Detergent powders and process for their preparation

Details Detergent powders and process for their preparation Detergent powders and process for their preparation

C - Chemistry, Metallurgy

11

D

134/3.72

C11D 3/10 (2006.01) C11D 1/22 (2006.01) C11D 1/68 (2006.01) C11D 3/08 (2006.01) C11D 3/20 (2006.01) C11D 7/14 (2006.01) C11D 11/02 (2006.01)

Patent

CA 1298164

C.3112 US ABSTRACT Detergent powders built with sodium carbonate and having improved flow properties are prepared by a process in which a selected acid, for example, succinic acid or alkylbenzene sulphonic acid, is added to a slurry in order to transform sodium carbonate into needle-like crystals of sodium sesquicarbonate, and the slurry is then dried, preferably spray-dried, to form a powder.

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