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Vibratory separators are a traditional part of the classifying process of dry bulk powders. They sort materials by particle size through a screen. Traditionally fine powders have been separated using air classification, which uses the density of the material to separate it. However, through the combination of high quality woven wire mesh screens and the ultrasonic screen technology, vibratory separators are now able to separate much finer materials and offer an alternative to air classifiers for ceramics, plastic pellets, chemical catalysts, pharmaceuticals and many other applications. The vibratory separators also can be used to screen powders in different ways:

Security screening- used for quality assurance for removal of harmful contaminants and oversized material.

Sizing screening - used to classify material into different particle sizes.

Recovery screening - used to recover valuable materials in the waste stream for re-use.