Kolmetz.com Testing MVGT Page 36
Table 3. (SI Unit)
F.R.I. 4 Foot Diameter High Pressure Column
Sulzer Chemtech MVGT
TM
Tray
iC4/nC4 System, 11.4 bar
Run Number
20826
20827
20828
20829
20831
20830
20833
Run Type
TR
TR
TR
TR
TR
TR
TR
Column Pressure
bar
11.39
11.39
11.38
11.38
11.38
11.38
11.38
Reboiler Duty
MW
0.734
0.734
1.007
1.007
1.376
1.376
1.738
Condenser Duty
MW
0.626
0.636
0.888
0.899
1.188
1.188
1.462
Heat Loss
MW
0.017
0.016
0.016
0.015
0.018
0.017
0.019
Reflux Rate
kg/s
1.29
1.32
2.07
2.07
3.20
3.19
4.37
Feed Rate
kg/s
7.57
7.54
7.54
7.54
7.54
7.54
7.55
Feed Location
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Bottom
Pressure Drops:
mm Hot Liq/Tray
Overall (Trays 1-8)
11
11
51
52
69
69
75
Bottom (Trays 1-4)
11
12
51
51
69
69
74
Top (Trays 5-8)
11
12
53
53
71
71
76
Tray 7
43
44
72
77
124
131
78
Tray 8
11
11
59
60
77
77
83
Holdup by Bubblers
mm Hot Liq
Tray 3 DC
61
62
109
108
119
119
124
Tray 5 DC
37
37
86
87
111
110
Tray 7 DC
69
68
90
91
127
127
127
Gamma Ray Holdup & DC Backup (inch Hot Liq)
Tray 4 -Centerline
14
44
50
Tray 5 DC Backup
13
82
98
Temperature Profiles
o
C
Accumulator tank
30.9
31.2
32.1
31.7
39.9
39.4
49.6
Reflux
33.2
33.5
33.9
33.5
40.5
40.1
49.6
Overhead Vapor
77.2
77.3
76.1
76.1
76.2
76.2
76.9
Tray 8 inlet
74.0
73.7
72.0
72.0
72.6
72.7
70.1
Tray 8 outlet
78.0
78.0
77.0
77.0
76.7
76.7
77.3
Tray 7 outlet
77.3
77.3
76.8
76.8
77.5
77.5
78.2
Tray 6 outlet
79.0
78.9
78.2
78.1
78.6
78.5
79.1
Tray 5 outlet
79.1
79.1
79.1
79.1
79.5
79.5
80.0
Tray 4 outlet
79.7
79.7
80.0
80.0
80.3
80.3
80.8
Tray 3 outlet
80.3
80.3
80.7
80.7
81.2
81.2
81.7
Tray 2 outlet
80.7
80.8
81.3
81.3
81.8
81.8
82.2
Tray 1 outlet
81.4
81.4
82.3
82.3
82.3
82.3
82.9
Bottoms
82.6
82.6
83.1
83.1
83.3
83.3
83.8
Reboiler vapor
82.9
82.9
83.4
83.4
83.6
83.6
84.1
Feed
81.9
81.9
82.3
82.4
82.5
82.5
82.9
Conditions at Tray 4 (Based on Reboiler Duty)
Composition
mol% iC4
46.87
46.72
43.43
43.07
40.83
40.39
37.26
Temperature
o
C
79.4
79.4
79.5
79.5
79.9
79.9
80.4
Liquid Density
kg/m
3
485.9
486.0
486.8
486.9
487.0
487.2
487.4
Vapor Density
kg/m
3
29.159
29.139
28.869
28.837
28.844
28.785
28.795
Vapor Rate
kg/s
2.606
2.608
3.588
3.588
4.907
4.905
6.202
Liquid Rate
m
3
/h
19.31
19.32
26.53
26.53
36.27
36.24
45.81
Fs
m/s (kg/m
3
)
0.5
0.413
0.414
0.572
0.572
0.782
0.783
0.990
Capacity Factor, Cs
m/s
0.019
0.019
0.027
0.027
0.037
0.037
0.046
Capacity Factor, Cb
m/s
0.027
0.027
0.038
0.038
0.051
0.051
0.065
Efficiency (Trays 1 & 7 Compositions)
%
69.6
69.1
102.7
102.8
106.0
107.0
113.0
Efficiency (Trays 1-7 slope)
%
69.5
69.7
106.5
106.4
108.6
110.1
112.5
Tray pressure drop
mm Hot Liq / tray
11
11
51
52
69
69
75
Relative Volatility
1.231
1.231
1.231
1.232
1.231
1.231
1.231
