When fluids with multiple chemical species are going through a porous media, the molecules bigger than the pore throat will be sieved; the movement of molecules approximate the pore throat size will be slowed down; the molecules much smaller than the pore throat will continue to behave like fluid.
DigiM designed multiphase flow simulation tools to predict this complex physics property on porous material captured by microscopic image, used in obtaining fundamental understanding of hydrocarbon migration and production, drug delivery, ion transport in energy storage, and industrial filtration.
Here is an example on asphaltene aggregation in rocks due to molecular fractionation (YouTube movie).
Contact us to discuss your multiphase flow challenges! We can help.