Exam No.2 - Exam No. 2 ChE 317 Spring 2010 RB. Eldridge...

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Unformatted text preview: Exam No. 2 ChE 317 Spring 2010 RB. Eldridge Problem No. 1 120 pts) A reactor/ separator system operates as shown: R—100%A P FF A- 20 mols/ hr A- 100 mols /hr B — 120 mols /hr B—40 mols /hr Separator Reaction: A—> B Single pass conversion =- 70 percent. Determine: A ) Overall conversion B) R, mols /hr Problem N0. 2 120 pts) A drier removes 3600 lb/hr of water from a feedstock to yield a product containing 6 % moisture. The feedstock is 20 % solids / 80 % water. What is the feed rate in lb /hr? Problem No. 3 130 ptsl A fuel analyzing 30 mol% C3H3, 50 mol % CH“), and 20 mol % N2 is burned with 20 percent excess air. For 100 mols of fuel, and complete combustion, determine the total moles of gas discharged in the stack and the moles of Oz in the stack gas. Problem No. 4 g 3 0 pts) A process to remove a contaminant and most of the water from a feed stream operates as shown below: Determine: The feed rate to the process (Stream F) in lbs/hr. Stream CR 65 wt% water 10 wt % solids Stream V — 14,122 lb/hr 25 wt % contaminant 100 wt % water Stream WW — 20,000 lb/hr 100 wt% water Stream F Stream DF 50 wt% water Stream B 30 wt % solids 18.33 wt% solids o . 20 wt A contaminant 81.67 wt % water Stream P — 3878 lb/hr 2 wt % water 98 wt % solids Stream FT 90 wt % water 10 wt % solids A I ‘ 1‘. L ‘C:E%i€ , J: i“\ a 7%" i A I ,A , 5 l V w *3 Fa l‘\. as; ‘ f ~,.« 9.1g ha‘ \i :: ‘lthgrgtiy'; 325‘ y I\ ‘ D. ‘v/g‘a I \ 1' I 1 5;“ r. . M .. ,, 7 .‘ _; ‘7x’1 1 }1\ 521%: , ' " ' ,, , , ,, f“ ’ (0/7?) f: "3’ 5’600 fg/[ZJWM’V OLE“ Mali, “72;? , #W,h W” A m H “wwwmmuwww “HmM,HW . Wmfimw_mumW, Wm .H , M:; i: _ :70“: VMQ ‘ fl {jig}; Zon¢&/W 2% mmoaw Z V 3n, JOHQW ._ Mmflfi” #:i; 7‘ m,.__o, WC,” WW” 1 ., w 92—(,,‘/7f/ .— .—— ——\> 5’ pa Cmfunc/ 70 7’4 , ~ fa; £4. 70 fa RIM {70 ~— 5— :2 6y J1; + "KWAA A. 50 _/f M 4,7 5/ n / EKCQVW 2 fly L a / ,v N I m, W a 1r . V , _ w W 0 H@ 0 , ml C fl 0 Jilin»!!! c Ali? Iniiilufluewiiuflhnul «it: ii‘nmnlxu‘yfi Ln: r v «$51.5:er L 5 Fir}: 15;: u 6 «15‘ {11133: I , w W N ,_ M w w GM? . . . m M V . _ _ , . V p ., _ . 7/ J: 9'2; , k, fléauégfgbw .7142; a; A“ ,. ..,/\7;1A,i :Z ., a, L! a», W,“ Vw E #5 V ,‘ifi‘f 220 f 37277593216 _ if [ , _I7‘1,, . 4a: a l2_i _ _— Wmmmwfl “ U. , .E W M a. w W h A m , mm m fl M . o W n w _ w m W m w an W , n W m a 7“ h m H , W _ . H M W , # m W ,w ,_ ,,. W. “H w .H N ,V i H “W \J, A a M, m fl N w m “w W W J 59}! L2 éfniiriklrii :Filllfili illtizll irl ,W _ a W M . , k ,_ _ w w» M, uh .u‘v W w y w ‘. L ;E;EE€£FO-f {23; LEE}: 4 I R:E:::z..mEQ—;;m L “2 «. NI,“ 5. _. 7 04%;; I3”: TIT»; ‘v. r‘\ . Frail/En /Gw£fi-g "" .Fqlancc g/fi‘r O" ch/ v ‘ ale [Frlrna7r/ § ,, 43,4 F _ 1- . ., Laiféfi), ,, N :— ,, /‘/W/,.z,2,,-72:1:25:31?” tifo‘é'oywur * I "may , muff: m???)4‘flé4gisirrééz?) " / ,7 = 27,200 jg” A; L1 “ __.__ __ f4/4ncc army werg-fl _ w u gig/m; + W -. ” m *‘ + " ‘ fi fi, ‘ ‘* g ‘+ 41W = a; m; 4% iii: V g A H “m “m IZégQgeeme Q23 F. .. . ,= ; .. L 1;" a Me): = f _, ~p ~Ak‘ ‘. “my... .;m..u4..;y m ...
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Exam No.2 - Exam No. 2 ChE 317 Spring 2010 RB. Eldridge...

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