D e f Phase diagram for P-Q mixtures at 1 atm908060500.10.20.30.40.50.60.70.80.91Хр, Урa. What is the composition of stream 3?b. What is the flow rate of stream 4?c. What is the composition of stream 1?d. Given this arrangement of flash drums as well as the ability to change the temperature of each drum,what is the maximum mol % P in stream 2? At what temperature should we operate flash drum 1?e. If stream 2 is maximum mol % P what is the minimum mol % P that can be achieved in stream 5? Atwhat temperature should we operate flash drum 2?f. If stream 2 is minimum mol % P what is the minimum and maximum mol % P that can be achievedin stream 5?temperature (C) 2. A mixture of P and Q is treated in the process shown below. The phase diagram for P-Q mixture is alsoshown.vapor: 90. mol %P60. mol/minP-Q mixtureflashdrumheatercooler <4vapor1 atm52°Cliquid3heaterflashdrumliquid: 14. mol% P40. mo/min

F1=F2+F5but F2=60 molminF3= 40 molminF1=100 molminFrom flow diagram yp=0.9…

Answered: a. What is the composition of stream 3?…

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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D e f

Phase diagram for P-Q mixtures at 1 atm
90
80
60
50
0.1
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1
Хр, Ур
a. What is the composition of stream 3?
b. What is the flow rate of stream 4?
c. What is the composition of stream 1?
d. Given this arrangement of flash drums as well as the ability to change the temperature of each drum,
what is the maximum mol % P in stream 2? At what temperature should we operate flash drum 1?
e. If stream 2 is maximum mol % P what is the minimum mol % P that can be achieved in stream 5? At
what temperature should we operate flash drum 2?
f. If stream 2 is minimum mol % P what is the minimum and maximum mol % P that can be achieved
in stream 5?
temperature (C)

2. A mixture of P and Q is treated in the process shown below. The phase diagram for P-Q mixture is also
shown.
vapor: 90. mol %P
60. mol/min
P-Q mixture
flash
drum
heater
cooler <
4
vapor
1 atm
52°C
liquid
3
heater
flash
drum
liquid: 14. mol% P
40. mo/min

Expert Solution

Material Balance of overall system

$F 1 = F 2 + F 5 b u t F 2 = 60 \frac{m o l}{m i n} F 3 = 40 \frac{m o l}{m i n} F 1 = 100 \frac{m o l}{m i n} F r o m f l o w d i a g r a m y_{p} = 0.9 t h u s y_{q} = 0.1$

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