A hydrocarbon system is flashed in a drum at 325 psig and 300 K. Assume that the system obeys Raoult's Law and Antoine's equation is sufficient to model their vapor pressures. Component A Methane 6.6956 Ethane 6.8345 Propane 6.8040 Butane 6.8090 Pentane 6.8763 Antoine's equation is given by: Antoine's Coefficients B 405.4200 663.7000 803.8100 935.8600 1075.7800 C 267.7770 256.4700 246.9900 238.7300 233.2050 B T(°C) + C log psat (mmHg) = A -; Feed Composition 0.1300 0.1700 0.3500 0.2900 0.0600 a) Calculate the bubble P and dew P of the said feed mixture. b) Determine the composition of the vapor and liquid streams and the fraction of feed vaporized. c) If the feed rate is 1000 mol/h, what are the flowrates of the liquid and vapor streams?
A hydrocarbon system is flashed in a drum at 325 psig and 300 K. Assume that the system obeys Raoult's Law and Antoine's equation is sufficient to model their vapor pressures. Component A Methane 6.6956 Ethane 6.8345 Propane 6.8040 Butane 6.8090 Pentane 6.8763 Antoine's equation is given by: Antoine's Coefficients B 405.4200 663.7000 803.8100 935.8600 1075.7800 C 267.7770 256.4700 246.9900 238.7300 233.2050 B T(°C) + C log psat (mmHg) = A -; Feed Composition 0.1300 0.1700 0.3500 0.2900 0.0600 a) Calculate the bubble P and dew P of the said feed mixture. b) Determine the composition of the vapor and liquid streams and the fraction of feed vaporized. c) If the feed rate is 1000 mol/h, what are the flowrates of the liquid and vapor streams?
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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please answer all. show all the solution. thank you... do not use excel..
Transcribed Image Text:A hydrocarbon system is flashed in a drum at 325 psig and 300 K. Assume that the system obeys
Raoult's Law and Antoine's equation is sufficient to model their vapor pressures.
Component
Methane
Ethane
Propane
Butane
Pentane
A
6.6956
6.8345
6.8040
6.8090
6.8763
Antoine's equation is given by:
Antoine's Coefficients
B
405.4200
663.7000
803.8100
935.8600
1075.7800
logpsat (mmHg) = A -
с
267.7770
256.4700
246.9900
238.7300
233.2050
B
T(°C) + C
Feed
Composition
0.1300
0.1700
0.3500
0.2900
0.0600
a) Calculate the bubble P and dew P of the said feed mixture.
b) Determine the composition of the vapor and liquid streams and the fraction of feed vaporized.
c) If the feed rate is 1000 mol/h, what are the flowrates of the liquid and vapor streams?
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Step 1: Determine(a)Bubble and dew point pressure(b)Composition of vapor liquid streams(c)Feed rate of L,V
VIEWStep 2: Calculate vapor pressure of each component.
VIEWStep 3: Calculate bubble point pressure.
VIEWStep 4: Calculate dew point pressure.
VIEWStep 5: Calculate mass transfer coefficients for each component.
VIEWStep 6: Calculate feed composition at vapor and liquid streams.
VIEWStep 7: Calculate vapor and liquid compositions for each component.
VIEWStep 8: Calculate the vapor (V) and the liquid (L) flow rates .
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