Transport mechanisms

Introduction
Molecular diffusion in a medium
Transfer accross phase boundaries
Examples for application
Advective and dispersive transport
References and links

Selftest
Problems

References and links

General information about transport:

(1) Schwarzenbach, R. P.; Gschwend, P. M.; Imboden, D. M. Environmental Organic Chemistry; 2. ed.; John Wiley & Sons: Hoboken, 2002.

(2) J. Crank, Mathematics of Diffusion.


Specific problems concerning transport of organic pollutants:

(3) Mayer, P.; Karlson, U.; Christensen, P. S.; Johnsen, A. R.; Trapp, S. Quantifying the effect of medium composition on the diffusive mass transfer of hydrophobic organic chemicals through unstirred boundary layers. Environ. Sci. Technol. 2005, 39, 6123-6129.
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(4) Trapp, S.; Cammarano, A.; Capri, E.; Reichenberg, F.; Mayer, P. Diffusion of PAH in potato and carrot slices and application for a potato model. Environ. Sci. Technol. 2007, 41, 3103-3108.
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(5) Mayer, P.; Fernqvist, M. M.; Christensen, P. S.; Karlson, U.; Trapp, S. Enhanced diffusion of polycyclic aromatic hydrocarhons in artificial and natural aqueous solutions. Environ. Sci. Technol. 2007, 41, 6148-6155.
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(6) Kwon, J. H.; Wuethrich, T.; Mayer, P.; Escher, B. I. Dynamic permeation method to determine partition coefficients of highly hydrophobic chemicals between poly(dimethylsiloxane) and water. Analytical Chemistry 2007, 79, 6816-6822.
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(7) Kwon, J. H.; Katz, L. E.; Liljestrand, H. M. Use of a parallel artificial membrane system to evaluate passive absorption and elimination in small fish. Environmental Toxicology And Chemistry 2006, 25, 3083-3092.
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(8) Grathwohl, P.; Reinhard, M. Desorption of Trichloroethylene in Aquifer Material: Rate Limitation at the Grain Scale. Environ. Sci. Technol. 1993, 27, 2360-2366.
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(9) Rügner, H.; Kleineidam, S.; Grathwohl, P. Long Term Sorption Kinetics of Phenantrene in Aquifer Materials. Environ. Sci. Technol. 1999, 33, 1645-1651.
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Links:

https://netfiles.uiuc.edu/valocchi/gw_applets/

http://www.ito.ethz.ch/filep/inhalt/index.php?seite=5100

 

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