Effect of Divalent Metal Cations on Contaminant Removal by Bicarbonate-Form Anion Exchange Resin

Christopher A. Rokicki; Treavor H. Boyer

doi:10.1080/01496395.2015.1056358

Effect of Divalent Metal Cations on Contaminant Removal by Bicarbonate-Form Anion Exchange Resin

Christopher A. Rokicki, Treavor H. Boyer

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

1 Scopus citations

Abstract

This work investigated the role of divalent metal cations (Mg²⁺, Ca²⁺, and Cd²⁺) and subsequent precipitation or complexation on decreased contaminant removal by bicarbonate-form anion exchange resin (AER-HCO₃) relative to chloride-form AER (AER-Cl). The results showed that the removal of dissolved organic carbon and nitrate was lower for AER-HCO₃ than AER-Cl, and contaminant removal by AER-HCO₃ was affected by the presence of metal cation. For instance, magnesium and cadmium exhibited the greatest and least interference, respectively, with contaminant removal by AER-HCO₃.

Original language	English (US)
Pages (from-to)	2284-2294
Number of pages	11
Journal	Separation Science and Technology (Philadelphia)
Volume	50
Issue number	15
DOIs	https://doi.org/10.1080/01496395.2015.1056358
State	Published - Oct 13 2015
Externally published	Yes

Keywords

fouling
magnetic ion exchange (MIEX)
natural organic matter (NOM)

ASJC Scopus subject areas

General Chemistry
General Chemical Engineering
Process Chemistry and Technology
Filtration and Separation

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10.1080/01496395.2015.1056358

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title = "Effect of Divalent Metal Cations on Contaminant Removal by Bicarbonate-Form Anion Exchange Resin",

abstract = "This work investigated the role of divalent metal cations (Mg2+, Ca2+, and Cd2+) and subsequent precipitation or complexation on decreased contaminant removal by bicarbonate-form anion exchange resin (AER-HCO3) relative to chloride-form AER (AER-Cl). The results showed that the removal of dissolved organic carbon and nitrate was lower for AER-HCO3 than AER-Cl, and contaminant removal by AER-HCO3 was affected by the presence of metal cation. For instance, magnesium and cadmium exhibited the greatest and least interference, respectively, with contaminant removal by AER-HCO3.",

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AU - Boyer, Treavor H.

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AB - This work investigated the role of divalent metal cations (Mg2+, Ca2+, and Cd2+) and subsequent precipitation or complexation on decreased contaminant removal by bicarbonate-form anion exchange resin (AER-HCO3) relative to chloride-form AER (AER-Cl). The results showed that the removal of dissolved organic carbon and nitrate was lower for AER-HCO3 than AER-Cl, and contaminant removal by AER-HCO3 was affected by the presence of metal cation. For instance, magnesium and cadmium exhibited the greatest and least interference, respectively, with contaminant removal by AER-HCO3.

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KW - natural organic matter (NOM)

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Effect of Divalent Metal Cations on Contaminant Removal by Bicarbonate-Form Anion Exchange Resin

Abstract

Keywords

ASJC Scopus subject areas

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