Air-dense medium fluidized beds for separating 50-6 nim coal have been used successfully in commercial applications in China. In this study, the authors studied magnetically stabilized fluidized beds for separating fine coal (6-1 nun). The magnetic stabilization enhances the separation by preventing back mixing of the feed solids. This paper discusses the principle of coal separation in magnetically stabilized fluidized beds, the experimental system, and the separation results.