1982 Nioh Mitsui 4353709 Granulation Process spouted bed

This invention describes a granulation process comprising dropping as liquid droplets the melt through a zone having sufficient vertical distance to allow solidification of the droplets, forming a fluidized bed, spraying the same or a different melt as fine grains along with the a gas stream into a fluidized bed thereby forming a spouted bed of the solidified droplets in the fluidized bed , coating and enlarging the solidified droplets within the fine liquid grains inside the spouted bed.


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