Page 200 - Packed bed columns for absorption, desorption, rectification and direct heat transfer
P. 200

190


                               Table 10, The values of the constant Q, C, C ra C L and C rfor different packings [177]
                               Dumped packings  Material  Size, mm  C h  c s  C Fl  Q   Cy
                               Pall ring              50       58.70  2.725  1.580  1.192  0.410
                                                      38              2.597  1.76  1.227  0.341
                                              Metal   35       43.12  2.629  1.679  1.012
                                                      25       31.74  2.627  2.083  1.440  0.336
                                                       15      20.17  2.550  2.081
                               Pall ring      Plastic  50      67.95  2.816  1.757  1.239  0.368
                                                       35      49.18  2.654  1.742  0.856  0.310
                                                      25       22.23  2,696  2.064  0.905  0.446
                               Pall ring      Ceramic  50      70.29  2.846  1.913  1.227  0.415
                               Pall ring grid  Plastic  50     70.29  2.846  1.913
                               Raul ring      Plastic  50             2J43   1J12  1.520  0.303
                                                       50, hydr                    1.481  0.341
                               Raul ring      Metal    50      81.71  2.702  1.626  1.168  0.408
                                                       25      42.93  2.918  2.177       0.402
                               Raul ring      Plactic  90             2,853  1.597
                                                       50      73.03  2.894  1.871  1.487  0.345
                                                       50, hydr                    1.553  0.369
                                                       25             2.842  1.989  1.577  0.309
                               Raul ring       Ceramic  75            2.903  1.565
                                                       50             2.819  1.694  1.377  0.379
                                                       35             2.664  1.667
                                                       20,4wb  58.05  2.875  2.410  1.744  0.547
                                                       20,6wb  45.53


                               Hiflow ring; Super  Plastic  50        2.886  1.702  1.219  0.342
                               NOR PAK ring    Plastic  50      143.96  2.959  1.786  1.080  0.322
                                                       35       57.62  3.179  2.242  0.756  0.425
                                                       25,typA         3.419  2.656  0.862
                                                       25, typ B  41.01  3.277  2.472  0J83  0.366
                                                       25, typC        2.990  2.156  0.888
   195   196   197   198   199   200   201   202   203   204   205