Raschig Super-Ring
Raschig Super-Ring
Raschig Super-Ring
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Pressure Drop, Pa/m packing<br />
2500<br />
2000<br />
1500<br />
1000<br />
500<br />
Hydraulic Performance of <strong>Raschig</strong> RSP-250wSE vs RSP-300woSE<br />
RSP-250 DP<br />
Dry<br />
RSP-300 DP<br />
Dry<br />
RSP-250<br />
24.48 m3/m2h<br />
RSP-300<br />
24.48 m3/m2h<br />
RSP-250<br />
36.72 m3/m2h<br />
RSP-300<br />
36.72 m3/m2h<br />
RSP-250<br />
48.96 m3/m2h<br />
RSP-300<br />
48.96 m3/m2h<br />
RSP-250<br />
73.44 m3/m2h<br />
RSP-300<br />
73.44 m3/m2h<br />
0<br />
0.00 1.00 2.00 3.00 4.00 5.00<br />
F-factor (m/s) (kg/m 3 ) 0.5<br />
Figure 2. Pressure drop per meter packed height comparison of <strong>Raschig</strong> <strong>Super</strong>-Pak RSP-250wSE vs.<br />
RSP-300woSE for select constant liquid rates. Column ID 0.43 m, Bed Height 3.05 m. Air/water<br />
tests at Separations Research Program, University of Texas at Austin, Austin, Texas.<br />
HETP, m<br />
Liquid Rate, gpm/ft 2<br />
0.0 4.0 8.0 12.0 16.0 20.0 24.0<br />
0.80<br />
90 % System Limit<br />
0.70<br />
0.60<br />
0.50<br />
0.40<br />
0.30<br />
0.20<br />
30.94<br />
27.94<br />
24.94<br />
21.94<br />
18.94<br />
15.94<br />
12.94<br />
9.94<br />
6.94<br />
HETP, inches<br />
0.10<br />
3.94<br />
0.0 10.0 20.0 30.0 40.0 50.0 60.0<br />
Liquid Rate, m 3 /m 2 /h<br />
RSP-250 wSE - 0.333 bar [4.83 psia]<br />
RSP-300 woSE - 0.333 bar [4.83 psia]<br />
RSP-250 wSE - 1.655 bar [24.0 psia]<br />
RSP-300 woSE - 1.655 bar [24.0 psia]<br />
Figure 3. Effect of liquid rate and operating pressure on HETP of <strong>Raschig</strong> <strong>Super</strong>-Pak RSP-250wSE<br />
compared with RSP-300woSE at total reflux, 0.43 m I.D. SRP Column, 3.05 m Bed, C6/C7 System,<br />
High capacity drip tube distributor<br />
8
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