How Does Drum Rotation Speed Affect Material Separation and Throughput in Trommels? In solid waste processing, mining, and recycling industries, trommel screening machines play a vital role in separating materials based on size. These machines, also known as rotary screens, consist of a cylindrical drum that rotates to move and filter materials. Read more. https://maanenviro.com/how-does-drum-rotation-speed-affect-material-separation-and-throughput-in-trommels/