ﬁi { s-ei‘ectivi se'ieciiﬁtyvaxs "1 2313" 120 :19!.) :86 - so 40. .23 . .G .I . «LE 2_ céﬁ¢-,.of’TCE' i . . ____:21,.~-_ . . . . ,. , 2:1,“ {11:5 Q}; 3;... 11153511111113. 31.... ”2.03 \$8.11“) Pi.- \$1 . _ 1. «3. 1 v; -- _ C _. . {.3 -. 1&3} Emigkﬁ Vi. 33311? \$53.11.: {3311 1.- ‘Eﬁ; mrﬁﬁ; 1.1 ,1; i’ﬁgiﬁ‘ﬂi ‘ 12..) (C R21} .' 3 : .1. .. .. . . . M. < . i: Kai”?! in? .- §.M D gratin? fig—11 .. = ._ 5. f- Exlﬁt‘idr 13111. if. L “:16; 5;";qu 73.3. 1? I V “4W f '1 T . . {3’1 Li}! S'éiia. iﬁg'ﬁ'gé 5.3m . Viﬂiiam {ngeyig.€.ﬁfi§ﬂﬁ 1:111; 1 M5 1;; 3‘5 A: g £ WW 1—!- . fa. . «my 4": I :2 1‘- g... -’ % § . ‘ . I g E gfiiﬂi ‘37 fig; 5 if}? i Jag-'1“ :1 £11.35; 3 {.2 Q1," 33"; si'ﬁ'iv is“; f: 31.... ﬂ I «u I 5. .. V“ [M ‘1 11:11:11 1 120:1 Egg/15-! @ ’10 C2056. 7% pom—t (Caz-1. (312.1111...) {ECLMCQ J 5925. Q 1.1311311111111113 .. g" 'r‘ f: it: E13111 111113.13: 51:»? 11 1 "2’ 11.: 3:; \$33 I?" if. 5.. 11' v V . _ gem E Am 33%. waﬁkégs §\$ \ Em E? wﬁx ﬂu, £3“: wuﬁﬁﬁﬁ. 9%. W E \W...1W,, a?“ W1 g 3% ﬁﬁsﬁmﬁ 7.25 Q g: Egg a )1, 4 . .M I N . U . ,4 E “262“.” 2W aﬁé q. 30; . . . . .. .v ﬂaw? . _ _, ,\ﬁ x. ..\. w WV muffs”. a ﬁawgu E . ,ﬁ (Lg mimy ?zzia- : g, é: gggﬁ ‘ f 5%: we . " j 7- mm: '11:: V'éiiﬁsml has; 1”) 5F T A5,: ‘3’- M M; :3- 9(3- “5 f‘ﬁQQ :: [I Cm - In 4'3. ;/3:030 (Kid/a; car (jg-C)»; NBC): mg 'fl' b3 . w . \$1: __._ . k (ii-1%) W me. Juan a .u...\$.1.~uu,§ . 1/. x . 5% 'fbgﬁm . if JEEZViQY-a h . . if .1}; - [Dd-2“» \$33.. I 3 Biﬂgﬂggwéﬁﬁ £31114 I1; iﬁftmi‘f’ﬁ ._';(;t&'§y{; {\$3.5ng 0'31 mt; ;!;;I’L€,_ é \$35!“? -}’l41=ﬂ_’_-‘3F’¥’1 is? ﬂigﬁiS ma --_"1 mm— ma . __0 44 ‘ - 1 03? Agxigiary McCabez-Th'iele diagram. 9¥€%\M,M‘“ V‘QJ‘LL “315;: '9}? , 'M'aqmimimaiﬁg mqeféreﬁée' _“ __ _ m— , _ um ﬁfeférénée a—-equ —_'{)p : fﬁ“ ...
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