Influence of Water Saturation on Adsorption Behavior at Liquid-Liquid Interfaces in Unsaturated Porous Media

Figure 1

Topologies of porous media with different water saturations. The solid grains were shown in white. The liquid in the nonwetting phase was shown in gray, the blue areas showed the flow paths, and the interface between gray and blue is the liquid-liquid interface, where the adsorption and desorption reaction occurred.

(a)

(b)

(c)

(d)