Sym

Comment

Sym

Comment

β

Affinity coefficient in D. A equation

r_a

Inner radius of absorber

ε

Volume of the empty space between the carbon pellets in relation to total volume

r_b

Outer radius of absorber

ρ_c

Activated carbon density

R_p

Carbon particle radius

µ

Coefficient of viscosity

t

Time

C_g

Gas concentration

T

Temperature

D₀

Diffusion coefficient

U_ads

Adsorption energy

E_a

Activation energy

U_c

Internal energy of activated carbon

h_g

Enthalpy of gas

U_g

Internal energy of gas

K_d

Darcy’s coefficient

U_met

Internal energy of methanol

K_eff

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

X_eq

Equilibrium concentration of methanol

r

Radius