A hydrocarbon stream composed of 40 mol% n-butane and 60 mol% n-octane is fed at 100 kmol/h to a flash vessel operating at 5 bar and 145°C. The liquid outlet stream of the flash vessel is then sent to a distillation column with a partial condenser to further separate the components. 90% of the butane in the feed to the column is recovered in the overhead vapor product (distillate), along with small amounts of octane. The bottoms product contains octane which accounts for 75% of the octane in the fresh hydrocarbon feed (to the flash vessel). The condenser and reboiler operating temperatures are 136.7°C and 165.7°C, respectively. Determine the composition and flow rates of the streams leaving the flash vessel. Determine the composition and flow rates of the distillate and bottom product streams. Determine the operating pressures of the condenser and reboiler. Determine the compositions of the liquid outlet stream of the condenser and the vapor outlet stream of the reboiler. 1. 2. 3. 4. Additional information: В In Psat kPa]= A- T[K]+ C Component A B C n-Butane 13.6608 2154.70 -34.361 n-Octane 13.9346 3123.13 -63.515
A hydrocarbon stream composed of 40 mol% n-butane and 60 mol% n-octane is fed at 100 kmol/h to a flash vessel operating at 5 bar and 145°C. The liquid outlet stream of the flash vessel is then sent to a distillation column with a partial condenser to further separate the components. 90% of the butane in the feed to the column is recovered in the overhead vapor product (distillate), along with small amounts of octane. The bottoms product contains octane which accounts for 75% of the octane in the fresh hydrocarbon feed (to the flash vessel). The condenser and reboiler operating temperatures are 136.7°C and 165.7°C, respectively. Determine the composition and flow rates of the streams leaving the flash vessel. Determine the composition and flow rates of the distillate and bottom product streams. Determine the operating pressures of the condenser and reboiler. Determine the compositions of the liquid outlet stream of the condenser and the vapor outlet stream of the reboiler. 1. 2. 3. 4. Additional information: В In Psat kPa]= A- T[K]+ C Component A B C n-Butane 13.6608 2154.70 -34.361 n-Octane 13.9346 3123.13 -63.515
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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![A hydrocarbon stream composed of 40 mol% n-butane and 60 mol% n-octane is fed at 100 kmol/h to a flash vessel operating at 5 bar
and 145°C. The liquid outlet stream of the flash vessel is then sent to a distillation column with a partial condenser to further separate
the components. 90% of the butane in the feed to the column is recovered in the overhead vapor product (distillate), along with small
amounts of octane. The bottoms product contains octane which accounts for 75% of the octane in the fresh hydrocarbon feed (to the
flash vessel). The condenser and reboiler operating temperatures are 136.7°C and 165.7°C,
Determine the composition and flow rates of the streams leaving the flash vessel.
Determine the composition and flow rates of the distillate and bottom product streams.
Determine the operating pressures of the condenser and reboiler.
Determine the compositions of the liquid outlet stream of the condenser and the vapor outlet stream of the reboiler.
respectively.
1.
2.
3.
4.
Additional information:
B
In Peat kPa]= A -
T[K]+ C
Component
A
В
C
n-Butane
13.6608
2154.70
-34.361
n-Octane
13.9346
3123.13
-63.515](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F475376a3-c443-4928-ae0a-6512a44dc298%2Fa1f36da0-3b1f-43a5-a0af-ac5c6c1b54ce%2Ftsksiao_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A hydrocarbon stream composed of 40 mol% n-butane and 60 mol% n-octane is fed at 100 kmol/h to a flash vessel operating at 5 bar
and 145°C. The liquid outlet stream of the flash vessel is then sent to a distillation column with a partial condenser to further separate
the components. 90% of the butane in the feed to the column is recovered in the overhead vapor product (distillate), along with small
amounts of octane. The bottoms product contains octane which accounts for 75% of the octane in the fresh hydrocarbon feed (to the
flash vessel). The condenser and reboiler operating temperatures are 136.7°C and 165.7°C,
Determine the composition and flow rates of the streams leaving the flash vessel.
Determine the composition and flow rates of the distillate and bottom product streams.
Determine the operating pressures of the condenser and reboiler.
Determine the compositions of the liquid outlet stream of the condenser and the vapor outlet stream of the reboiler.
respectively.
1.
2.
3.
4.
Additional information:
B
In Peat kPa]= A -
T[K]+ C
Component
A
В
C
n-Butane
13.6608
2154.70
-34.361
n-Octane
13.9346
3123.13
-63.515
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