F2007_HW7 - u h...— r a “ «mi 5%: C? MC g E C) (“J...

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Unformatted text preview: u h...— r a “ «mi 5%: C? MC g E C) (“J \Ci 5”}. J\_ {77 if) ‘ 1 \. x f q @000 #57, FLASH 407! 8m M Benzene/Toluene 0.2 0.3 0.4 0.6 0.7 0.8 .09 1 O. 0 16:10; 3% GM op we ms+ {aw %\m£> I @6005,“ J WWJ' bang/{Viz i 2 Mx‘bW—Lkm 5M SOLUHOM “1S 1n-¥«€,VS«CCLJY{6M 0'; OF. g 010/13. 6’ 0.35 ‘I 0 5E .- .4 @7 0:. 48/, .; - EJ 5‘“; You want to purify a saturated vapor feed containing 99% benzene and We toluene into a distillate containing 99.99% benzene. The vapor is fed into the bottom of a packed column (Le, no reboiler, feed is at z=|). if your reflux ratio is 1.5 times the minimum. how many transfer units are required? “43%? £3 . V y". g“ on“... v W Th: .r- / 7 55’s ' . “Him? LAWN; E *9 “44’ i «.4 :3 a . i3 t a ‘ s a t i . MW. '4‘: i ‘9‘?“ = l ,m Settlemzemfl {:3 in i if t, “it at " ,I' i \ t x f a : g r f “‘32,: “2 go i : is flan!“ ow?» k- r i x” an a r: i ff 5; '24. 9%} n “ E 32 r,“ / ix 1 I”): t? A M ,3?“th c . E g; were! -_ a . A, “WW” WE} fifths“? a“? if” we“ {SQ-3?"? 7f .1??? .. = g a inin PM <L9§S 42!. // ’3: r We"? 1 ‘i l / i @ .Fi ‘4'" ‘ V f a x 4, mi i a l N: , r ,J r11: 6; "1‘ ‘" 1.1 é i - \j; 9 f? "rte m J ' " j awn“. we ” W- “WM; w ft, go M mi 57 . r“ 52% If} . “9 $15“? 65;? mm . my” ’1- .Lefi‘ "5 e 5 ‘ Emilio. V 55% "r M ‘ “‘"m' w v fluwmmrwww MM”. . “*3. w M £3 “fir”: - ‘ "‘4’ i=6 ” .. walin \ (J? yepmm rrm‘ Hf f)“ . .ufl'allf X {if} “fiat-Ji- u l / «*7 3}" 'M- :3 .fi' N h "m 4' j k Jr: .nvm-WM‘Wfln‘x *3“ (q 7 M {:1 1/ f {:1 r; 3 3:: It ‘1, a? ‘ VJ News” a; {Ci/é? a; g ' ‘ R,.th__m_fim_ m, WWW» : 3;» “W "“H MEL“ i .N jot“. {If/girdqancumfl {Leo’lé l5 a “3% j y w X { flawmmmmm ’ ‘I pa, 5' M.— f , E1 ‘ m x; f f; 9‘s; "\ . « . / fifefabgdma‘erflEéifli Ur?” WJWWMW“ , a . ' i«- Wm WM '2' 1? g l r Mewm - ~ 3' f: ‘0“ / 1 [if a? E, \ njdfimw "Mr-'m—mwn—mr—M‘c” “W [I \h, an} .. '5‘“ "xi/‘1’ " K. i W." . ’5 “ _ (I‘m; fl "7". F I! :- Evfigé' S V 4 ar‘v, 4 it M2 firm» i haw; WI}, gvfmggwrufjf/ keg/jrffiw, flaws ,r \_ ,Mf} // pm - ,, " a»; if 2," Avg:ng ,1 Misfit. v #59“? "58 a w . [E‘Qfl {in "i. You want to separate a saturated liquid feed of 3500 moi/ hr containing 40% benzene into a distiiEate containing 97% benzene and a bottoms with 2% benzene. The reflux ratio should be 1.5 times the minimum; the Backing has an HTU of 0.2 m. How talk a tower is required? i -"" was -‘ i l 3 '5 e! M - ’ ‘- 1 T“ 1”“ «a» in? f: :34.“ am“ {new}? i we“ a .QE ‘5“ Mite-éwg eyeigmeee - s” W3 ~ 9 J a” ‘ flawed “‘3 i ifi‘ 6 W? i f”? e_ a ‘ “x f i‘wl fin is,» i A l. I w K. igfijmumfi u “if; 9., a a 4%? L} I; an iggffiimg. ; in, "" ’ : (’ 1 ,3 i kjii r i ‘ a i i l . i are; g“ __ 3.3? Y a? w E“; “ i “' ‘ ‘ \ ° g, 1'; #5:” Huge «Pg. {were A)me -mv‘m’flfl‘k "WWW. m- Mwmmmm , % (rt—m ,4.- n ’ .4 r :4; -_ ‘1 W J . m 3 m I 3.? (jg) NTU ‘sipw—w-LW'fgwm .1 g; V . a s is!“ do} “if..th / uwfifitflflhmw 1 d “WM M fig 5"” k for} U iv” I: n , are ow} ‘ “riff "'me f“: {(9 flan N’FLK ’s"-T‘=e*”_" 6), i i “5“” ‘ ’“ i‘ w a 1 1f! Kamila, QJEUUK" F \J E J k 53:: i. i («1 HM (was, wig“ a! “42 '4wmflw»..* C‘ ' e" , m I: a; Housion.Cofilegeflgcmfimg @‘Emcii .Com gflmfinm. fm n g» 33 “UHQJL {DEAL 176 <——estimated from bubble/dew pt graph for tank pressure w 100 psia Flash Curve using Ideal Physical Properties, P=1OO psia VIF 178 186 195 206 T (F) Flash Curve using UNIFAC, P=100 psia VIF 254 159 164 169 174 T (F) IDEAL Used tank pressure of psia Pres vs Temp Stream: FEED Pressure psi 100.0 50.0 50.0 75.0 100.0 125.0 150.0 175.0 200.0 225.0 250.0 Temperature F Total Vr’rac Total Vfrac 0.5 Temperature F UN IFAC Used tank pressure of 100 psia psi Pressure Total Vfrac Temperature F ...
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F2007_HW7 - u h...— r a “ «mi 5%: C? MC g E C) (“J...

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