**8. References**

662 Mass Transfer - Advanced Aspects

Eb - axial dispersion coefficient; 12TL <sup>−</sup> F - feed flow rate; 13TL <sup>−</sup> kf - film mass transfer coefficient; 1 LT<sup>−</sup> 1/Kf - global mass transfer resistance; T kp - equilibrium partition constant; - L - zone length; L q - intra-particle liquid phase concentration; ML<sup>−</sup><sup>3</sup> Q - zone flow rate; 13TL <sup>−</sup> R - raffinate flow rate; 13TL <sup>−</sup> R - average particle radius; L tP - switching period; T t0 - dead time; T u - SMB liquid superficial velocity; 1 LT<sup>−</sup> v - apparent adsorbent simulated velocity; 1 LT<sup>−</sup> V0 - dead volume; 3 L Y - recovery. -

β - mass transfer correction in the standing wave analysis; δ - adsorption velocity; ε - bed porosity; <sup>p</sup>ε - particle porosity; ψ - bed porosity ratio. -

A - pseudo-solute A (low-affinity); - B - pseudo-solute B (high-affinity); - D - desorbent; - E - extract; - F - feed; j - specie j; k - mass transfer zone k; - R - raffinate; - I, II, III, IV - mass transfer zones I, II, III, IV. -

E - extract; - F - feed; k - mass transfer zone k; -

R - raffinate; - I, II, III, IV - mass transfer zones I, II, III, IV. -

**Greek letters** 

**Subscripts** 

**Superscripts** 

max - maximum value;


**Part 6** 

**Advances in Chemical Engineering Aspects** 

