Agglomeration process for making a detergent composition...

C - Chemistry – Metallurgy – 11 – D

Patent

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Details

C11D 11/02 (2006.01) C11D 11/00 (2006.01) C11D 17/06 (2006.01)

Patent

CA 2198095

The present invention provides a process which produces high density detergent compositions especially suitable for commercialization as a compact detergent product. The process can be easily retrofitted into existing spray drying detergent-making production plants in that it utilizes existing equipment so as to economize the transition from "tower" based to "non-tower" based detergent manufacturing plants. The process comprises the steps of: (a) agglomerating starting detergent ingredients in a mixer/densifier such that detergent agglomerates having a density of at least 650 g/l are formed; (b) conditioning the agglomerates in a spray-drying tower so as to enhance the free flowability of the detergent agglomerates; and (c) admixing adjunct detergent ingredients in the detergent agglomerates, thereby producing the high density granular detergent composition.

L'invention concerne un procédé pour fabriquer un détergent haute densité commercialisable en tant que détergent concentré. Le procédé peut facilement être mis en oeuvre dans des installations de fabrication de détergent existantes comprenant une tour de séchage, ce qui évite les coûts associés à la transformation d'une installation de fabrication avec tour en une installation de fabrication sans tour. Le procédé consiste: (a) à agglomérer les matières premières du détergent dans un appareil de mélange et d'agglomération produisant un détergent aggloméré ayant un poids spécifique d'au moins 650 g/l, (b) à conditionner le détergent aggloméré dans une tour de séchage pour augmenter son aptitude à l'écoulement et (c) à ajouter les additifs/adjuvants au détergent aggloméré. On obtient ainsi un détergent granulé haute densité.

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