Preparation of a hexahydrated sodium tripolyphosphate with a...

Details Preparation of a hexahydrated sodium tripolyphosphate with a... Preparation of a hexahydrated sodium tripolyphosphate with a...

C - Chemistry, Metallurgy

01

B

23/64

C01B 25/41 (2006.01)

Patent

CA 1258960

ABSTRACT OF THE DISCLOSURE The invention concerns a hexahydrated sodium tripolyphosphate with a high absorption capability and a process for the preparation thereof. The tripolyphosphate is prepared by a process which includes taking a first anhydrous sodium tripolyphosphate of which the major part is in the form of phase 1 and spraying water or an aqueous medium thereover; taking a second anhydrous sodium tripolyphosphate essentially in the form of phase 2 and spraying water or an aqueous medium thereover; mixing the two tripolyphosphates thus treated; introducing the resulting mixture into water or an aqueous medium to form a suspension; and drying said suspension thereby producing hexahydrated sodium tripoly- phosphate. The product obtained may be used for detergent compositions.

483285

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