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Title: Sorption and transport of polynuclear aromatic hydrocarbons in low-carbon aquifer materials. Final report, Jan 88-Jan 89

Abstract

Sorption studies of polycyclic aromatic hydrocarbons (PAH) on low-carbon aquifer materials are reported. Both column and batch partition coefficients (Kd) were affected by synthetic polymeric components, such as Teflon, in commonly used experimental apparatus. These influences include incorrect estimates for Kd and tailing of peaks in column studies. Both batch and column experimental methods are developed, using polymer-free systems, that allow accurate measurement of Kds for hydrophobic PAHs in low carbon systems. Application of these methods shows that organic carbon contents below the commonly cited threshold level of 0.1 percent may dominate the partitioning and subsequent transport of phenanthrene in aquifer systems. Calculated Kd values from batch and column (temporal first moment) techniques did not agree. Reasons for the disparity in the results from these methods are discussed. Column results may be described using the batch Kd and two adjustable fitting parameters representing variables in a two-side kinetic model.

Authors:
Publication Date:
Research Org.:
Cornell Univ., Ithaca, NY (United States). Dept. of Civil and Environmental Engineering
OSTI Identifier:
6030491
Report Number(s):
AD-A-242895/1/XAB
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
54 ENVIRONMENTAL SCIENCES; AQUIFERS; CONTAMINATION; CARBON; SORPTIVE PROPERTIES; PHENANTHRENE; ENVIRONMENTAL TRANSPORT; SORPTION; POLYMERS; ACCURACY; COLLOIDS; INTERFERENCE; MATHEMATICAL MODELS; WATER POLLUTION; AROMATICS; CONDENSED AROMATICS; DISPERSIONS; ELEMENTS; HYDROCARBONS; MASS TRANSFER; NONMETALS; ORGANIC COMPOUNDS; POLLUTION; SURFACE PROPERTIES; 540320* - Environment, Aquatic- Chemicals Monitoring & Transport- (1990-)

Citation Formats

Lion, L W. Sorption and transport of polynuclear aromatic hydrocarbons in low-carbon aquifer materials. Final report, Jan 88-Jan 89. United States: N. p., 1990. Web.
Lion, L W. Sorption and transport of polynuclear aromatic hydrocarbons in low-carbon aquifer materials. Final report, Jan 88-Jan 89. United States.
Lion, L W. 1990. "Sorption and transport of polynuclear aromatic hydrocarbons in low-carbon aquifer materials. Final report, Jan 88-Jan 89". United States.
@article{osti_6030491,
title = {Sorption and transport of polynuclear aromatic hydrocarbons in low-carbon aquifer materials. Final report, Jan 88-Jan 89},
author = {Lion, L W},
abstractNote = {Sorption studies of polycyclic aromatic hydrocarbons (PAH) on low-carbon aquifer materials are reported. Both column and batch partition coefficients (Kd) were affected by synthetic polymeric components, such as Teflon, in commonly used experimental apparatus. These influences include incorrect estimates for Kd and tailing of peaks in column studies. Both batch and column experimental methods are developed, using polymer-free systems, that allow accurate measurement of Kds for hydrophobic PAHs in low carbon systems. Application of these methods shows that organic carbon contents below the commonly cited threshold level of 0.1 percent may dominate the partitioning and subsequent transport of phenanthrene in aquifer systems. Calculated Kd values from batch and column (temporal first moment) techniques did not agree. Reasons for the disparity in the results from these methods are discussed. Column results may be described using the batch Kd and two adjustable fitting parameters representing variables in a two-side kinetic model.},
doi = {},
url = {https://www.osti.gov/biblio/6030491}, journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Dec 01 00:00:00 EST 1990},
month = {Sat Dec 01 00:00:00 EST 1990}
}

Technical Report:
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