Page 175 - Packed bed columns for absorption, desorption, rectification and direct heat transfer

170

c ( +

where

1 +
K r 3 Is d c

d r,=6—. (21)

The values of Cp i0 for different packings are presented in Table 6.

Table 5, Constants in Eq. (17) for random packings
Packing Material Q e JV, 1/m 3
Pall ring Metal S.5 1.850 6358
Plastic 6.15 1.864 6765
Ceramic 8.8 1J96 6455
Nor Pac ring Plastic 2.15 1.83 7119
Hiflow ring Metal 2.6 1,86 4739
Plastic 2.6 1,96 6723
Ceramic 4.50 1.89 4630
Hiflow Saddle Plastic 2.32 1.95 9939
TopPak Metal 4.3 1.91 6950
Dinpak Plastic 2.35 1.95 6700
RaluRing Plastic 2.35 1,99 5913
Intalox Saddle Plastic 7.0 1.98 8656
Ceramic 7.0 188 8180