21._Mar-5 - 3/5 “Color/coma sir/PS Exam(V 4,7’5 chfivm...

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Unformatted text preview: 3/5 “Color/coma sir/PS] Exam/(V 4,7’5 chfivm +fléyaé + Page Recycle and Paige in the Synthesis of Methane! Methanol is produced in the reaction of carbon dioxide and hydrogen: (:0; “i” 3 H2 —-" ‘T‘ The fresh feed to the process contains hydro on. carbon ' ' c a mole% inerts {I}. The reactor effluent passes to a condenser that removes essentialls all of the methanol an ri water Fnrr'rlreri and none of the reactants or inerts. The latter substances are recycled to the reactor. To avoid buildup of the inerts in the system a purge stream is withdrawn from the recycle. 'WWLLUM the fresh feed to the process) contains 28.!) mole% C01,, / "Hill rnole‘i’h 1-1;. and 21K] molest: incrts. The single-pass Cfll'lvt‘rsinn rsl' hvdrtlfl'fil‘l is fitiil'fl. ('2al— ./ culate the molar flow rates and molar compositions of the fresh feed, the total feed to the reactor, the recycle stream? and the purge stream for a methanol production rate of 155 kmol CHgflth. @ shmmm 7%42 74/ we reader ML H2. .1 C/Zfafl MD of "‘ ’3 O —H + | /__7 PM « -M .M V10; 0.10% H I M513 A 0.03m” C) O .M 0M "M m amn—g ‘Dmflm -3; 0.0mm +3 + 3 ,__ \\ {——~ }’ «fl .. ‘ 9,099,734.. (madam—3;) \ .. _ : hM—_ g "4 ’_\ 2 \n,l 3. \m s 'uokwn‘a/k> ¢< D-qDDAM D‘L Z \ t / @ VOFWJ791 {3V WV {WWYU Lia”) 0M + \ rm - 4 Mi) - | WDVI’WW $9550 , l S‘FeoTL'Zd’fi‘“ Wmm) ///—* kl DDF ' 6400 aWAW/m @Mm (gt/6Q + 0954’“ ———> (LOJ mama ,c WW é)L Cw”) 0 “SW2 5M " 8” 0 A); ( NA :10 Xm‘u A _ S: de-Cdgfia) a r 3.12 lb 0/, w)" 0° 00 NED "' x 100/ (t9 D D; 8&0 1 ‘ o 0; 1-3 510/ HQ. (Ft-D Moo m ew- Mu (,5)l [4.7. H30 = “hawks 771 00 u'/, Mmm—m'. = €3,0m1u M 0‘ "’7 W*§m-q3_oxms- 42.50.40; 1 ’4me a (9.0730 00;: n (9\L¥b= (AD Mia: / CwOMWW) 002 It Mm slasm X (9L:'n ,(DJD,¢7&MJ<% EfO/MN‘JLQ 4.8-1 LPMS) 2) garg—W @701 4,3'3 Combustion of Ethane . . CD . . . C33 Ethane 15 burned w1thwxcess an: The percentage converszon of the ethane lS of the ethane burned, 25% reacts to form CO and the balance reacts to form (30;. Calculate the m’o'Tar composition / a - ’—— Of the St'Od'élrgas On a dry ham and the mole who of water to dry stack gas. .3 'LD‘DMPQE— 61m n—SML : «~19. + 0; R ; A15. 3 a.) /'/ 44w Mr W ...
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