Page 184 - Pressure Swing Adsorption

158 PRESSURE SWJNG ADSORPTION EQUILIBRIUM THEORY 159
2 ~~'7

q*=lO; k=l
p 0.01 V)
Q)
~
(atm) :J
"'
4 "'
Q)
~
Q.
"' p
~ 1
e c b
0
.cii
2 C j
Q)
E
0 a
15.0
0 L....-~--'--~--'--~--'--~--'--_.-__, O ~~~~~~1~--'--'~~--'--'~2
0.0 0.2 0.4 0.6 0.8 1.0
X TJ

(a) ial

1.0 .----------------------,
<J)
o.s L----__::..:.:~---- 1 ~ p
Q)
15.0
:,
<J)
e <J)
Q)
0.
0.8 ~ <J) b
2.4 ~ 0.5
C
0
0,7 ·;;;
t _____ l.O C
Q)
-------1 E
0.6 0
a
0 ~-'-L..L.--'--'~.L....L-'-L..L.--'--'~.L....L-'--LJ
1 2
0.2 0.4 0.6 0.8 1.0
X TJ
(/>) (I>)
Figure 4.25 TheoretJcai profiles of-(a) reduced total pressure and (b) mole fraction Figure 4.26 Theoretical profiles of total pressure ( fJ ), mofo fraction of 0., ( a) and
of the more strOngly adsorbed component (yA) during blowdown of an adsorbent 1,ed. mole fraction of N 2 (b) durmg pressunzat1on and hlowdown of a 5A zeOlite bed
l\1 ""5 utm, PL= 1 atm, Yo= 0.5, K = W (linear isotherm), O = dimensionless lime. equilibrated with air, calculated from the analytic solution, (From Scott,:i 11 with
(From Lu ct al., 35 with perm1ss1on.) permission.)