Q5. 12000 lb/hr of crude oil (API=34) at 650 °F is fed to an atmospheric distillation column operating with ot reflux. Steam at a rate of 600lb/hr and 580 °F is used. The fractions obtained were as follow: Vol.% M.W Fractions m lb/hr 3400 1200 3000 3400 2 Btu/lb 120 100 90 100 185 270 Temp. °F 310 420 510 510 Gasoline 15 Kerosene 25 Gas Oil 18.2 Residue 42.8 1. Calculate the heat must be removed. 2. Check the top tower temperature if the dew point of gasoline are 296°F, the storage temperature=100°F and the pressure at top plate is 780 mmHg. 3. Calculate the tower diameter if k=735 and p(liq.). Given: Cp,-0.6, Cp =0.7 and Cp, steam=0.5Btu/lb.°F =42.7 lb/ft³.
Q5. 12000 lb/hr of crude oil (API=34) at 650 °F is fed to an atmospheric distillation column operating with ot reflux. Steam at a rate of 600lb/hr and 580 °F is used. The fractions obtained were as follow: Vol.% M.W Fractions m lb/hr 3400 1200 3000 3400 2 Btu/lb 120 100 90 100 185 270 Temp. °F 310 420 510 510 Gasoline 15 Kerosene 25 Gas Oil 18.2 Residue 42.8 1. Calculate the heat must be removed. 2. Check the top tower temperature if the dew point of gasoline are 296°F, the storage temperature=100°F and the pressure at top plate is 780 mmHg. 3. Calculate the tower diameter if k=735 and p(liq.). Given: Cp,-0.6, Cp =0.7 and Cp, steam=0.5Btu/lb.°F =42.7 lb/ft³.
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
Section: Chapter Questions
Problem 1.1P
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Transcribed Image Text:Q5. 12000 lb/hr of crude oil (API=34) at 650 °F is fed to an atmospheric distillation column operating with ot
reflux. Steam at a rate of 600lb/hr and 580 °F is used. The fractions obtained were as follow:
Vol. %
M.W
Fons
Fractions
m
lb/hr
3400
1200
3000
3400
2
Btu/lb
120
100
90
100
185
270
Temp.
°F
310
420
510
510
Gasoline
15
Kerosene
25
Gas Oil
18.2
Residue
42.8
1. Calculate the heat must be removed.
2. Check the top tower temperature if the dew point of gasoline are 296°F, the storage temperature=100°F
and the pressure at top plate is 780 mmHg.
3. Calculate the tower diameter if k=735 and p(liq.).
Given: Cp,-0.6, Cp=0.7 and Cp, steam=0.5Btu/lb.°F
=42.7 lb/ft³.
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