Page 92 - Adsorption Technology & Design, Elsevier (1998)
P. 92
Rates of adsorption of gases and vapours by porous media 89
c
0
c
8
c
8
i _ . . . . . i - .
Time t t
Input pulse Response
Figure 4.10 Input pulse and response.
response to be expected. A typical plot of calculated moments of the
response as a function of pellet dimensions is shown in Figure 4.11.
1.5
1.0
IJ/L 2
0.5
........ I ........... I ......... I ..........
0 0.5 1.0 ...... 1.5 2.0
VlSL
Figure 4.11 Moments of response as a function of pellet dimensions: #/L 2 plotted
against V/SL for the adsorption of butane on silica at 293 K and the
simultaneous diffusion of butane through the compressed pellet
(source: England and Thomas 1976).