Particle Size Reduction

The basic mechanical process of milling, also known as grinding, granulating, comminuting, etc., is generally used either:

A) to break apart clumps or agglomerates– that may have developed during storage, transportation, or handling of a given material without altering the average/mean size of the particles which make up the material, a process often referred to as deagglomeration;

B) to reduce the average/mean size of the particles in a given material, also known as particle size reduction.

Granumill options

Fluid Air GRANUMILL® milling systems can size reduce wet or dry powders in the range of 10 to 400 mesh (2000-27 microns). The systems are equipped with variable speed drives to permit low speed screening and high speed impacting with one milling system.

A typical Fluid Air milling system consists of an inlet, chamber with rotor, screen, and an outlet. The particle size distribution generated is dependent upon the speed of the rotor, rotor type, screen hole size and the feed rate of the product.

All of these parameters are critical and will affect the end particle distribution.

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