Kolmetz.com Testing MVGT Page 27
Table 2. (English Unit) (cont'd)
F.R.I. 4 Foot Diameter High Pressure Column
Sulzer Chemtech MVGT
TM
Tray
iC4/nC4 System, 100 psia
Run Number
20817
20811
20810
20800
20799
20802
20801
Run Type
TR
TR
TR
TR
TR
TR
TR
Column Pressure:
psia
100.0
100.0
99.8
100.0
100.0
100.0
100.1
Reboiler Duty
M Btu/h
5.84
7.94
7.95
9.09
9.09
9.99
9.99
Condenser Duty
M Btu/h
5.46
7.08
7.05
8.07
8.07
8.91
8.98
Heat Loss
M Btu/h
0.02
0.02
0.02
0.06
0.06
0.08
0.06
Reflux Rate
k lb/h
37.16
55.13
55.48
61.32
61.52
66.37
66.69
Feed Rate
k lb/h
59.90
59.83
59.87
59.92
60.01
59.84
60.62
Feed Location
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Pressure Drops:
inch Hot Liq/Tray
Overall (Trays 1-8)
3.03
3.60
3.60
4.05
4.05
4.71
4.73
Bottom (Trays 1-4)
2.95
3.53
3.53
3.89
3.90
4.50
4.52
Top (Trays 5-8)
3.04
3.62
3.62
4.10
4.10
4.78
4.81
Tray 7
3.11
3.65
3.65
4.12
4.14
4.85
4.87
Tray 8
3.29
3.78
3.78
4.20
4.20
4.80
4.82
Holdup by Bubblers
inch Hot Liq
Tray 3 DC
4.25
4.69
4.70
5.07
5.07
5.92
5.94
Tray 5 DC
3.80
4.57
4.57
5.13
5.13
6.00
6.04
Tray 7 DC
3.89
4.52
4.50
5.12
5.12
6.19
6.23
Gamma Ray Holdup & DC Backup (inch Hot Liq):
Tray 4 -Centerline
2.16
2.67
3.68
Tray 5 DC Backup
4.80
4.52
5.85
Temperature Profiles
o
F
Accumulator tank
109.7
121.2
122.6
114.2
114.2
110.4
110.8
Reflux
110.2
121.5
122.9
114.1
114.1
110.0
110.5
Overhead Vapor
129.3
128.7
128.7
127.0
127.0
127.3
127.3
Tray 8 inlet
120.1
124.5
125.2
120.0
120.0
118.1
118.4
Tray 8 outlet
129.4
128.9
128.8
127.4
127.4
127.8
127.8
Tray 7 outlet
131.1
130.5
130.4
129.0
129.0
129.4
129.4
Tray 6 outlet
132.8
132.2
132.1
130.5
130.5
130.8
130.8
Tray 5 outlet
134.6
133.9
133.9
132.1
132.1
132.5
132.5
Tray 4 outlet
136.3
135.5
135.5
133.7
133.7
134.0
133.9
Tray 3 outlet
138.1
137.3
137.3
135.4
135.4
135.7
135.6
Tray 2 outlet
139.4
138.6
138.6
136.9
136.9
137.2
137.2
Tray 1 outlet
141.0
140.2
140.0
138.5
138.5
138.6
138.5
Bottoms
142.5
141.7
141.7
140.3
140.3
140.5
140.4
Reboiler vapor
143.5
141.8
141.8
140.4
140.4
140.5
140.5
Feed
142.1
141.1
141.2
138.7
138.7
138.2
138.8
Conditions at Tray 4 (Based on Reboiler Duty)
Composition
Mol % iC4
43.72
45.54
45.46
54.04
53.87
53.05
53.01
Temperature
o
F
135.5
134.7
134.7
132.9
132.9
133.2
133.2
Liquid Density
lb/ft
3
32.48
32.49
32.50
32.43
32.44
32.43
32.44
Vapor Density
lb/ft
3
1.015
1.008
1.007
1.006
1.005
1.008
1.007
Vapor Rate
k lb/h
43.84
59.69
59.71
68.38
68.37
75.04
75.19
Liquid Rate
gpm
168.2
229.0
229.1
262.9
262.8
288.4
289.0
Fs
ft/s(lb/ft
3
)
0.5
0.962
1.314
1.315
1.507
1.507
1.652
1.655
Capacity Factor, C
S
ft/s
0.171
0.234
0.234
0.269
0.269
0.295
0.295
Capacity Factor, C
B
ft/s
0.241
0.330
0.330
0.378
0.378
0.415
0.416
Efficiency (Trays 1 & 7 Compositions)
106.8
101.9
102.3
96.7
96.6
93.2
92.0
Efficiency (Trays 1-7 slope)
105.6
101.4
100.4
96.2
96.5
93.6
92.3
Tray pressure drop
inch Hot Liq/ Tray
3.03
3.60
3.60
4.05
4.05
4.71
4.73
Relative Volatility
1.297
1.298
1.298
1.300
1.300
1.300
1.300
