Page 164 - Packed bed columns for absorption, desorption, rectification and direct heat transfer

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Table 1. Geometrical characteristics of some random packings after Billet [177]
Packing Material Size dp J¥ a e c p
2
3
mm 1/m 3 m /m 3 m /m 3
NORPAC ring Plastic 25,10 webs 48920 197.9 0.920 0.383
22 69274 249.0 0.913 0.397
15 167729 309.8 0.920 0.365
Bialecki ring Metal 50 6278 121.0 0.966 0.719
35 18200 155.0 0.967 1.011
25 41353 210.0 0.956 0.891
Bialecki ring Plastic 50 3900 100 0,956
Rasehig ring Ceramic SO 5990 95.0 0.830
38 13275 118.0 0,680
25 47700 190.0 0.680 1.329
15 189091 312.0 0.690
13 378000 370.0 0.640
10 672000 440,. 0.650
8 1261000 550.0 0.650
6 3022936 771.9 0.620
Rasehig ring Metal 15 260778 378.4 0.917
Rasehig ring Carbon 25 50599 202.2 0.720
13 378000 370.0 0.640
VSPring Metal 50, No 2 7841 104.6 0.980
25,Nol 33434 199.0 0.975
Glich, CMR ring Metal 38 60744 174.9 0,974
25 158467 232.5 0.971
16 553950 340.0 0.951
13 560811 356.8 0.955
Envi Pack ring Plastic 80, No 3 2000 60.0 0.955 0.358
60, No 2 6800 98. 0.961 0.338
32, No 1 53000 138.9 0.936 0.549
Dinpac ring Plastic 45, No 1 29039 135.3 0.921
Raflux Rings Plastic 15 307.9 0.894 0.595