Q3): 10000 BBD crude oil ((as given in case study of Lecture3)) at 600°F is fed to an atmospheric distillation unit. Steam at a rate of 600 Ib/hr and 576°F is used, (gasoline, naphtha, kerosene, light gasoil, heavy gasoil) are withdrawn from the tower. Assume Cp= 0.7, Crv= 0.6 Btu/Ib.°F (for all fractions) and the vaporizion temperature=576°F a) Check the top tower temperature if the dew point of gasoline is 296 ° F and the pressure at the top plate is 780 mm Hg. b) Check the Heavy gas oil plate temperature if the dew point of gas oil is 530 °F the pressure at the withdrawn plate is 990 mm Hg. ¢) Calculate the diameter of the tower if K=735 and p,= 42.7 Ib/ft’. Fraction A MW Temperature ° F Gasoline 120 110 286 naphtha 113 155 335 Kerosene 100 185 420 Light Gas oil | 95 220 490 Heavy Gas oil | 90 240 510 R.C - - 510 Steam 18 - 567 C.0. - - 650 Q3):10000 BBD crude oil ((as given in case study of Lecture3)) at 600°F is fed to an atmosphericdistillation unit. Steam at a rate of 600 lb/hr and 576°F is used, (gasoline, naphtha, kerosene, lightgasoil, heavy gasoil) are withdrawn from the tower.Assume CP= 0.7, Cry= 0.6 Btu/lb.'F (for all fractions) and the vaporizion temperature-576°Fa) Check the top tower temperature if the dew point of gasoline is 296 ° F and the pressureat the top plate is 780 mm Hg.b) Check the Heavy gas oil plate temperature if the dew point of gas oil is 530 °F thepressure at the withdrawn plate is 990 mm Hg.c) Calculate the diameter of the tower if K=735 andPL-42.7 lb/ft.FractionMWTemperature FGasoline120110286naphtha113155335Kerosene100185420Light Gas oilHeavy Gas oilR.C9522049090240510510Steam18567С.О.650

here, gasoline = 31 moles, hot reflux = 141 moles, steam = 31.5 total moles = 31 +141 + 31.5 = 203.5…

Answered: Q3): 10000 BBD crude oil ((as given in…

Introduction to Chemical Engineering Thermodynamics

8th Edition

ISBN:9781259696527

Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart

Chapter1: Introduction

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Q3): 10000 BBD crude oil ((as given in case study of Lecture3)) at 600°F is fed to an atmospheric distillation unit. Steam at a rate of 600 Ib/hr and 576°F is used, (gasoline, naphtha, kerosene, light gasoil, heavy gasoil) are withdrawn from the tower. Assume Cp= 0.7, Crv= 0.6 Btu/Ib.°F (for all fractions) and the vaporizion temperature=576°F a) Check the top tower temperature if the dew point of gasoline is 296 ° F and the pressure at the top plate is 780 mm Hg. b) Check the Heavy gas oil plate temperature if the dew point of gas oil is 530 °F the pressure at the withdrawn plate is 990 mm Hg. ¢) Calculate the diameter of the tower if K=735 and p,= 42.7 Ib/ft’. Fraction A MW Temperature ° F Gasoline 120 110 286 naphtha 113 155 335 Kerosene 100 185 420 Light Gas oil | 95 220 490 Heavy Gas oil | 90 240 510 R.C - - 510 Steam 18 - 567 C.0. - - 650

Q3):
10000 BBD crude oil ((as given in case study of Lecture3)) at 600°F is fed to an atmospheric
distillation unit. Steam at a rate of 600 lb/hr and 576°F is used, (gasoline, naphtha, kerosene, light
gasoil, heavy gasoil) are withdrawn from the tower.
Assume CP= 0.7, Cry= 0.6 Btu/lb.'F (for all fractions) and the vaporizion temperature-576°F
a) Check the top tower temperature if the dew point of gasoline is 296 ° F and the pressure
at the top plate is 780 mm Hg.
b) Check the Heavy gas oil plate temperature if the dew point of gas oil is 530 °F the
pressure at the withdrawn plate is 990 mm Hg.
c) Calculate the diameter of the tower if K=735 and
PL-
42.7 lb/ft.
Fraction
MW
Temperature F
Gasoline
120
110
286
naphtha
113
155
335
Kerosene
100
185
420
Light Gas oil
Heavy Gas oil
R.C
95
220
490
90
240
510
510
Steam
18
567
С.О.
650

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