1982
DOI: 10.1002/aic.690280510
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Numerical solution of liquid‐phase multicomponent adsorption in fixed beds

Abstract: A generalized mathematical model is developed to describe the process of multicomponent adsorption on activated carbon in fixed beds. Numerical, finite difference, solutions for the adsorption of binary, and ternary organic mixtures are shown to satisfactorily match previously published experimental data.

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Cited by 47 publications
(18 citation statements)
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“…The finite difference method is a simple numerical procedure that can be directly applied to the solution of the entire model [42,44]. The finite difference method is a simple numerical procedure that can be directly applied to the solution of the entire model [42,44].…”
Section: Numerical Solutionsmentioning
confidence: 99%
See 1 more Smart Citation
“…The finite difference method is a simple numerical procedure that can be directly applied to the solution of the entire model [42,44]. The finite difference method is a simple numerical procedure that can be directly applied to the solution of the entire model [42,44].…”
Section: Numerical Solutionsmentioning
confidence: 99%
“…This reflects that the dimensionless hold-up capacity of each component in the column is lower compared to the corresponding pure component case. 44 5.3.…”
Section: S21 Displacement Modementioning
confidence: 99%
“…A number of investigators have applied the pore diffusion model in conjunction with film resistance and various equilibrium expressions (38). It has been found, however, that pore diffusion coefficients calculated according to this model are frequently larger than corresponding free-liquid diffusivities.…”
Section: =Omentioning
confidence: 99%
“…The mathematical analysis of nonlinear chromatography was studied by many authors including: Houghton (1963) on the effects of a polynomial isotherm on the shape of chromatographic response peaks with an infinite adsorption rate; Tien andThodos (1959, 1965) on ion exchange and adsorption kinetics in chromatography with the Freundlich isotherm equation; and Garg and Ruthven (1972) on computing the theoretical breakthrough curves for a molecular sieve chromatographic column using the pore diffusion model with the Langmuir isotherm equation. Many other nonlinear models using either the Langmuir equation or the Freundlich equation have also been reported for the adsorption of single-or multicomponent liquids in activated carbon chromatographic columns (Liapis and Rippin, 1978;Weber and Liu, 1980;Mansour et al, 1982;Seidel and Gelbin, 1986). However, previous studies on the nonlinear chromatography focused mainly on the prediction of breakthrough curves and the design of adsorbers for purifications.…”
Section: Introductionmentioning
confidence: 99%