Simple modeling of Donnan separation processes: single and multicomponent feed solutions

David Hasson; Shiran Ring; Raphael Semiat; Hilla Shemer

doi:10.1080/01496395.2019.1586729

Simple modeling of Donnan separation processes: single and multicomponent feed solutions

David Hasson^*, Shiran Ring, Raphael Semiat, Hilla Shemer

^*Corresponding author for this work

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

3 Scopus citations

Abstract

Simplified engineering models are presented, characterizing Donnan dialysis separations of a single and multicomponent feed solutions by an overall transport coefficient combining mass transfer resistance and membrane diffusion resistance. Full verification of the predictions of the derived models was obtained from experimental data measured at various Reynolds numbers and feed solution concentrations using a NaCl stripping solution. Permeating target ions from single component feed solutions consisted of H₂PO₄ ⁻, NO₃ ⁻, and HCO₃ ⁻. Dual component permeation was from feed solutions of the ion pairs H₂PO₄ ⁻/NO₃ ⁻, and NO₃ ⁻/HCO₃ ⁻. Permeation of all ions except the H₂PO₄ ⁻ ion was found to be mass transfer controlled.

Original language	English
Pages (from-to)	1216-1226
Number of pages	11
Journal	Separation Science and Technology
Volume	55
Issue number	6
DOIs	https://doi.org/10.1080/01496395.2019.1586729
State	Published - 12 Apr 2020
Externally published	Yes

Keywords

Donnan dialysis
ion exchange membrane
mass transfer
membrane diffusion

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10.1080/01496395.2019.1586729

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title = "Simple modeling of Donnan separation processes: single and multicomponent feed solutions",

abstract = "Simplified engineering models are presented, characterizing Donnan dialysis separations of a single and multicomponent feed solutions by an overall transport coefficient combining mass transfer resistance and membrane diffusion resistance. Full verification of the predictions of the derived models was obtained from experimental data measured at various Reynolds numbers and feed solution concentrations using a NaCl stripping solution. Permeating target ions from single component feed solutions consisted of H2PO4 −, NO3 −, and HCO3 −. Dual component permeation was from feed solutions of the ion pairs H2PO4 −/NO3 −, and NO3 −/HCO3 −. Permeation of all ions except the H2PO4 − ion was found to be mass transfer controlled.",

keywords = "Donnan dialysis, ion exchange membrane, mass transfer, membrane diffusion",

author = "David Hasson and Shiran Ring and Raphael Semiat and Hilla Shemer",

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T2 - single and multicomponent feed solutions

AU - Hasson, David

AU - Ring, Shiran

AU - Semiat, Raphael

AU - Shemer, Hilla

PY - 2020/4/12

Y1 - 2020/4/12

N2 - Simplified engineering models are presented, characterizing Donnan dialysis separations of a single and multicomponent feed solutions by an overall transport coefficient combining mass transfer resistance and membrane diffusion resistance. Full verification of the predictions of the derived models was obtained from experimental data measured at various Reynolds numbers and feed solution concentrations using a NaCl stripping solution. Permeating target ions from single component feed solutions consisted of H2PO4 −, NO3 −, and HCO3 −. Dual component permeation was from feed solutions of the ion pairs H2PO4 −/NO3 −, and NO3 −/HCO3 −. Permeation of all ions except the H2PO4 − ion was found to be mass transfer controlled.

AB - Simplified engineering models are presented, characterizing Donnan dialysis separations of a single and multicomponent feed solutions by an overall transport coefficient combining mass transfer resistance and membrane diffusion resistance. Full verification of the predictions of the derived models was obtained from experimental data measured at various Reynolds numbers and feed solution concentrations using a NaCl stripping solution. Permeating target ions from single component feed solutions consisted of H2PO4 −, NO3 −, and HCO3 −. Dual component permeation was from feed solutions of the ion pairs H2PO4 −/NO3 −, and NO3 −/HCO3 −. Permeation of all ions except the H2PO4 − ion was found to be mass transfer controlled.

KW - Donnan dialysis

KW - ion exchange membrane

KW - mass transfer

KW - membrane diffusion

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DO - 10.1080/01496395.2019.1586729

M3 - 文章

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JO - Separation Science and Technology

JF - Separation Science and Technology

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Simple modeling of Donnan separation processes: single and multicomponent feed solutions

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