Process for making granular detergent composition

Details Process for making granular detergent composition Process for making granular detergent composition

C - Chemistry, Metallurgy

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134/3.72

C11D 1/72 (2006.01) C11D 1/94 (2006.01) C11D 11/02 (2006.01) C11D 1/722 (2006.01) C11D 1/92 (2006.01)

Patent

CA 1083460

PROCESS FOR MAKING GRANULAR DETERGENT COMPOSITIONS Rodney M. Wise Donna M. Derstadt ABSTRACT OF THE DISCLOSURE A process for the preparation of spray-dried granular detergent compositions containing an ethoxylated nonionic surfactant and a zwitterionic surfactant, wherein the degradation of the zwitterionic surfactant during process- ing is minimized, is disclosed. In the process, the nonionic and zwitterionic components are intimately mixed, in the absence of alkaline components, prior to their addi- tion to an aqueous alkaline crutcher mix, which is formed into detergent granules by spray-drying.

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