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Glossary

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additives
Small doses of additional components which have an effect on the properties of the product to be processed.
agglomerate
Clusters (accumulations) of aggregate and/or primary particles in a relatively loose, inconsistent compound.
aggregate
Tightly coalesced primary particle compound; all surfaces of the crystals are linked.
agitator bead mill
Agitator bead mills are also known as sand mills, pearl mills (grinding pearls) or attrition mills.
agitator speed
The agitator speed indicates how many revolutions the agitator completes in a certain period of time.
bead mill
Ball mills are machines for crushing dry or suspended feedstock.
bulk density
Indicates the density of a mixture of a solid and a continuous fluid (can also be air), that fills in the hollow spaces between the particles.
cascade operation
Cascade operation is also based on a multiple pass principle.
circulation operation
Circulation operation is a very simple, cost-effective method, where the product is pumped at ...
continuous operation
In continuous operation, "operated in throughfeed", product is continuously fed into the grinding chamber of a grinding unit via an inlet and discharged at the outlet.
crushing
The process of crushing generally describes the shifting of the particle size distribution into a finer size range.
de-aeration
Removal of entrained gas from free-flowing media, e.g. through the vacuum – thin-film process using a de-aerator.
density
The density refers to the mass-to-volume ratio of a body.
different types of dispersion
Dispersions are heterogeneous mixtures of at least two barely soluble or coalescing substances. One substance, the disperse phase, is distributed as finely as possible in another substance, the dispersion phase.
dilatancy
Denotes the flow characteristics of a liquid that exhibits higher viscosity with increasing shearing stress.
disagglomeration
Crushing of agglomerates down to aggregates/primary particles. For this purpose, the bonding forces (surface forces) must be broken down.
discontinuous operation
In discontinuous operation the product is fed into a grinding media-filled grinding chamber one time and processed for a certain period of time.
dispersing
Wetting, separation and stabilization of primary particles.
dispersion
Dispersions are heterogeneous mixtures of at least two barely soluble or coalescing substances.
dissolver
Dissolvers are high-efficiency dispersing machines with a high-speed dispersing tool, e.g. a toothed disk.