Titlebook: Reactive Transport in Soil and Groundwater; Processes and Models Gunnar Nützmann,Paolo Viotti,Per Aagaard Book 2005 Springer-Verlag Berlin

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Transport of Cr(VI), Ni(II) and Mn(II) through metallurgical wastes. Batch and column experimentssts and miscible displacement column experiments. For the experiments, mine wastes from Moa (Cuba) composed by oxi(hydroxi) iron minerals and heavy metals deposited in tailing dams were used. The adsorption isotherms of the three metals are strongly non-linear and are well described by the Freundlic

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Modeling adsorption-desorption processes of Cu on montmorillonite and the effect of competitive adsoion model was employed in the analysis of the data. When the background electrolyte was NaClO4 the ionic interchange was suppressed at 0.5 M, and Cu adsorption was taking place on edge sites, reaching a plateau at about 24 mmol/kg. A further increase in ionic strength did not make any effect on Cu a

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Natural Attenuation in the unsaturated zone and shallow groundwater: coupled modeling of vapor phaseort of organic pollutants has to account for vapor phase and sewage water transport coupled to the biogeochemical processes occurring. This study presents results from numerical simulations validated with data of a well-controlled field experiment on volatilization of a multi-component organic mixtu

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Enhancement of solute spreading in soils due to particle-facilitated transport and preferential flowdue to preferential flow and particle-facilitated transport in the vadose zone. Both effects are illustrated by means of a parameter study based on realistic input data. When coupled with biodegradation, preferential flow and particle-facilitated transport lead to an increase in the long-term concen

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Multiphase and Multi-component Interactions through the Unsaturated Saturated Zone Field and Model Sport of Trichloroethylene (TCE) through the unsaturated-saturated zone. Simulations, subject to isothermal conditions, addressed a threedimensional continuum involving three interacting mobile phases: aqueous, NAPL (Non-Aqueous Phase Liquids) and gaseous. The mathematical model considers water, air

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