Raschig Super-Ring
Raschig Super-Ring
Raschig Super-Ring
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DP/Stage, mbar<br />
Fs-Factor, ft/s(lb/ft 3 ) 0.5<br />
0.00 0.40 0.80 1.20 1.60 2.00 2.40 2.80 3.20<br />
12.0<br />
9.0<br />
6.0<br />
3.0<br />
p = 1.03 - 1.65 bar<br />
Mellapak Tested in<br />
1.22m F.R.I. Column<br />
90 % System Limit<br />
4.50<br />
4.00<br />
3.50<br />
3.00<br />
2.50<br />
2.00<br />
1.50<br />
1.00<br />
0.50<br />
DP/Stage, in.H 2 0<br />
0.0<br />
0.00<br />
0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00<br />
Fs-Factor, Pa 0.5<br />
RSP-250 wSE<br />
M252.Y VKG 6.7 mm (midbed 34-58%C6)<br />
B1-250 [1.03 bar]<br />
RSP-300 woSE<br />
B1-250M [1.03 bar]<br />
Figure 12. Pressure Drop per Theoretical Stage comparison at total reflux. <strong>Raschig</strong> <strong>Super</strong>-Pak<br />
RSP-250 wSE vs. RSP-300 woSE, B1-250, B1-250M and M252Y (FRI),<br />
1.655 bar, 0.43 m I.D. SRP column, 3.05 m bed, C 6 /C 7 system, High capacity distributors<br />
DP/Stage, mbar<br />
Fs-Factor, ft/s(lb/ft 3 ) 0.5<br />
0.00 0.40 0.80 1.20 1.60 2.00 2.40 2.80 3.20<br />
12.0<br />
9.0<br />
6.0<br />
3.0<br />
p = 0.33 bar<br />
90 % System Limit<br />
4.50<br />
4.00<br />
3.50<br />
3.00<br />
2.50<br />
2.00<br />
1.50<br />
1.00<br />
DP/Stage, in.H 2 0<br />
0.0<br />
0.00<br />
0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00<br />
Fs-Factor, Pa 0.5<br />
RSP-250 wSE<br />
RSP-300 woSE<br />
M252.Y VKG 5.3 mm (midbed 45-52%C6)<br />
B1-250M<br />
B1-250 M250.Y 1987 TDP (midbed 40-96, 90-96%C6)<br />
Figure 13. Pressure Drop per Theoretical Stage comparison at total reflux. <strong>Raschig</strong> <strong>Super</strong>-Pak<br />
RSP-250 wSE vs. RSP-300 woSE, B1-250, M250Y (FRI 1987), B1-250M and M252Y (FRI),<br />
0.333 bar, 0.43 m I.D. SRP column, 3.05 m bed, C 6 /C 7 system, High capacity distributors<br />
0.50<br />
13
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