Sequestration of hydrophobic organic contaminants by geosorbents

Richard G. Luthy, George R. Aiken, Mark L. Brusseau, Scott D. Cunningham, Philip M. Gschwend, Joseph J. Pignatello, Martin Reinhard, Samuel J. Traina, Walter J. Weber, John C. Westall

Research output: Contribution to journalReview articlepeer-review

909 Scopus citations

Abstract

The chemical interactions of hydrophobic organic contaminants (HOCs) with soils and sediments (geosorbents) may result in strong binding and slow subsequent release rates that significantly affect remediation rates and endpoints. Certain manipulations of sorbates or sorbent media may help reveal sorption mechanisms, but mixed sorption phenomena complicate the interpretation of macroscopic data regarding diffusion of HOCs into and out of different matrices and the hysteretic sorption and aging effects for geosorbents. Analytical characterizations at the microscale, and mechanistic models are needed to advance scientific knowledge of HOC sequestration, release and environmental risk.

Original languageEnglish (US)
Pages (from-to)3341-3347
Number of pages7
JournalEnvironmental Science and Technology
Volume31
Issue number12
DOIs
StatePublished - Dec 1997

ASJC Scopus subject areas

  • Chemistry(all)
  • Environmental Chemistry

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