Use of Physicochemical Parameters To Assess the Environmental Fate of Organic Pollutants: The Fugacity Model

Xavier Domènech , José Antonio Ayllón and José Peral
Departamento de Química, Universidad Autònoma de Barcelona, 08193 Bellaterra, Barcelona, Spain
J. Chem. Educ., 2006, 83 (2), p 237
DOI: 10.1021/ed083p237
Publication Date (Web): February 1, 2006
History, Education, and Documentation

Abstract

The use of physicochemical data to estimate the fate of chemical pollutants in environmental systems in an easy way is described. This application is presented to students in a series of labs in an environmental chemistry course, which is mainly focused on the chemical behavior of contaminants in the environment. Specifically, physicochemical parameters are used to determine the phase equilibrium distribution of a substance in a closed system. The model is applied to estimate the phase distribution of three organic pollutants, namely, pentachlorophenol, hexachlorobenzene, and hexachlorocyclohexane, in a defined environmental model system.

Keywords (Audience):

Second-Year Undergraduate

Keywords (Domain):

Environmental Chemistry

Keywords (Pedagogy):

Computer-Based Learning

Keywords (Subject):

Agricultural Chemistry
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  • Received: August 03, 2009

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