Kolmetz.com Testing MVGT Page 35
Table 2. (SI Unit) (cont'd)
F.R.I. 4 Foot Diameter High Pressure Column
Sulzer Chemtech MVGT
TM
Tray
iC4/nC4 System, 6.9 bar
Run Number
20806
20805
20804
20803
20809
20808
20807
Run Type
TR
TR
TR
TR
TR
TR
FT
Column Pressure
bar
6.91
6.91
6.91
6.90
6.91
6.91
6.91
Reboiler Duty
MW
3.157
3.158
3.270
3.270
3.320
3.320
3.464
Condenser Duty
MW
2.844
2.851
2.901
2.891
3.022
3.014
3.127
Heat Loss
MW
0.010
0.009
0.029
0.031
0.014
0.014
0.020
Reflux Rate
kg/s
9.62
9.62
9.74
9.70
10.13
10.12
10.43
Feed Rate
kg/s
7.55
7.56
7.55
7.53
7.55
7.55
7.54
Feed Location
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Pressure Drops:
mm Hot Liq/Tray
Overall (Trays 1-8)
142
142
150
150
161
161
186
Bottom (Trays 1-4)
135
135
143
143
153
152
173
Top (Trays 5-8)
145
145
155
154
166
166
195
Tray 7
150
150
161
161
174
174
208
Tray 8
140
140
145
145
152
152
163
Holdup by Bubblers
mm Hot Liq:
Tray 3 DC
185
185
200
199
217
216
255
Tray 5 DC
186
186
201
201
217
216
273
Tray 7 DC
197
197
213
213
235
235
294
Gamma Ray Holdup & DC Backup (inch Hot Liq):
Tray 4 -Centerline
115
119
120
Tray 5 DC Backup
175
213
Temperature Profiles
o
C
Accumulator tank
50.6
50.6
48.8
48.3
51.7
51.6
50.4
Reflux
50.5
50.5
48.4
47.9
51.6
51.5
50.0
Overhead Vapor
53.9
53.9
53.0
52.9
54.5
54.5
54.4
Tray 8 inlet
52.1
52.1
50.5
50.2
53.0
52.9
52.2
Tray 8 outlet
54.2
54.1
53.3
53.2
54.8
54.7
54.7
Tray 7 outlet
55.0
55.0
54.3
54.2
55.7
55.6
55.7
Tray 6 outlet
55.8
55.8
55.1
55.0
56.4
56.4
56.3
Tray 5 outlet
56.7
56.6
55.9
55.8
57.2
57.2
57.1
Tray 4 outlet
57.5
57.5
56.7
56.6
58.0
57.9
57.7
Tray 3 outlet
58.4
58.4
57.6
57.5
58.8
58.8
58.5
Tray 2 outlet
59.1
59.1
58.3
58.3
59.4
59.4
59.1
Tray 1 outlet
59.8
59.7
59.1
59.0
60.1
60.1
59.7
Bottoms
60.9
60.8
60.1
60.1
61.2
61.1
60.8
Reboiler vapor
60.9
60.8
60.2
60.1
61.1
61.1
60.8
Feed
60.4
60.4
58.6
58.5
60.4
60.4
59.8
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
C
57.1
57.1
56.3
56.2
57.6
57.6
57.4
Liquid Density
kg/m
3
520.0
520.0
519.3
519.4
520.2
520.1
520.0
Vapor Density
kg/m
3
16.230
16.230
16.199
16.175
16.316
16.319
16.298
Vapor Rate
kg/s
10.217
10.222
10.565
10.559
10.718
10.721
11.178
Liquid Rate
m
3
/h
70.73
70.77
73.24
73.19
74.18
74.21
77.38
Fs
m/s (kg/m
3
)
0.5
2.172
2.173
2.248
2.248
2.272
2.273
2.371
Capacity Factor, Cs
m/s
0.097
0.097
0.100
0.100
0.101
0.101
0.106
Capacity Factor, Cb
m/s
0.136
0.136
0.141
0.141
0.142
0.143
0.149
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
mm Hot Liq / tray
142
142
150
150
161
161
186
Relative Volatility
1.298
1.298
1.300
1.300
1.297
1.297
1.297
