A simple atmospheric distillation tower as shown in the Figure below have a capacity of 1200 bbl/day. Steam vapor with flow rate of 567 Ib/hr at Temp. 535 F and (Cp=0.5) is supported blow the flash zone. Given the information in the Table below Steam + Gasoline 286 Gasoline Naphtha Kerosene Gas Oil Reduced Crude Loss Crude Oil Mol. Cp heat wt 120 110 113 155 185 240 Ib/hr 3415 0.56 754 0.55 2765 1530 5610 96 14170 Latent 0.57 100 0.59 90 0.72 Crude oil 600 F Steam 535 F Temp. 576 F Reflux Naphta 335 F Kerosene 420 F Gas oil 510 F Reduced crude 510 F 1. Make a heat balance to determine the amount of heat that must be removed to keep the tower in thermal balance? 2. How many pounds of reflux are required if cold reflux at 80 F is used? 3. Calculate the correct temperature at the top of the tower using Claussius - Clapeyron eq. if the total pressure at top of the tower = 780 mmHg and the dew point of 100% Gasoline at 760 mmHg on the EFV curve is 296 -F.?
A simple atmospheric distillation tower as shown in the Figure below have a capacity of 1200 bbl/day. Steam vapor with flow rate of 567 Ib/hr at Temp. 535 F and (Cp=0.5) is supported blow the flash zone. Given the information in the Table below Steam + Gasoline 286 Gasoline Naphtha Kerosene Gas Oil Reduced Crude Loss Crude Oil Mol. Cp heat wt 120 110 113 155 185 240 Ib/hr 3415 0.56 754 0.55 2765 1530 5610 96 14170 Latent 0.57 100 0.59 90 0.72 Crude oil 600 F Steam 535 F Temp. 576 F Reflux Naphta 335 F Kerosene 420 F Gas oil 510 F Reduced crude 510 F 1. Make a heat balance to determine the amount of heat that must be removed to keep the tower in thermal balance? 2. How many pounds of reflux are required if cold reflux at 80 F is used? 3. Calculate the correct temperature at the top of the tower using Claussius - Clapeyron eq. if the total pressure at top of the tower = 780 mmHg and the dew point of 100% Gasoline at 760 mmHg on the EFV curve is 296 -F.?
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
Related questions
Question
Transcribed Image Text:A simple atmospheric distillation tower as shown in the Figure below have a capacity of 1200
bbl/day. Steam vapor with flow rate of 567 Ib/hr at Temp. 535 F and (Cp=0.5) is supported
blow the flash zone. Given the information in the Table below
Steam + Gasoline 286
Latent Mol.
Cp
Ib/hr
heat
wt
Reflux
Gasoline
3415
0.56
120
110
Naphtha
754
0.55
113
155
Naphta 335 F
Kerosene
2765
0.57
100
185
Kerosene 420 F
Gas Oil
1530
0.59
90
240
Temp.
Reduced
Crude oil 600 F
Gas oil 510 F
5610
0.72
576 F
Crude
Steam 535 F
Loss
96
Crude Oil
14170
Reduced crude 510 F
1. Make a heat balance to determine the amount of heat that must be removed to keep the tower
in thermal balance?
2. How many pounds of reflux are required if cold reflux at 80 F is used?
3. Calculate the correct temperature at the top of the tower using Claussius - Clapeyron eq. if
the total pressure at top of the tower 780 mmHg and the dew point of 100% Gasoline at
760 mmHg on the EFV curve is 296 F.?
Petroleum refining
Expert Solution
This question has been solved!
Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.
Step by step
Solved in 4 steps with 29 images
Recommended textbooks for you
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Introduction to Chemical Engineering Thermodynami…
Chemical Engineering
ISBN:
9781259696527
Author:
J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:
McGraw-Hill Education
Elementary Principles of Chemical Processes, Bind…
Chemical Engineering
ISBN:
9781118431221
Author:
Richard M. Felder, Ronald W. Rousseau, Lisa G. Bullard
Publisher:
WILEY
Elements of Chemical Reaction Engineering (5th Ed…
Chemical Engineering
ISBN:
9780133887518
Author:
H. Scott Fogler
Publisher:
Prentice Hall
Industrial Plastics: Theory and Applications
Chemical Engineering
ISBN:
9781285061238
Author:
Lokensgard, Erik
Publisher:
Delmar Cengage Learning
Unit Operations of Chemical Engineering
Chemical Engineering
ISBN:
9780072848236
Author:
Warren McCabe, Julian C. Smith, Peter Harriott
Publisher:
McGraw-Hill Companies, The