Adsorption of phthalate esters on soil at near saturation conditions

J. G. Hunter; C. G. Uchrin

doi:10.1080/10934520009377051

Adsorption of phthalate esters on soil at near saturation conditions

J. G. Hunter, C. G. Uchrin

School of Environmental and Biological Sciences, Environmental Science

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

10 Scopus citations

Abstract

Batch studies were performed to determine the adsorption behavior of dimethyl phthalate ester and diethyl phthalate ester on two sandy New Jersey soils at near saturation conditions. One soil had a very low organic matter content (<0.012%) while the other was quite higher (1.33%). Both esters displayed BET type adsorption to the high organic content soil, while little adsorption was displayed to the low organic matter soil. Linear, Langmuir, Freundlich, BET, and a composite isotherm proposed by Marinas and Li were fitted to the data. The composite isotherm fir best in all cases. The diethyl phthalate evidence a greater tendency to adsorb than the dimethyl phthalate.

Original language	English (US)
Pages (from-to)	1503-1515
Number of pages	13
Journal	Journal of Environmental Science and Health - Part A Toxic/Hazardous Substances and Environmental Engineering
Volume	35
Issue number	9
DOIs	https://doi.org/10.1080/10934520009377051
State	Published - Jan 1 2000

All Science Journal Classification (ASJC) codes

Environmental Engineering

Keywords

Adsorption
Groundwater
Phthalate esters

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AB - Batch studies were performed to determine the adsorption behavior of dimethyl phthalate ester and diethyl phthalate ester on two sandy New Jersey soils at near saturation conditions. One soil had a very low organic matter content (<0.012%) while the other was quite higher (1.33%). Both esters displayed BET type adsorption to the high organic content soil, while little adsorption was displayed to the low organic matter soil. Linear, Langmuir, Freundlich, BET, and a composite isotherm proposed by Marinas and Li were fitted to the data. The composite isotherm fir best in all cases. The diethyl phthalate evidence a greater tendency to adsorb than the dimethyl phthalate.

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