Page 351 - Applied Process Design For Chemical And Petrochemical Plants Volume II

340 Applied Process Design for Chemical and Petrochemical Plants

Table 9-38
Characteristics of Representative Structured Tower Pachgs*
- - . ~-
Montz Mellapak **Sulzer
Flexipac-2 Gempak 2A Intalox 2T El-200 250Y EX
- - ~
-
Specific Area (m-1) 223 223 220 200 250 500
Void Fraction 0.93 0.95 0.97 0.94 0.95 0.90
Corrugation Angle
(degrees) 45 45 45 45 45 60
Crimp Height (m) 0.0125 0.0122 0.0104 0.0149 0.0119 0.0064
Corrugation Side (m) 0.0177 0.0180 0.0223 0.0250 0.0171 0.0088
Corrugation Base (m) 0.0250 0.0268 0.0390 0.0399 0.0241 0.0128
--
Y .I .- ~
*All packing types listed are available in several different sizes. The corrugation angle is measured from the horizontal. Confirm details with manu-
facturer.
**Wire gauze for comparison.
Used by permission of The American Institute of Chemical Engineers; Fair, J. R. and Bravo, J. L., Chem. Eng. Prog. Vol. 89, No. 1 (1990), p. 19; all rights
reserved.

v!
0- 201
I -a Montz 61 -200

J- "[ Montz 61-300 -'e

Figure 9-62. Flooding data for structured
packings as reported by Billet [109]. Numbers
1 following packing type indicate specific sur-
_. 4t face area in m2/m3. Reproduced by permis-
ci
U I sion of the American Institute of Chemical
Engineers, Fair, J. R. and Bravo, J. L., Chern-
1 2 3 4 6 a10 20 40 60 ical Engineering Progress, V. 86, No. 1 (1 990)
p. 19; all rights reserved. Note, U, = vapor
FIOW Parameter, UG (~~/h)~.~x velocity, metedsec.
100

0.20 I I 1 I IIII I I I I t I I
0 Cyclohexaneln-heptane -
0 Airwater -

-0
- - -+*-y=;-<o\ Flexipac - 2
$ 0.10 -
m 010 -
0" Mellapak 250 Y ' 0 L O -
- (Chlorobenzene/ethylbenzene) '0
0.05 '0,
- Figure 963A. Flooding data for struc-
0.03 - 1 I I I II,,I 1 1 I I I Ill tured packings obtained by pressure
drop measurements as well as by effi-
ciency measurements (see Ref. 108 for
sources). Reproduced by permission of
the American Institute of Chemical
Engineers, Fair, J. R. and Bravo, J. L.,
Chemical Engineering Progress, V. 86,
No. 1 (1 990) p. 19; all rights reserved.