Ball mills and media mills are milling equipment that reduces particle size by tumbling a feed with grinding media such as balls, rods or other shapes. Ball mills are typically wet, batch units. Water...
Introduction
Grinding is the last stage in the process of comminution; in this stage the particles are reduced in size by a combination of impact and abrasion, either dry or in suspension in water.
Vertical roller mills use a vertically orientated crushing wheel or muller that revolves around a solid or perforated pan, or screen. Alternately, the pan can rotate or both the rollers and pan or...
Spices are normally ground in closed circuit with vibrating screens to meet a wide variety of particle size specifications. Some grinding mills such as high-speed comminutors are equipped with screens...
The demand for pharmaceutical materials including finely ground active substances and excipients is growing. Injectable drugs and dry powder inhalants require particle-size distributions in the range...