The demand for dry products in granular form is increasing. The GEA Niro Test Center has applied its extensive know-how from the closely related drying techniques of spray drying and fluidized bed drying to the development of a continuous process for producing granular products. The GEA Niro SPRAY FLUIDIZER™ is the solution for efficient production of high strength ceramic proppants. The product obtained from the Niro SPRAY FLUIDIZER™ is a non-dusty, non-caking, free-flowing granulate of high mechanical stability. The shape of the particles depends mainly upon the product characteristics. Some products form nearly perfect spherical particles. Others are more irregular in shape. The particle size distribution is controlled to suit individual requirements, typically ranging from 0.5 mm to 2 mm. The bulk density of the product is normally in the range of 30% to 50% of the particle density.