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Modeling of contaminant transport resulting from dissolution of nonaqueous phase liquid pools in saturated porous media

Evangelos A. Voudrias

Πλήρης Εγγραφή


URI: http://purl.tuc.gr/dl/dias/E61DCD5B-FDCA-4685-88FF-E3DCDF48F329
Έτος 1994
Τύπος Δημοσίευση σε Περιοδικό με Κριτές
Άδεια Χρήσης
Λεπτομέρειες
Βιβλιογραφική Αναφορά C. V. Chrysikopoulos,E. A. Voudrias,M. M. Fyrillas,"Modeling of Contaminant Transport Resulting from Dissolution of Nonaqueous Phase Liquid Pools in Saturated Porous Media " Trans. in Por. Med.,vol. 16,no. 2,pp.125-145, 1994.doi10.1007/BF00617548 https://doi.org/10.1007/BF00617548
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Περίληψη

A mathematical model for transient contaminant transport resulting from the dissolution of asingle component nonaqueous phase liquid (NAPL) pool in two-dimensional, saturated, homogeneousporous media was developed. An analytical solution was derived for a semi-infinite medium underlocal equilibrium conditions accounting for solvent decay. The solution was obtained by takingLaplace transforms to the equations with respect to time and Fourier transforms with respect tothe longitudinal spatial coordinate. The analytical solution is given in terms of a single integralwhich is easily determined by numerical integration techniques. The model is applicable to bothdenser and lighter than water NAPL pools. The model successfully simulated responses of a 1,1,2-trichloroethane (TCA) pool at the bottom of a two-dimensional porous medium under controlledlaboratory conditions.

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