Nonlinear Equilibrium and Axial Mixing Effects in Intraparticle Diffusion-Controlled Sorption by Ion Exchange Resin Beds: Experimental Study

CJ COLWELL CJ; JS DRANOFF JS

doi:10.1021/i160037a012

Nonlinear Equilibrium and Axial Mixing Effects in Intraparticle Diffusion-Controlled Sorption by Ion Exchange Resin Beds: Experimental Study

CJ COLWELL CJ, JS DRANOFF JS^*

^*Corresponding author for this work

Chemical and Biological Engineering

Research output: Contribution to journal › Article › peer-review

8 Scopus citations

Abstract

The effects of slightly nonlinear equilibria and axial dispersion on the performance of a packed bed of ion exchange resin used for the sorption of nonelectrolytes were studied. Experiments with dilute aqueous solutions of acetone and ethylene glycol show that these effects lead to false estimates of the intraparticle diffusivity of the solute within the resin beads when a linear model is used to analyze the data. However, predictions based on a representative computer model are in close agreement with data.

Original language	English (US)
Pages (from-to)	65-70
Number of pages	6
Journal	Industrial and Engineering Chemistry Fundamentals
Volume	10
Issue number	1
DOIs	https://doi.org/10.1021/i160037a012
State	Published - 1971

ASJC Scopus subject areas

Engineering(all)

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title = "Nonlinear Equilibrium and Axial Mixing Effects in Intraparticle Diffusion-Controlled Sorption by Ion Exchange Resin Beds: Experimental Study",

abstract = "The effects of slightly nonlinear equilibria and axial dispersion on the performance of a packed bed of ion exchange resin used for the sorption of nonelectrolytes were studied. Experiments with dilute aqueous solutions of acetone and ethylene glycol show that these effects lead to false estimates of the intraparticle diffusivity of the solute within the resin beads when a linear model is used to analyze the data. However, predictions based on a representative computer model are in close agreement with data.",

author = "{COLWELL CJ}, CJ and {DRANOFF JS}, JS",

year = "1971",

doi = "10.1021/i160037a012",

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PY - 1971

Y1 - 1971

N2 - The effects of slightly nonlinear equilibria and axial dispersion on the performance of a packed bed of ion exchange resin used for the sorption of nonelectrolytes were studied. Experiments with dilute aqueous solutions of acetone and ethylene glycol show that these effects lead to false estimates of the intraparticle diffusivity of the solute within the resin beads when a linear model is used to analyze the data. However, predictions based on a representative computer model are in close agreement with data.

AB - The effects of slightly nonlinear equilibria and axial dispersion on the performance of a packed bed of ion exchange resin used for the sorption of nonelectrolytes were studied. Experiments with dilute aqueous solutions of acetone and ethylene glycol show that these effects lead to false estimates of the intraparticle diffusivity of the solute within the resin beads when a linear model is used to analyze the data. However, predictions based on a representative computer model are in close agreement with data.

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Nonlinear Equilibrium and Axial Mixing Effects in Intraparticle Diffusion-Controlled Sorption by Ion Exchange Resin Beds: Experimental Study

Abstract

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