Process for the preparation of a powder detergent...

Details Process for the preparation of a powder detergent... Process for the preparation of a powder detergent...

C - Chemistry, Metallurgy

11

D

134/3.72

C11D 11/02 (2006.01) C11D 1/72 (2006.01) C11D 3/12 (2006.01) C11D 3/39 (2006.01) C11D 17/06 (2006.01)

Patent

CA 1236368

Abstract The invention relates to a process for the preparation of a nonionic surfactant containing powder detergent composition wherein a spray-dried sodium sulphate-free base powder containing a portion of the nonionic surfactant is obtained and the remaining portion of the nonionic surfactant is in part sprayed onto the base powder and in part added subsequently in a form obtained by granulation with a carrier containing a mixture of zeolite and alkali metal perborate monhydrate and wherein the other detergent components are added subsequently to the base powder. A detergent composition prepared in this manner has a high bulk density despite its high AD content.

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