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Packed Towers                                           341



















                                 7   6.7  kPa  [  50  mm  HE]  ETHYLBENZENEISTYRENE
                                 8   689  kPa  [loo  PSlA  ]   ISOBUTANEIN-BUTANE



                              0.0.l      0.02   0.03  0.04   0.06  0.08  0.1   0.2   0.3   0.4   0.6   0.8  1.0
                                                         FLOW  PARAMETER,  X

           Figure 9-63B. Capacity correlation of structured Intaloxm 2T The capacity parameter is at the maximum efflcient capacity (MEC) point defined
           by Rukovena and Koshy [151]. The MEC point is lower than the flood point and located where the packing will maintain its desired efficiency.
           Used by permission of Rukovena, E.  and Koshy, T.  D.,  private communication, and Ind. and Eng. Chem. Res. V.  32, No. 10 (1993) p.  2400; all
           rights reserved.







              0 4000K-

              E
                                                4.08 atm
             @ii                              0 1.63 atm
              E
              z                               0 1 .OO atm
              \
             -                                a 0.33 atm
              .-- 3000
              c
              .-
              a
              -0
              8        -                                                   1601  I   I   I  :  I   I   I   I  !  i
                  2000                                                             I       I  !  I   I   I
              c
              a
              a
              2
              0        -                                                 e
                  1000                                                   I
              3                                                          e   40
              In                                                        p.
              v)                                                            0
              a



           Figure 9-64.  Pressure drop at the flood point as a function of load-
           ing. Values are calculated using the Stichlmair et al.  model and dis-
           tillation conditions using cyclohexandn-heptane and Gempaka 2A
           packing. Note: ordinate (N/m2/m)/3.3853  I in. Hg/m.  Reproduced by
           permission of  the American Institute of Chemical Engineers, Fair,   Figure 9-65. Performance of structured gauze packing vs.  Pall rings.
           J. R.  and Bravo, J. L.,  Chemical Engineering Progress, V.  86,  No.  1   Used by permission of Billet, R.,  Chemical Engineering, V.  79, No. 4
           (1 990) p. 19; alt rights reserved.                   (1972) p. 68; all rights reserved.
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