Page 163 - 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 d p N a E
2
mm 1/m 3 m /m 3 m'/m 1
Pall ring Metal 50 6242 112.6 0.951 0.763
38 15772 149.6 0.952 1.003
35 19517 139.4 0.965 0.967
25 53900 223.5 0J54 0.957
15 229225 368.4 0.933 0.999
Pall ring Plastic 50 6765 111.1 0.919 0.698
35 17000 151.1 0.906 0.927
25 52300 225.0 0.877 0.865
Pall ring Ceramic 50 6215 116.5 0.783 0.662
Muring Plastic 50 5770 95.2 0.938 0.468
SOhydr. 7720 95.2 0.939 0.439
Hiflow ring Metal 50 5000 92.3 0.977 0,421
25 40790 202.9 0.962 0.689
Hiflow ring Plastic 90 1340 69.7 0.968 0.276
50 6815 117.1 0.925 0.327
SOhydr. 6090 118.4 0.925 0.311
25 46100 194.5 0.918 0.741
Hiflow ring Ceramic 75 1904 54,1 0.868 0.435
50 5120 89.7 0.809 0.538
35 16840 108.3 0.833 0.621
20,4 webs 110741 261.2 0.779 0.628
20,6 webs 110688 265.8 0.776
Hiflow ring Super Plastic 50 6050 82.0 0.942 0.414
Hiflow saddle Plastic 50 82.0 0.942 0.414
NORPAC ring Plastic 50 7330 86.8 0.947 0.350
35 17450 141.8 0.944 0,371
25, type A 52356 211.0 0.951
25, type B 50000 202.0 0.953 0.397
25, type C 47619 192.0 0.922