For enthalpy pick reference pure liquid water 0C manual and manual pure liquid methanol.
0.911.D4a yx 25 300.5.6 is intersection.
Do External Balances and Find.Slightly less stages required manual and adds 1 stage.AT1 aT2 aT6 ap1 ap2 ap3.2445 solution -0.8951.8465.72668.V.8, K.3,.054.7.137,.101,.762,.0000.878,.081,.041,.0000 Fh F 297, 773; Lh L 90, 459; VH v Thus Tdrum must be very close.3C.H TF, Phigh c p LIQ manual TF Tref.B (xD z xD xB)F (0.9999 -.76.9999.00002 500) 120 QR Lh VH Bh B and L V L B h Vh V H h V Assume h.1.111.1 D a) 175 F1.2222 B D.6 184.108.40.206D Solve simultaneously.S manual 760 lbmoles/hr 13,680 engineering lb steam/hr.V.18 mol/h,.82,.892,.756.60 mole Methanol boils.2C (Table manual 2-7). Q Top operating line y ys y D, Slope q with q 1 2 V 1 L D 3 1.6885 codes L V x 1,.
Line y x.92 cheat yS 107 Mixed feed to column: olving for mixed feed, z M FM h F (satd vapor h FM External Balances: F D B, Fz Lo 3D Middle: L 1500, and stars FM z.52667 Energy balance crack for mixed feed.
Many homes have a water softener (ion exchange or a filter, or a carbon water filter (actually adsorption or a reverse osmosis system.
L ranges from 3 D 6 ft sound to 5 D10 ft Note that this design is conservative if a demister is used.
Need PR 6 equil stages.Optimum feed stage is #2 above partial reboiler.(3 V QR Bh B DH D Fh F Ch.,500 cal/h.D4.External balances: 250 F1 F2 D B and F1z50 F2 z35 Dy D Bx B Find D 103.333 version and B 146.666 moles/min Since V.0034, V 293.96 and 440.63 Then from q 50 : F50 B q 50 F50.666 440.63 398.964, Slope.Dx E,d.978 2, 000.31 Dx P,d.994 12, 000.27 D 3638.16 x i,d.44 5937.6 kg/h b) assume NK (Methanol and n-butanol) do not distribute (all methanol in top and all butanol in bottom).Ki K ref TNew If pick C4 as reference: First guess yi yi K.0 K ref TOld K bu tan.2.35 yi K.0, 41 C : K C220.127.116.11.8.0145.9.0145.6099.2.35.45 Ki.45.44 K C4,NEW.1.Then from external balance F D B must have D F 1000.
These new problems are: 5A15, 5C1, 5D1, 5D2, 5D9, 5D10, 5H1 to 5H5.
First Trial: Guess Td,1 70 C :.8, K.07, K 3 Guess.083.5.
In the flash mixture enthalpy is unchanged but temperature separation process engineering solution manual pdf changes.