Granulation in a fluidised bed

Details Granulation in a fluidised bed Granulation in a fluidised bed

C - Chemistry, Metallurgy

11

D

C11D 11/04 (2006.01) C11D 17/06 (2006.01)

Patent

CA 2195313

A process for the manufacture of detergent powders involving fluidising a particulate material comprising a neutralising agent, preferably in a fluid bed, contacting LAS acid with the fluidised material to effect neutralisation and optionally adding a flow aid to the material either prior, during or subsequent to the addition of LAS acid is disclosed.

Un procédé de fabrication de poudres détergentes consiste à fluidiser un matériau particulaire comprenant un agent de neutralisation, placé de préférence dans un lit fluide, à mettre en contact un acide d'alkylbenzène sulfonate linéaire (LAS) avec le matériau fluidisé pour produire une neutralisation et, à titre facultatif, à ajouter un adjuvant de fluidisation à ce matériau avant, pendant ou après l'adjonction d'acide LAS.

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