shift reactor unit (Unit 1300) is designed to convert CO to CO2 for future operation. A process flow diagram for a water-gas shift (WGS) reaction system is shown in Figure B.12.1. The stream table and equipment summary are in Table B.12.1 and Table B.12.3, respectively. The objective of the process is to achieve an overall 90% conversion of CO in the process. Based on the PFD, estimate the total module cost and the grassroots cost in year 2016 for the plant. Due to increasing of production, an additional of the similar Unit 1300 has been considered in year 2020. To observe the cost changes until 2020, show a trend plot of grassroots cost between year 2017 and 2020, and calculate the percentage difference in cost for an additional of the Unit 1300 made in 2020 compared to 2016? Remark: Use suitable references for Chemical Engineering Plant Cost Index (CEPCI) in order to estimate the cost.
shift reactor unit (Unit 1300) is designed to convert CO to CO2 for future operation. A process flow diagram for a water-gas shift (WGS) reaction system is shown in Figure B.12.1. The stream table and equipment summary are in Table B.12.1 and Table B.12.3, respectively. The objective of the process is to achieve an overall 90% conversion of CO in the process. Based on the PFD, estimate the total module cost and the grassroots cost in year 2016 for the plant. Due to increasing of production, an additional of the similar Unit 1300 has been considered in year 2020. To observe the cost changes until 2020, show a trend plot of grassroots cost between year 2017 and 2020, and calculate the percentage difference in cost for an additional of the Unit 1300 made in 2020 compared to 2016? Remark: Use suitable references for Chemical Engineering Plant Cost Index (CEPCI) in order to estimate the cost.
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
A shift reactor unit (Unit 1300) is designed to convert CO to CO2 for future operation. A process flow diagram for a water-gas shift (WGS) reaction system is shown in Figure B.12.1. The stream table and equipment summary are in Table B.12.1 and Table B.12.3, respectively. The objective of the process is to achieve an overall 90% conversion of CO in the process. Based on the PFD, estimate the total module cost and the grassroots cost in year 2016 for the plant. Due to increasing of production, an additional of the similar Unit 1300 has been considered in year 2020. To observe the cost changes until 2020, show a trend plot of grassroots cost between year 2017 and 2020, and calculate the percentage difference in cost for an additional of the Unit 1300 made in 2020 compared to 2016?
Remark: Use suitable references for Chemical Engineering Plant Cost Index (CEPCI) in order to estimate the cost.
Transcribed Image Text:Table B.12.1 Stream Table for Unit 1300
Stream Number
Temperature (°C)
Pressure (bar)
Vapor fraction
Mass flow (kg/h)
Mole flow (kmol/h)
Component flowrates
(kmol/h)
CO
CO₂
H₂
H₂O
Heat Exchangers
E-1301
A = 67.2 m²
1
E-1302
2
A = 31.7 m
115
16.7
1.0
2191.2
100.0
31.3
27.7
40.2
0.8
Floating head, carbon steel, shell-
and-tube design
Process stream in tubes.
Q = 1580 MJ/h
Maximum pressure rating of 19
bar
Floating head, carbon steel, shell-
and-tube design
Process stream in tubes
Q = 455 MJ/h
Maximum pressure rating of 19
bar
3
320
15.2
1.0
2191.2
100.0
31.3
27.7
40.2
0.8
E-1303
A = 62.2 m²
4
325
16.2
1.0
1678.3
93.2
0.0
0.0
0.0
93.2
6
319.7
15.2
1.0
3869.5
193.2
31.3
27.7
40.2
94.0
Floating head, carbon steel, shell-
and-tube design
Process stream in shell
Q = 3764 MJ/h
Maximum pressure rating of 19
bar
Stream Number
Temperature (°C)
Pressure (bar)
Vapor fraction
Mass flow (kg/h)
Mole flow (kmol/h)
Table B.12.3 Major Equipment Summary for Unit
1300
Component flowrates
(kmol/h)
CO
00₂
H₂
H₂O
Reactors
R-1301
Carbon steel, chromia-promoted
iron oxide catalyst
Catalyst bed height = 2.8 m
Diameter = 0.75 m
Maximum pressure rating of 19
bar
Maximum allowable catalyst
temperature = 477°C
Vessel
V-1301
Vertical
Carbon steel
Length = 1.83 m
Diameter = 0.61 m
Maximum pressure rating of 19
bar
Fired Heater
H-1301
Vertical
Required heat load = 696 MJ/h
Design (maximum) heat load =
800 MJ/h
75% thermal efficiency
Maximum pressure rating of 19
bar
7
425.1
14.7
1.0
11.6
47-4
8
59.9
74-3
250.1
3869.5
193.2 193.2
13.8
1.0
3869.5
3.1
55-9
9
50
12.7
1.0
2705.0
128.6
3.1
55-9
68.4 68.4
65.8 1.2
R-1302
Carbon steel, copper-zinc oxide
catalyst
Catalyst bed height = 1.9 m
Diameter 0.75 m
Maximum pressure rating of 19
bar
Maximum allowable catalyst
temperature = 288°C
10
50
11.7
0.0
1164.5
64.6
0.0
0.0
0.0
64.6
Transcribed Image Text:Steam
Syngas
H-1301
Syngas
Heater
T(°C)
P (bar)
R-1301
First-Stage
WGS
Reactor
poc
H-1301
air ng
E-1301
Interstage
Cooler
203
14.2
3
R-1301
R-1302
6
R-1302
Second-Stage
WGS
Reactor
E-1301
E-1303
E-1302
8
E-1302
E-1303
Low-Pressure Reactor
Effluent
Cooler
Steam
Generator
50
12.8
185
13.2
V-1301
Shifted
Syngas
Separator
9
V-1301
Figure B.12.1 Unit 1300: Shift Reactor Process Flow
Diagram
Shifted
Syngas
Condensate to
Wastewater
Treatment Unit
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