Process for preparing high bulk density detergent compositions

Details Process for preparing high bulk density detergent compositions Process for preparing high bulk density detergent compositions

C - Chemistry, Metallurgy

11

D

134/3.7

C11D 17/06 (2006.01) C11D 1/02 (2006.01) C11D 11/00 (2006.01) C11D 11/04 (2006.01)

Patent

CA 2026156

A process for preparing a granular detergent composition or component having a bulk density of at least 550 g/l, which comprises (i) feeding a liquid acid precursor of an anionic surfactant, a solid water-soluble alkaline inorganic material and optionally other materials into a high-speed mixer/densifier, the mean residence time being from about 5 to 30 seconds; (ii) subsequently treating the granular detergent material in a moderate-speed granulator/densifier, whereby it is brought into or maintained in a deformable state, the mean residence time being from about 1-10 minutes; and finally (iii) drying and/or cooling the detergent material.

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