Page 79 - Adsorbents fundamentals and applications
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64 PORE SIZE DISTRIBUTION
Sorbent Sorbent
surface Adsorbate layers surface
L
A B A d S
d S
d A d A
d A
d 0
d 0
(L − d S )
Free space
Figure 4.3. Three layers of adsorbate molecules in a slit-shaped adsorbent pore of width L
(Rege and Yang, 2000, with permission).
Sorbent Sorbent
surface Adsorbate layers surface
L
d S
A A d S
B
d A
d A d A
B
A A
d 0
d 0
(L − d S )
Free space
Figure 4.4. Possible configuration of adsorbate molecules in a slit-shaped adsorbent pore
measuring between 2 to 3 adsorbate molecular diameters in width (Rege and Yang, 2000,
with permission).