Page 278 - Adsorption Technology & Design, Elsevier (1998)

Nomenclature

gradient of equation defined by equation (6.57)
number of molecules successfully condensing at surface per
unit time
ap
external surface area per unit volume of particle
external surface area of adsorbent particles per unit bed
av
volume
A area
A cross-sectional area of adsorption column
b constant in Langmuir isotherm
b intercept of equation defined by equation (6.59)
b Langmuir constant
b frequency of molecules leaving surface
pre-exponential factor in the van't Hoff equation
bo
B permeability coefficient
Bib (= hRp/k~) Biot number for heat transfer
Bim (= kRp/D~) Biot number for mass transfer
c concentration
concentration at breakthrough
Cb
CB adsorbate concentration out of a moving bed
threshold concentration for breakthrough
Ce
CE adsorbate concentration into a moving bed
Cf final concentration in stagewise contacting
Cf specific heat capacity of fluid
Ci concentration at fluid-solid interface
Co concentration of adsorbate in feed
Cp
concentration in exit from packed bed before breakthrough
Cres fluid phase concentration in equilibrium with residual loading
Cs specific heat capacity of adsorbent particle
interstage concentration
Cl