Dissolution of residual tetrachloroethylene in fractional wettability porous media: incorporation of interfacial area estimates
نویسندگان
چکیده
منابع مشابه
Influence of wettability and saturation on liquid-liquid interfacial area in porous media.
The knowledge of the area of interfaces between phases is important to understand and quantify many flow and transport processes in porous media. In this work, we apply the interfacial tracer technique to study the dependence of fluid-fluid interfacial area on saturation and wettability. The interfacial area between the wetting and the nonwetting phases (brine and decane) in unconsolidated poro...
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Two-dimensional multiphase flow and transport simulators were refined and used to numerically investigate the entrapment and dissolution behavior of tetrachloroethylene (PCE) in heterogeneous porous media containing spatial variations in wettability. Measured hydraulic properties, residual saturations, and dissolution parameters were employed in these simulations. Entrapment was quantified usin...
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We investigate the chemical dissolution of porous media using a 2D network model in which the system is represented as a series of interconnected pipes with the diameter of each segment increasing in proportion to the local reactant consumption. Moreover, the topology of the network is allowed to change dynamically during the simulation: As the diameters of the eroding pores become comparable w...
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The transport of reacting solutes in an equilibrium dissolution reaction leads to a moving boundary problem. Dependent on the boundary conditions we consider a two or three phase free boundary problem for a diiusion-convection and reaction process in a bounded domain. The system is driven out of equilibrium by a forced exchange of solutes with the exterior of the domain and is characterized by ...
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Accidental spillages or leakages of organic compound within the environment, released as non-aqueous phase liquid (NAPL), result a widespread contamination of subsurface soils and groundwater. In such multi-phase flow system in porous media, interphase mass transfer mainly governs the overall transport processes that occur in the interface between the two fluid phases. Air-liquid interfacial ar...
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ژورنال
عنوان ژورنال: Water Resources Research
سال: 2001
ISSN: 0043-1397
DOI: 10.1029/2000wr900374