a adsorption equilibrium constant (1/MPa)
\(c_{i}\) concentration of component i (mol/m3)
\(c_{\text{CO}}^{s}\) concentration of CO at the external surface of the pellet (mol/m3)
dp pore diameter (nm)
De,i effective diffusivity of component i in catalyst pellet (m2/s)
Di,g gas phase comprehensive diffusivity of component i in pellet (m2/s)
Di,k Knudsen diffusivity of component i in pore (m2/s)
Di,m gas phase molecular diffusivity of component i in bulk (m2/s)
Di,j binary gas phase diffusivity (m2/s)
f kinetic correction factor
F filling factor
k reaction rate constant (mol/s·kg·MPa2)
\(k_{\alpha}\) parameter for chain growth factor model
L character diffusion length of the catalyst pellet (m)
Mi molecular weight of component i
P total pressure (MPa)
Pi partial pressure for component i (MPa)
\(r\) distance to the center of the pellet (mm)
\(r_{p}\) pellet radius (mm)
\(R_{p}\) pore radius (mm)
R universal gas constant (J/mol·K)
\(R_{\text{CO}}\) CO consumption rate (mol/kgcat·s)
Rco,total overall CO consumption rate per unit (mol/kgcat·s)
\(R_{\text{CO}}^{s}\) CO consumption rate at the external surface of the pellet (mol/kgcat·s)
\({\overline{R}}_{\text{CO}}\) dimensionless reaction rate of CO
Re Reynolds number
Sc Schmidt number
\(S_{C_{5+}}\) selectivity of C5+ components (%)
\(\text{STY}_{C_{5+}}\) space-time yield f C5+ (g/mLcat·h)
T temperature (K)
X conversion (%)
\(x\) dimensionless distance to the center of the pellet
\(y_{i}\) mole fraction of component i