A de-dusting device for removing fines from pellets, granules and coarser powders

Abstract

Customers buying materials in granular form dislike the fact that the delivered materials contain any dust, which can lead to poor product quality, a poor working envi-ronment, or even to handling hazards. In granular filters the filter media can be re-used several times if the accumulated dust can continuously be removed outside the filter.The results of both de-dusting LDPE pellets, and of an artificially made contaminated sand, using a device designed and developed at the Telemark Technological R&D Centre, show that the device performs efficiently in both cases, although further development is still necessary.