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Packed-bed adsorption theories and their applications to affinity chromatography

Conference paper
Part of the Advances in Biochemical Engineering book series (ABE, volume 25)

Keywords

Affinity Chromatography Mass Transfer Coefficient Plate Theory Rate Theory Mass Transfer Resistance 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Table of symbols

a

interfacial area of solid phase per unit interstitial void volume

C

concentration of adsorbate in the interparticle void space

Ci

concentration of adsorbate in the intraparticle pore space

Co

feed concentration

C*

concentration of adsorbate at the interface (Eq. 11)

De

effective particle-phase diffusivity in homogeneous solid model (Eq. 4)

Dp

particle-phase diffusivity

Dx

axial dispersion coefficient

Dp

diameter of solid particles

H

height equivalent to a theoretical plate (HETP) in the plate model

h

reduced H, h=H/dp

Kf

overall coefficient of mass transfer for fluid phase

Kf

the constant corresponding to the mass transfer coefficient in the fluid side (Eq. 11)

Kp

the constant corresponding to the mass transfer coefficient in the particle side (Eq. 10)

k

rate constants (Eqs. 2, 8, 9)

q

solid-phase concentration of the adsorbed material per unit mass of particle

qm

the adsorption capacity of the adsorbent or the maximum value of q

q0

value of q at equilibrium with feed concentration C0

q

average concentration within the particle

q*

value of q at the interface

R

rate of interfacial mass transfer per unit interstitial void volume

rs

particle radius

t

time

v

interstitial velocity or linear velocity of fluid

x

axial distance along bed

ɛ

interparticle void fraction

ɛi

intraparticle void fraction

ϱ;b

bed density, mass of packing per unit bed volume

ϱ;p

particle density

ν

reduced velocity, ν=vdpD

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Copyright information

© Springer-Verlag 1982

Authors and Affiliations

  1. 1.Laboratory of Renewable Resources EngineeringPurdue University West LafayetteUSA

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