Environmental Engineering Reference
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Figure 4.26: Simulation of catalyst aging (pore volume of catalyst A, B and C was 0.44, 0.60
and 0.79mL/g, respectively) [From ref. 286 . Reprinted with permission].
reactor level. Under such conditions, the wetting of catalyst surface ensured that the reactions
occurred in the liquid phase. The variables such as liquid holdup, superficial liquid velocity,
bed height and diameter, reactor volume and catalyst volume were incorporated in the
mathematical equations in addition to all parameters used on the active phase and single
particle level. The plug flow transport through the reactor assumed for the study ensured an
Table 4.4: Properties of catalysts [From ref. 286 . Reprinted with permission].
Catalyst
A
B
C
Ni-Co-Mo
Co-Mo
Co-Mo
Pore volume (mL/g)
0.44
0.60
0.79
Surface area (m 2 /g)
280
155
341
Particle diameter (mm)
1.16
1.34
1.59
 
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