“…The optimization of liquid film flow pattern will be a monumental attempt to upgrade the conventional TBR. Zhang et al set up a nonuniform hypothesis in the simulation of an air-dense medium fluidized bed, described flow structure of the expansion process, and showed its effect on coal separation. Experimental results were given for fitting the axial sinusoidal distribution during expansion, where the values of adjusted R 2 ranged from 0.72 to 0.95.…”