1. The attached drawing 01-A-005/1 is a process flow diagram (PFD) for one small section of a much larger butane isomerization plant. PFDs are normally printed on 11"x17" sheets of paper. For this problem we will focus on an energy balance around the feed cooler E-301. a) Assuming that stream 13 is composed entirely of isobutane calculate the flowrate of boiler feed water (stream 24) required to produce the same phase and temperature changes shown on the drawing. (You may want to use Kopp's rule to estimate the liquid phase heat capacity for isobutane) b) How does your answer to part a) compare to what is shown on the drawing when stream 13 is a mixture?
1. The attached drawing 01-A-005/1 is a process flow diagram (PFD) for one small section of a much larger butane isomerization plant. PFDs are normally printed on 11"x17" sheets of paper. For this problem we will focus on an energy balance around the feed cooler E-301. a) Assuming that stream 13 is composed entirely of isobutane calculate the flowrate of boiler feed water (stream 24) required to produce the same phase and temperature changes shown on the drawing. (You may want to use Kopp's rule to estimate the liquid phase heat capacity for isobutane) b) How does your answer to part a) compare to what is shown on the drawing when stream 13 is a mixture?
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:FROM REFLUX PUMP
L-301A/B
BOILER FEED WATER
ISOMERATE
06
01-A-004/1
FROM REACTOR
R-202
LP STEAM
FROM LP STEAM HEADER
STREAM
TOTAL (lb/hr)
n-butane (nC+)
isobutane (iC+)
Cr-C3
Cst
H₂
HCI
C:Ch
H₂O
CO₂
0₂
CO
|
N₂
0
0
0
15
8
13
63000 540000 550000
0
0
0
0
63000
0
0
0
80 °F
80 psia
0
24
315 °F
445 psia
13
12000
190
20
0
200000 200000
320000 320000
5100
4100 4100 132
56
8
5
0
0
14
12000
190
20
0
8
5
0
0
E-301A/B
14
16
8200
2600
190
22
0
9
5
0
0
14
38
2
2
0
1
0
0
17
21
22
23
24
3400 820000 540000 280000 79000
320000 200000 110000
1200
2100
35
0
0
165 "F
440 psia
0
0
480000 320000 160000
7700 4000 3700
15000 12000
0
0
0
0
0
13
0
0
0
0
0
0
0
0
0
237 °F
75 psia
3100
0
0
0
0
0
0
0
0
8
0
0
0
0
0
0
0
79000
0
0
이이
0
0
165 F
440 psia
15
D-301
230 °F
310 psia
23
229 °F
315 psia
21
IN
E-303A/B
308 F
75 psla
16
8
70 psla
24
22
230 °F
310 psia
OVERHEAD GASES
07 01-A-005/2
CONDENSER E-302A/B
LP STEAM
TO LP STEAM HEADER
CONDENSATE OUT
ISOMERATE
08 01-A-006/1
TO DEISOBUTINIZER
D-303
SYMBOLS:
XX XX-X-XXXX/X
STREAM
INPUT/OUTPUT
DRAWING NUMBER
OFF PAGE CONNECTOR
PARTNER NUMBER
TEMPERATURE/PRESSURE
INDICATOR FOR LIQUID STREAM
BY/DATE:
EDA/15-04-16
TEMPERATURE/PRESSURE
INDICATOR FOR GAS STREAM
TEMPERATURE/PRESSURE
INDICATOR FOR TWO PHASE
STREAM
UTILITY STREAM IN/OUT
REFERENCE DRAWINGS:
INPUT/OUTPUT DIAGRAM - 01-A-001/1
BLOCK FLOW DIAGRAM - 01-A-002/2
PROCESS FLOW DIAGRAM
DRAWING TITLE:
GAS STRIPPING UNIT-SEPARATION AREA
DWG#/SHT#
01-A-005/1
REV#
0
Transcribed Image Text:1. The attached drawing 01-A-005/1 is a process flow diagram (PFD) for one small section of a
much larger butane isomerization plant. PFDs are normally printed on 11"x17" sheets of
paper. For this problem we will focus on an energy balance around the feed cooler E-301.
a) Assuming that stream 13 is composed entirely of isobutane calculate the flowrate of
boiler feed water (stream 24) required to produce the same phase and temperature
changes shown on the drawing. (You may want to use Kopp's rule to estimate the liquid
phase heat capacity for isobutane)
b) How does your answer to part a) compare to what is shown on the drawing when stream
13 is a mixture?
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