Desorption kinetics of volatile organic contaminants from aquifer materials

P. Grathwohl, James Farrell, M. Reinhard

Research output: Chapter in Book/Report/Conference proceedingChapter

6 Citations (Scopus)

Abstract

Sorption and desorption of volatile, halogenated hydrocarbons from aquifer material are investigated using a frontal gas chromatography technique. One of the aquifer materials studied was silty sand with 0.15% organic C from the Santa Clara Valley, California; the other was a fine grained sand containing 0.02% organic C from Borden, Ontario. The time to recover 90% of the hydrocarbon was significantly higher for the water containing samples than for the dry solids despite the fact that the dry solids sorbed much more strongly. These findings suggest that mass transfer limitations are due to diffusion through the aqueous phase in the intraparticle domain, and that remediation of contaminated soil using soil air extraction techniques is typically operated under nonequilibrium conditions. Removal of the solid-bound contaminants is much slower than the concentration decrease in the mobile phase. -from Authors

Original languageEnglish (US)
Title of host publicationContaminated soil '90. Third KfK/TNO conference, Karlsruhe, 1990. Vol. I
EditorsF. Arendt
PublisherKluwer
Pages343-350
Number of pages8
StatePublished - 1991
Externally publishedYes

Fingerprint

desorption
aquifer
kinetics
pollutant
halogenated hydrocarbon
sand
soil air
mass transfer
gas chromatography
remediation
sorption
hydrocarbon
valley
material
water
removal
contaminated soil

ASJC Scopus subject areas

  • Earth and Planetary Sciences(all)
  • Environmental Science(all)

Cite this

Grathwohl, P., Farrell, J., & Reinhard, M. (1991). Desorption kinetics of volatile organic contaminants from aquifer materials. In F. Arendt (Ed.), Contaminated soil '90. Third KfK/TNO conference, Karlsruhe, 1990. Vol. I (pp. 343-350). Kluwer.

Desorption kinetics of volatile organic contaminants from aquifer materials. / Grathwohl, P.; Farrell, James; Reinhard, M.

Contaminated soil '90. Third KfK/TNO conference, Karlsruhe, 1990. Vol. I. ed. / F. Arendt. Kluwer, 1991. p. 343-350.

Research output: Chapter in Book/Report/Conference proceedingChapter

Grathwohl, P, Farrell, J & Reinhard, M 1991, Desorption kinetics of volatile organic contaminants from aquifer materials. in F Arendt (ed.), Contaminated soil '90. Third KfK/TNO conference, Karlsruhe, 1990. Vol. I. Kluwer, pp. 343-350.
Grathwohl P, Farrell J, Reinhard M. Desorption kinetics of volatile organic contaminants from aquifer materials. In Arendt F, editor, Contaminated soil '90. Third KfK/TNO conference, Karlsruhe, 1990. Vol. I. Kluwer. 1991. p. 343-350
Grathwohl, P. ; Farrell, James ; Reinhard, M. / Desorption kinetics of volatile organic contaminants from aquifer materials. Contaminated soil '90. Third KfK/TNO conference, Karlsruhe, 1990. Vol. I. editor / F. Arendt. Kluwer, 1991. pp. 343-350
@inbook{094ff4b22ff0426b837dc0b75ae42875,
title = "Desorption kinetics of volatile organic contaminants from aquifer materials",
abstract = "Sorption and desorption of volatile, halogenated hydrocarbons from aquifer material are investigated using a frontal gas chromatography technique. One of the aquifer materials studied was silty sand with 0.15{\%} organic C from the Santa Clara Valley, California; the other was a fine grained sand containing 0.02{\%} organic C from Borden, Ontario. The time to recover 90{\%} of the hydrocarbon was significantly higher for the water containing samples than for the dry solids despite the fact that the dry solids sorbed much more strongly. These findings suggest that mass transfer limitations are due to diffusion through the aqueous phase in the intraparticle domain, and that remediation of contaminated soil using soil air extraction techniques is typically operated under nonequilibrium conditions. Removal of the solid-bound contaminants is much slower than the concentration decrease in the mobile phase. -from Authors",
author = "P. Grathwohl and James Farrell and M. Reinhard",
year = "1991",
language = "English (US)",
pages = "343--350",
editor = "F. Arendt",
booktitle = "Contaminated soil '90. Third KfK/TNO conference, Karlsruhe, 1990. Vol. I",
publisher = "Kluwer",

}

TY - CHAP

T1 - Desorption kinetics of volatile organic contaminants from aquifer materials

AU - Grathwohl, P.

AU - Farrell, James

AU - Reinhard, M.

PY - 1991

Y1 - 1991

N2 - Sorption and desorption of volatile, halogenated hydrocarbons from aquifer material are investigated using a frontal gas chromatography technique. One of the aquifer materials studied was silty sand with 0.15% organic C from the Santa Clara Valley, California; the other was a fine grained sand containing 0.02% organic C from Borden, Ontario. The time to recover 90% of the hydrocarbon was significantly higher for the water containing samples than for the dry solids despite the fact that the dry solids sorbed much more strongly. These findings suggest that mass transfer limitations are due to diffusion through the aqueous phase in the intraparticle domain, and that remediation of contaminated soil using soil air extraction techniques is typically operated under nonequilibrium conditions. Removal of the solid-bound contaminants is much slower than the concentration decrease in the mobile phase. -from Authors

AB - Sorption and desorption of volatile, halogenated hydrocarbons from aquifer material are investigated using a frontal gas chromatography technique. One of the aquifer materials studied was silty sand with 0.15% organic C from the Santa Clara Valley, California; the other was a fine grained sand containing 0.02% organic C from Borden, Ontario. The time to recover 90% of the hydrocarbon was significantly higher for the water containing samples than for the dry solids despite the fact that the dry solids sorbed much more strongly. These findings suggest that mass transfer limitations are due to diffusion through the aqueous phase in the intraparticle domain, and that remediation of contaminated soil using soil air extraction techniques is typically operated under nonequilibrium conditions. Removal of the solid-bound contaminants is much slower than the concentration decrease in the mobile phase. -from Authors

UR - http://www.scopus.com/inward/record.url?scp=0026286539&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0026286539&partnerID=8YFLogxK

M3 - Chapter

SP - 343

EP - 350

BT - Contaminated soil '90. Third KfK/TNO conference, Karlsruhe, 1990. Vol. I

A2 - Arendt, F.

PB - Kluwer

ER -