Abstract: Using the lattice Boltzmann method of multicomponent flows, this paper simulates the liquid mass transfer in the forced convection and diffusion in the rotating packed-bed, which is resulted from the column wire packing. By introducing a function reflecting the efficiency of the mixing, the relationships between the liquid mass transfer and the role of the convection in the wire packing are analyzed and compared for different sizes and forms. Numerical simulation results are valuable data for improving the packing design and studying the mass transfer in rotating packed-bed.