Kolmetz.com Testing MVGT Page 30
Table 3. (English Unit) (cont'd)
F.R.I. 4 Foot Diameter High Pressure Column
Sulzer Chemtech MVGT
TM
Tray
iC4/nC4 System, 165 psia
Run Number
20832
20844
20845
20834
20835
20836
20837
Run Type
TR
TR
TR
TR
TR
TR
TR
Column Pressure:
psia
164.8
165.5
165.1
165.1
165.0
165.0
165.0
Reboiler Duty
M Btu/h
5.94
7.18
7.18
8.43
8.43
9.39
9.39
Condenser Duty
M Btu/h
4.96
6.33
6.29
7.34
7.30
8.06
8.06
Heat Loss
M Btu/h
0.06
0.08
0.08
0.07
0.07
0.10
0.09
Reflux Rate
k lb/h
34.69
45.34
45.27
59.13
59.23
62.11
62.02
Feed Rate
k lb/h
60.03
59.95
59.93
60.37
60.01
60.17
60.31
Feed Location
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Pressure Drops:
inch Hot Liq/Tray
Overall (Trays 1-8)
2.96
3.18
3.18
3.48
3.48
3.91
3.91
Bottom (Trays 1-4)
2.90
3.06
3.06
3.44
3.45
3.81
3.82
Top (Trays 5-8)
3.00
3.22
3.21
3.53
3.53
3.97
3.98
Tray 7
3.07
3.23
3.23
3.54
3.54
3.96
3.96
Tray 8
3.28
3.46
3.46
3.77
3.77
4.19
4.21
Holdup by Bubblers
inch Hot Liq
Tray 3 DC
4.90
5.50
5.48
5.69
5.69
6.38
6.41
Tray 5 DC
4.79
4.81
4.07
4.12
5.73
5.75
Tray 7 DC
5.04
5.40
5.38
5.80
5.80
6.47
6.46
Gamma Ray Holdup & DC Backup (inch Hot Liq)
Tray 4 -Centerline
2.16
2.37
2.74
3.22
Tray 5 DC Backup
4.06
4.95
4.35
5.33
Temperature Profiles
o
F
Accumulator tank
121.4
129.9
129.5
150.0
150.0
139.1
138.3
Reflux
121.3
129.6
129.2
150.1
150.2
139.0
138.0
Overhead Vapor
170.3
169.8
169.6
170.0
170.1
170.5
170.6
Tray 8 inlet
157.8
151.2
150.8
160.9
161.1
155.4
154.8
Tray 8 outlet
170.9
170.5
170.4
170.1
170.2
171.1
171.1
Tray 7 outlet
172.6
172.5
172.3
172.0
172.0
172.9
172.9
Tray 6 outlet
174.2
174.1
173.9
173.6
173.6
174.3
174.3
Tray 5 outlet
175.8
175.9
175.6
175.2
175.3
176.0
175.9
Tray 4 outlet
177.2
177.3
177.1
176.7
176.7
177.3
177.3
Tray 3 outlet
178.8
178.9
178.7
178.3
178.3
178.7
178.7
Tray 2 outlet
179.8
180.0
179.8
179.3
179.3
179.7
179.7
Tray 1 outlet
181.1
181.3
181.1
180.5
180.5
180.7
180.7
Bottoms
182.6
182.9
182.6
182.0
182.0
182.3
182.4
Reboiler vapor
183.2
183.4
183.2
182.3
182.3
182.6
182.6
Feed
181.1
180.8
180.6
180.3
180.4
180.0
180.1
Conditions at Tray 4 (Based on Reboiler Duty)
Composition
Mol % iC4
37.10
39.64
39.51
39.63
39.43
37.35
37.59
Temperature
o
F
176.5
176.6
176.4
176.0
176.0
176.6
176.6
Liquid Density
lb/ft
3
30.44
30.38
30.40
30.42
30.42
30.43
30.42
Vapor Density
lb/ft
3
1.792
1.811
1.805
1.796
1.796
1.796
1.797
Vapor Rate
k lb/h
49.18
59.69
59.64
70.17
70.20
77.89
77.94
Liquid Rate
gpm
201.4
244.9
244.6
287.6
287.7
319.1
319.4
Fs
ft/s(lb/ft
3
)
0.5
0.812
0.980
0.981
1.157
1.158
1.284
1.285
Capacity Factor, C
S
ft/s
0.152
0.183
0.183
0.216
0.216
0.240
0.240
Capacity Factor, C
B
ft/s
0.214
0.258
0.258
0.304
0.305
0.338
0.338
Efficiency (Trays 1 & 7 Compositions)
113.5
111.1
110.4
108.2
108.3
103.4
103.4
Efficiency (Trays 1-7 slope)
113.8
109.5
110.6
107.9
107.5
104.2
103.6
Tray pressure drop
inch Hot Liq/ Tray
2.96
3.18
3.18
3.48
3.48
3.91
3.91
Relative Volatility
1.231
1.231
1.231
1.231
1.231
1.231
1.231
