Sym | Comment | Sym | Comment |
β | Affinity coefficient in D. A equation | ra | Inner radius of absorber |
ε | Volume of the empty space between the carbon pellets in relation to total volume | rb | Outer radius of absorber |
ρc | Activated carbon density | Rp | Carbon particle radius |
µ | Coefficient of viscosity | t | Time |
Cg | Gas concentration | T | Temperature |
D0 | Diffusion coefficient | Uads | Adsorption energy |
Ea | Activation energy | Uc | Internal energy of activated carbon |
hg | Enthalpy of gas | Ug | Internal energy of gas |
Kd | Darcy’s coefficient | Umet | Internal energy of methanol |
Keff | Conduction coefficient of carbon with adsorbed methanol | v | Gas velocity |
n | Characteristic parameter of adsorption pair | X | Methanol concentration on activated carbon |
P | Gas pressure | X0 | Maximun adsorption capacity |
P0 | Saturation pressure of methanol | Xeq | Equilibrium concentration of methanol |
r | Radius |
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