Effect of natural organic matter on adsorption of ionic and non-ionic pharmaceuticals to granular activated carbon

Heekyong Oh; Taro Urase; Dat Simazaki; Hyunook Kim

doi:10.5277/epe130402

Effect of natural organic matter on adsorption of ionic and non-ionic pharmaceuticals to granular activated carbon

Heekyong Oh, Taro Urase, Dat Simazaki, Hyunook Kim

School of Environmental Engineering

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

5 Scopus citations

Abstract

Adsorption of clofibric acid (CA) and propyphenazone (PPZ) to virgin granular activated carbon (GAC) and preloaded GAC was evaluated in the absence or presence of natural organic matter (NOM). In spite of lower log K _ow, PPZ showed higher selectivity to GAC than CA, which has a carboxylic group. Adsorption competition between CA and PPZ in binary solutes system decreased the amount of individual compound adsorbed to GAC. Adsorption isotherm data obtained in the presence of NOM showed that NOM in bulk solution or preloaded on GAC could significantly reduce the amounts of CA and PPZ adsorbed to GAC.

Original language	English
Pages (from-to)	15-28
Number of pages	14
Journal	Environmental Protection Engineering
Volume	39
Issue number	4
DOIs	https://doi.org/10.5277/epe130402
State	Published - 2013

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abstract = "Adsorption of clofibric acid (CA) and propyphenazone (PPZ) to virgin granular activated carbon (GAC) and preloaded GAC was evaluated in the absence or presence of natural organic matter (NOM). In spite of lower log K ow, PPZ showed higher selectivity to GAC than CA, which has a carboxylic group. Adsorption competition between CA and PPZ in binary solutes system decreased the amount of individual compound adsorbed to GAC. Adsorption isotherm data obtained in the presence of NOM showed that NOM in bulk solution or preloaded on GAC could significantly reduce the amounts of CA and PPZ adsorbed to GAC.",

author = "Heekyong Oh and Taro Urase and Dat Simazaki and Hyunook Kim",

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AU - Oh, Heekyong

AU - Urase, Taro

AU - Simazaki, Dat

AU - Kim, Hyunook

PY - 2013

Y1 - 2013

N2 - Adsorption of clofibric acid (CA) and propyphenazone (PPZ) to virgin granular activated carbon (GAC) and preloaded GAC was evaluated in the absence or presence of natural organic matter (NOM). In spite of lower log K ow, PPZ showed higher selectivity to GAC than CA, which has a carboxylic group. Adsorption competition between CA and PPZ in binary solutes system decreased the amount of individual compound adsorbed to GAC. Adsorption isotherm data obtained in the presence of NOM showed that NOM in bulk solution or preloaded on GAC could significantly reduce the amounts of CA and PPZ adsorbed to GAC.

AB - Adsorption of clofibric acid (CA) and propyphenazone (PPZ) to virgin granular activated carbon (GAC) and preloaded GAC was evaluated in the absence or presence of natural organic matter (NOM). In spite of lower log K ow, PPZ showed higher selectivity to GAC than CA, which has a carboxylic group. Adsorption competition between CA and PPZ in binary solutes system decreased the amount of individual compound adsorbed to GAC. Adsorption isotherm data obtained in the presence of NOM showed that NOM in bulk solution or preloaded on GAC could significantly reduce the amounts of CA and PPZ adsorbed to GAC.

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VL - 39

SP - 15

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JO - Environmental Protection Engineering

JF - Environmental Protection Engineering

IS - 4

ER -

Effect of natural organic matter on adsorption of ionic and non-ionic pharmaceuticals to granular activated carbon

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