Kolmetz.com Testing MVGT Page 38
Table 3. (SI Unit) (cont'd)
F.R.I. 4 Foot Diameter High Pressure Column
Sulzer Chemtech MVGT
TM
Tray
iC4/nC4 System, 11.4 bar
Run Number
20839
20838
20841
20840
20842
20843
20823
20824
Run Type
TR
TR
TR
TR
TR
TR
FT
FT
Column Pressure
bar
11.36
11.38
11.37
11.38
11.38
11.38
11.35
11.35
Reboiler Duty
MW
3.107
3.106
3.291
3.288
3.380
3.380
3.434
3.434
Condenser Duty
MW
2.744
2.767
2.940
2.887
2.988
2.986
3.083
3.085
Heat Loss
MW
0.023
0.021
0.040
0.028
0.025
0.024
0.008
0.008
Reflux Rate
kg/s
9.28
9.32
9.53
9.52
9.77
9.77
11.08
10.92
Feed Rate
kg/s
7.53
7.55
7.56
7.55
7.55
7.55
8.32
8.31
Feed Location
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Pressure Drops:
mm Hot Liq/Tray
Overall (Trays 1-8)
128
128
147
146
165
165
224
223
Bottom (Trays 1-4)
126
126
142
141
156
156
178
178
Top (Trays 5-8)
130
130
152
151
173
174
270
268
Tray 7
131
132
158
157
184
185
281
280
Tray 8
131
131
144
143
151
151
301
293
Holdup by Bubblers
mm Hot Liq
Tray 3 DC
211
210
242
242
276
276
314
315
Tray 5 DC
195
194
236
234
280
281
356
356
Tray 7 DC
215
215
261
259
311
313
535
534
Gamma Ray Holdup & DC Backup (inch Hot Liq)
Tray 4 -Centerline
108
124
Tray 5 DC Backup
181
253
Temperature Profiles
o
C
Accumulator tank
62.7
63.5
58.9
59.5
57.9
57.7
65.6
65.6
Reflux
62.5
63.3
58.5
59.3
57.7
57.5
65.6
65.6
Overhead Vapor
77.2
77.3
76.5
77.4
77.0
77.1
77.4
77.4
Tray 8 inlet
69.2
69.7
66.1
66.9
65.7
65.6
69.5
69.7
Tray 8 outlet
77.5
77.6
77.1
77.7
77.5
77.5
77.3
77.3
Tray 7 outlet
78.5
78.5
78.3
78.8
78.7
78.7
78.3
78.3
Tray 6 outlet
79.3
79.4
79.0
79.6
79.4
79.4
79.0
79.0
Tray 5 outlet
80.1
80.2
79.9
80.4
80.2
80.2
79.7
79.6
Tray 4 outlet
80.9
81.0
80.6
81.1
80.8
80.8
80.3
80.3
Tray 3 outlet
81.7
81.7
81.4
81.9
81.6
81.6
81.0
81.0
Tray 2 outlet
82.1
82.2
81.9
82.4
82.2
82.2
81.5
81.4
Tray 1 outlet
82.8
82.8
82.5
83.0
82.7
82.7
82.1
82.1
Bottoms
83.6
83.7
83.4
83.8
83.7
83.7
83.1
83.1
Reboiler vapor
83.7
83.8
83.5
83.9
83.7
83.7
83.2
83.1
Feed
82.5
82.7
81.6
82.5
82.6
82.6
82.8
82.7
Conditions at Tray 4 (Based on Reboiler Duty)
Composition
mol% iC4
36.15
35.81
35.58
35.76
37.49
37.43
40.89
40.98
Temperature
o
C
80.5
80.6
80.2
80.7
80.5
80.5
80.0
80.0
Liquid Density
kg/m
3
487.6
487.5
488.2
487.3
487.1
487.1
486.9
486.9
Vapor Density
kg/m
3
28.745
28.766
28.523
28.864
28.900
28.890
28.907
28.896
Vapor Rate
kg/s
11.112
11.117
11.688
11.758
12.115
12.117
12.391
12.391
Liquid Rate
m
3
/h
82.04
82.09
86.19
86.87
89.54
89.54
91.62
91.61
Fs
m/s (kg/m
3
)
0.5
1.775
1.775
1.874
1.874
1.930
1.930
1.974
1.974
Capacity Factor, Cs
m/s
0.083
0.083
0.087
0.088
0.090
0.090
0.092
0.092
Capacity Factor, Cb
m/s
0.117
0.117
0.123
0.123
0.127
0.127
0.130
0.130
Efficiency (Trays 1 & 7 Compositions)
%
98.8
100.1
97.9
98.3
91.3
92.1
75.0
75.2
Efficiency (Trays 1-7 slope)
%
98.9
100.5
98.0
97.9
90.7
91.0
72.0
74.7
Tray pressure drop
mm Hot Liq / tray
128
128
147
146
165
165
224
223
Relative Volatility
1.231
1.231
1.232
1.231
1.231
1.231
1.231
1.231
