Kolmetz.com Testing MVGT Page 28
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
20806
20805
20804
20803
20809
20808
20807
Run Type
TR
TR
TR
TR
TR
TR
FT
Column Pressure:
psia
100.2
100.2
100.2
100.1
100.2
100.2
100.2
Reboiler Duty
M Btu/h
10.78
10.78
11.16
11.16
11.34
11.34
11.83
Condenser Duty
M Btu/h
9.71
9.73
9.91
9.87
10.32
10.29
10.68
Heat Loss
M Btu/h
0.03
0.03
0.10
0.11
0.05
0.05
0.07
Reflux Rate
k lb/h
76.34
76.34
77.31
76.95
80.39
80.34
82.78
Feed Rate
k lb/h
59.91
59.99
59.94
59.73
59.93
59.94
59.86
Feed Location
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Pressure Drops:
inch Hot Liq/Tray
Overall (Trays 1-8)
5.57
5.57
5.92
5.91
6.34
6.33
7.31
Bottom (Trays 1-4)
5.33
5.33
5.63
5.63
6.01
6.00
6.83
Top (Trays 5-8)
5.70
5.70
6.09
6.07
6.53
6.53
7.69
Tray 7
5.90
5.92
6.35
6.33
6.86
6.86
8.18
Tray 8
5.52
5.52
5.70
5.70
5.97
6.00
6.41
Holdup by Bubblers
inch Hot Liq
Tray 3 DC
7.27
7.28
7.87
7.85
8.54
8.52
10.04
Tray 5 DC
7.33
7.33
7.93
7.91
8.54
8.52
10.74
Tray 7 DC
7.74
7.76
8.40
8.38
9.24
9.24
11.59
Gamma Ray Holdup & DC Backup (inch Hot Liq):
Tray 4 -Centerline
4.51
4.67
4.74
Tray 5 DC Backup
6.89
8.37
Temperature Profiles
o
F
Accumulator tank
123.1
123.1
119.8
119.0
125.0
124.9
122.6
Reflux
122.9
122.9
119.0
118.2
124.8
124.6
122.1
Overhead Vapor
129.1
129.0
127.4
127.3
130.1
130.1
129.9
Tray 8 inlet
125.8
125.8
123.0
122.4
127.4
127.2
125.9
Tray 8 outlet
129.5
129.4
128.0
127.8
130.6
130.5
130.5
Tray 7 outlet
131.1
131.0
129.8
129.6
132.3
132.2
132.3
Tray 6 outlet
132.5
132.4
131.1
131.0
133.6
133.5
133.4
Tray 5 outlet
134.0
134.0
132.6
132.5
135.0
134.9
134.7
Tray 4 outlet
135.5
135.4
134.0
133.9
136.4
136.3
135.9
Tray 3 outlet
137.2
137.1
135.6
135.5
137.8
137.8
137.3
Tray 2 outlet
138.4
138.3
137.0
136.9
139.0
138.9
138.4
Tray 1 outlet
139.6
139.5
138.4
138.3
140.2
140.1
139.5
Bottoms
141.6
141.5
140.2
140.2
142.1
142.0
141.5
Reboiler vapor
141.5
141.4
140.3
140.3
142.0
142.0
141.4
Feed
140.7
140.7
137.5
137.3
140.8
140.7
139.7
Conditions at Tray 4 (Based on Reboiler Duty)
Composition
Mol % iC4
46.90
47.23
53.56
53.73
43.92
44.33
45.51
Temperature
o
F
134.8
134.7
133.3
133.2
135.7
135.6
135.3
Liquid Density
lb/ft
3
32.47
32.46
32.42
32.42
32.47
32.47
32.46
Vapor Density
lb/ft
3
1.013
1.013
1.011
1.010
1.019
1.019
1.017
Vapor Rate
k lb/h
81.09
81.13
83.85
83.80
85.06
85.09
88.72
Liquid Rate
gpm
311.4
311.6
322.5
322.2
326.6
326.7
340.7
Fs
ft/s(lb/ft
3
)
0.5
1.780
1.781
1.843
1.843
1.863
1.863
1.944
Capacity Factor, C
S
ft/s
0.317
0.318
0.329
0.329
0.332
0.332
0.347
Capacity Factor, C
B
ft/s
0.447
0.447
0.463
0.463
0.467
0.468
0.488
Efficiency (Trays 1 & 7 Compositions)
88.7
88.8
84.1
84.2
80.4
81.1
85.7
Efficiency (Trays 1-7 slope)
88.2
89.1
83.9
83.2
78.7
79.7
80.9
Tray pressure drop
inch Hot Liq/ Tray
5.57
5.57
5.92
5.91
6.34
6.33
7.31
Relative Volatility
1.298
1.298
1.300
1.300
1.297
1.297
1.297
