Kolmetz.com Testing MVGT Page 37
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
20832
20844
20845
20834
20835
20836
20837
Run Type
TR
TR
TR
TR
TR
TR
TR
Column Pressure
bar
11.36
11.41
11.38
11.38
11.38
11.38
11.38
Reboiler Duty
MW
1.738
2.104
2.104
2.470
2.470
2.749
2.749
Condenser Duty
MW
1.453
1.854
1.842
2.148
2.139
2.362
2.360
Heat Loss
MW
0.019
0.025
0.025
0.021
0.019
0.028
0.027
Reflux Rate
kg/s
4.37
5.71
5.70
7.45
7.46
7.83
7.81
Feed Rate
kg/s
7.56
7.55
7.55
7.61
7.56
7.58
7.60
Feed Location
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Pressure Drops:
mm Hot Liq/Tray
Overall (Trays 1-8)
75
81
81
88
88
99
99
Bottom (Trays 1-4)
74
78
78
87
88
97
97
Top (Trays 5-8)
76
82
82
90
90
101
101
Tray 7
78
82
82
90
90
101
101
Tray 8
83
88
88
96
96
106
107
Holdup by Bubblers
mm Hot Liq
Tray 3 DC
125
140
139
145
145
162
163
Tray 5 DC
122
122
103
105
145
146
Tray 7 DC
128
137
137
147
147
164
164
Gamma Ray Holdup & DC Backup (inch Hot Liq):
Tray 4 -Centerline
55
60
70
82
Tray 5 DC Backup
103
126
110
135
Temperature Profiles
o
C
Accumulator tank
49.7
54.4
54.2
65.5
65.6
59.5
59.0
Reflux
49.6
54.2
54.0
65.6
65.7
59.4
58.9
Overhead Vapor
76.8
76.6
76.5
76.6
76.7
77.0
77.0
Tray 8 inlet
69.9
66.2
66.0
71.6
71.7
68.5
68.2
Tray 8 outlet
77.2
77.0
76.9
76.7
76.8
77.3
77.3
Tray 7 outlet
78.1
78.1
77.9
77.8
77.8
78.3
78.3
Tray 6 outlet
79.0
79.0
78.9
78.7
78.7
79.1
79.1
Tray 5 outlet
79.9
79.9
79.8
79.6
79.6
80.0
80.0
Tray 4 outlet
80.7
80.7
80.6
80.4
80.4
80.7
80.7
Tray 3 outlet
81.6
81.6
81.5
81.3
81.3
81.5
81.5
Tray 2 outlet
82.1
82.2
82.1
81.8
81.8
82.1
82.1
Tray 1 outlet
82.8
82.9
82.8
82.5
82.5
82.6
82.6
Bottoms
83.7
83.8
83.7
83.3
83.3
83.5
83.5
Reboiler vapor
84.0
84.1
84.0
83.5
83.5
83.6
83.7
Feed
82.8
82.7
82.5
82.4
82.5
82.2
82.3
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
C
80.3
80.3
80.2
80.0
80.0
80.3
80.3
Liquid Density
kg/m
3
487.6
486.7
487.0
487.3
487.3
487.4
487.4
Vapor Density
kg/m
3
28.709
29.003
28.907
28.771
28.769
28.769
28.792
Vapor Rate
kg/s
6.197
7.521
7.514
8.842
8.845
9.815
9.820
Liquid Rate
m
3
/h
45.75
55.63
55.55
65.32
65.34
72.49
72.54
Fs
m/s (kg/m
3
)
0.5
0.990
1.196
1.197
1.412
1.412
1.567
1.567
Capacity Factor, Cs
m/s
0.046
0.056
0.056
0.066
0.066
0.073
0.073
Capacity Factor, Cb
m/s
0.065
0.079
0.079
0.093
0.093
0.103
0.103
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
mm Hot Liq / tray
75
81
81
88
88
99
99
Relative Volatility
1.231
1.231
1.231
1.231
1.231
1.231
1.231
