Mixing

Mixing powder is a complex process and the distribution efficiency will strongly depend on the physical characteristics of the products.

Depending on the cohesiveness of the materials, the differences in bulk density and particles size, the selection of an appropriate mixer with a satisfying balance between mixing rate and segregation might be a huge challenge.

Mixing principles are mostly classified into three mechanisms:

• Diffusive mixing, which occurs when particles roll down a sloping surface
• Shear mixing, which occurs when slip zones are established in a powder
• Convective mixing, which occurs when circulation patterns are set up inside a bulk powder mass