Process for coating detergent granules in a fluidized bed

Details Process for coating detergent granules in a fluidized bed Process for coating detergent granules in a fluidized bed

C - Chemistry, Metallurgy

11

D

C11D 17/00 (2006.01) B01J 2/00 (2006.01) B01J 2/04 (2006.01) B01J 2/16 (2006.01) C11D 11/00 (2006.01) C11D 17/06 (2006.01)

Patent

CA 2375494

A process for preparing coated detergent granules in a fluidized bed is provided. The fluidized bed is operated at a flux number of at least about 3.5 and/or a Stokes Number of greater than 1Ø Upon drying, the resultant detergent particles have improved appearance and flow properties and may be packaged and sold as a detergent material or mixed with various other detergent ingredients to provide a fully formulated detergent composition.

La présente invention concerne un procédé de préparation de granulés de détergent enrobés dans un lit fluidisé. Le lit fluidisé fonctionne avec un nombre de flux d'au moins environ 3,5 et/ou un nombre de Stokes supérieur à 1,0. Lors du séchage, les particules présentent une meilleure apparence et de meilleures propriétés d'écoulement et peuvent être emballées et vendues comme détergent, ou mélangées à d'autres ingrédients détergents afin de constituer une composition détergente complètement formulée.

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