A General Model for the Simulation of Multi-Component Adsorption from a Finite Bath
General equations are presented to describe multi-component adsorption from a finite bath onto adsorbent particles. External film resistance and diffusional resistance within the particle are both included. Transport within the particle can be by pore or solid diffusion or both. Orthogonal collocation was used to solve the equations for two component adsorption onto uniform spherical particles for the two cases of pore and solid diffusion. In certain circumstances, the concentration profiles within the particles can show a displacement effect. by superposition of model predictions onto experimental results of Balzli  estimates were made of pore and solid diffusion within carbon particles. In one case studied, the estimated values of solid diffusivities were less sensitive to changes in the initial bath concentrations than the pore diffusivities.
A. I. Liapis and D. W. Rippin, "A General Model for the Simulation of Multi-Component Adsorption from a Finite Bath," Chemical Engineering Science, Elsevier, Jan 1977.
Chemical and Biochemical Engineering
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