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Separator Design 325

Table 6.25 Tray Spacing for Absorbers, Strippers, and Fractionators.
(Source Ref. 75)._______________________________

Pressure Tray Spacing, ff

Vacuum 2.0 to 2.5
Atmospheric 1.5
High Pressure 1.0

a) To obtain the tray spacing in meters multiply by 0.3048.

Table 6.26 Relative Flooding Factors for Column Packings (Source
Adapted from Ref. 52 with permission).

Pall Rings— Metal Intalox Saddles— Ceramic Koch 5u/zer fix
50 mm 1.00* 50 0.89 BX 1.00
38 0.91 38 0.75
25 0.70 25 0.60 Koch Flexipac
12 0.65 12 0.40
No. 1 0.69
Raschig Rings — Metal Berl Saddles— Ceramic No. 2 1.08
50 0.79 50 0.84 No. 3 1.35
38 0.71 38 0.70 Tellerettes
25 0.66 25 0.54
12 0.55 12 0.37 1.0

Raschig Rings — Ceramic Intalox Saddles— Metal Nor-Pak Plastic
50 0.78 No. 25 0.88 No. 25 1.0
38 0.65 No. 40 0.98 No. 35 1.20
25 0.50 No. 50 1.10
12 0.37 No. 70 1 .24

*The tabulated values are the ratio of k for a packing type and size to k
for 50 mm (2 in) Pall rings.

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