Page 330 - Applied Process Design For Chemical And Petrochemical Plants Volume II

Packed Towers 31 9

Correction Factors for Liquids Other Than Water of the corrections to obtain hold-up for liquid of the spe-
cific system.
A second hold-up correlation reported by T. Otake and
In order to use the data in systems handling liquids
other than water correction equations and charts are K. Okada [55] represents a survey of considerable litera-
used [66]. The charts are more convenient to use and are ture, and is applicable to aqueous and non-aqueous sys-
tems for Reynolds numbers from 10, - 20,000 [40].
presented in Figures 9-46 A, B, Cy D. First, determine the
total or static hold-ups for water at 20°C; second, deter- -0.44
mine separately the correction for viscosity, density, and (a;, (9 - 57)
1
surface tension; third, multiply the water hold-up by each h, =

1.5-( I I I I, I I I I,
1.4 -
1.3-
1.2-
1.1-
1.0 -
0.s -
0.e -
a7 -
0.6 - -
0.1 - -
0.4 -
aa -
0.2 - -
-
0.1 - -
0 1 1 1 1 1 1 ' 1 1 1 1
o XI 40 eo eo 100 120
WRFACE TENSION, #per/ em.
P. LlOUlD DENSITY. am./ml
A. Factors to be applied to water static hold-ups to determine the
effect of surface tension. Used by permission of American Institute C. Factors to be applied to water hold-ups to determine effect of Ilq-
of Chemical Engineers, A./.Ch.€. Jour., Shulman, H. L.. Wells, N., UII- uid density. Used by permission of the American Institute of Chemi-
rich, c. F., and Proulx, A. Z., V. 1, No. 2 (1955) p. 259; all rights cal Engineers,A./.Ch.€. Jour., Shulrnan, H. L., Wells, N., Ullrich, c. E,
resewed. and Proulx, A. Z., V. 1, No. 2 (1955) p. 259; all rights resewed.

3
4ap ,..., . . , ,"", . 1 . ..,.a,
1

o LO 40 eo eo 100 IIO OAOSOd1 2 4 6110 20 4O608lllOO 2111
SURFACE TENSION. dynemlun. p, vlrcooity, cp.
B. Factors to be applied to water operating hold-ups to determine D. Factors to be applied to water hold-ups to estimate the effect of
effect of surface tension. Reproduced by perrnlssion of the Ameri- liquid viscosity. Used by permission of the American Institute of
can Institute of Chemical Engineers, A.6Ch.E. Jour., Shulman, H. L., Chemical Engineers, A.1.Ch.E. Jour., Shulman, H. L., Wells, N., UII-
Wells, N., Ullrich, C. F., and Proulx, A. Z., V. 1, No. 2 (1955) p. 259; all rich, C. F., and Proulx, A. Z.. V. 1, No. 2 (1955) p. 259; all rights
rights reserved. reserved.
Figure 9-46. Physical property corrections for liquid hold-up for cerarnlc packing and carbon packing (as noted). Reproduced by permission
of A./.Ch.€. Jour., Shulman, H. L., Wells, N., Ullrich, C. F., and Proulx, A. 2.. V. 1, No. 2 (1955) p. 259 all rights reserved.