A General Model for the Simulation of Multi-Component Adsorption from a Finite Bath

Abstract

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 [18] 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.

Department(s)

Chemical and Biochemical Engineering

Keywords and Phrases

Adsorption; Separation

International Standard Serial Number (ISSN)

0009-2509

Document Type

Article - Journal

Document Version

Citation

File Type

text

Language(s)

English

Rights

© 1977 Elsevier, All rights reserved.

Publication Date

01 Jan 1977

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