Answer the following question for a Linde liquefaction process with a nitrogen stream. a. The inlet conditions of a compressor, operating adiabatically and reversibly in a Linde liquefaction process, are 180K and 2.0 MPa. The outlet stream is compressed to a pressure of 8 MPa. What is the outlet temperature of the compressor? b. The outlet stream from the compressor in part a is cooled isobarically and then sent to a flash tank operating at 0.1 MPa. Approximately what temperature must the outlet stream (inlet to the flash tank) be cooled to liquefied 30 % of the flash tank feed stream? You may assume that the flash tank operates adiabatically.
Answer the following question for a Linde liquefaction process with a nitrogen stream. a. The inlet conditions of a compressor, operating adiabatically and reversibly in a Linde liquefaction process, are 180K and 2.0 MPa. The outlet stream is compressed to a pressure of 8 MPa. What is the outlet temperature of the compressor? b. The outlet stream from the compressor in part a is cooled isobarically and then sent to a flash tank operating at 0.1 MPa. Approximately what temperature must the outlet stream (inlet to the flash tank) be cooled to liquefied 30 % of the flash tank feed stream? You may assume that the flash tank operates adiabatically.
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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Answer the following question for a Linde liquefaction process with a nitrogen stream.
a. The inlet conditions of a compressor, operating adiabatically and reversibly in a Linde
liquefaction process, are 180K and 2.0 MPa. The outlet stream is compressed to a pressure of 8 MPa. What is the outlet temperature of the compressor?
b. The outlet stream from the compressor in part a is cooled isobarically and then sent to a
flash tank operating at 0.1 MPa. Approximately what temperature must the outlet stream
(inlet to the flash tank) be cooled to liquefied 30 % of the flash tank feed stream? You
may assume that the flash tank operates adiabatically.
Transcribed Image Text:THERMODYNAMIC
PROPERTIES OF
NITROGEN
0.003
40.005
0.007
10
0.01
0.014-
6.02
line
4
0.03
2
6.05
0.07
P, MPa
1
f0.1
0.8
0.14
0.6
0.2
§= 3.75 kJ/(kg-K)
Gv = 0.3 m/kg
0.4
50
100
150
0.2
200
250
300
4,25
350
H, kJ/kg
400
0.1
500
450
20
330
315
*300
285
F240는
+225
210
-0.002
1.75
+195-
A180
1.25kJ/(kg-K
2.75
3.25
line
105K
vapor-
120
v = 0.0014 m/kg
go pejeinies.
Hiquid
saturated
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