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Evaluation of the potential for the natural attenuation of hexavalent chromium within a sub-wetland ground water

Nikolaidis Nikolaos, Lucas A Hellerich, Gregory M Dobbs

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/2CCFAFBE-816D-40D4-B10B-25D9C2BDC831-
Αναγνωριστικόhttps://doi.org/10.1016/j.jenvman.2007.07.032-
Γλώσσαen-
ΤίτλοςEvaluation of the potential for the natural attenuation of hexavalent chromium within a sub-wetland ground wateren
ΔημιουργόςNikolaidis Nikolaosen
ΔημιουργόςΝικολαιδης Νικολαοςel
ΔημιουργόςLucas A Hellerichen
ΔημιουργόςGregory M Dobbsen
ΕκδότηςElsevieren
ΠερίληψηIn this work, the potential for natural attenuation (NA) of Cr(VI) is evaluated for sub-wetland ground water at a chromium-contaminated site in Connecticut, incorporating the experimental findings of previous work at the site. Experimental data is assessed through long-term attenuation capacity calculations and modeling, which incorporates statistical uncertainty of parametric values. The NA evaluation yielded the following results: (1) Significant increases in Cr(VI) concentration and extremely long chromium source dissolution timeframes are required to exceed the attenuation capacity of the sub-wetland region soils studied in this work; and (2) Based on the 1-D transport modeling and incorporating input parameter uncertainty, there is an approximately 92% and 98% probability that the applicable regulatory criteria will not be exceeded at Point C, near a river which serves as the receptor, for the cases of (1) sorption of Cr(VI) only and (2) pseudo first order disappearance of Cr(VI) from the aqueous phase only, respectively. en
ΤύποςPeer-Reviewed Journal Publicationen
ΤύποςΔημοσίευση σε Περιοδικό με Κριτέςel
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-10-22-
Ημερομηνία Δημοσίευσης2008-
Βιβλιογραφική ΑναφοράHellerich L.A., N.P. Nikolaidis and G.M. Dobbs, "Evaluation of the potential for the natural attenuation of hexavalent chromium within a sub-wetland ground water" Journal of Environmental Management, Vol. 88, no. 4, pp. 1513-1524, Oct. 2008. DOI: 10.1016/j.jenvman.2007.07.032en

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