Production of ingredients for detergents and soap powders...

Details Production of ingredients for detergents and soap powders... Production of ingredients for detergents and soap powders...

C - Chemistry, Metallurgy

01

B

23/63, 23/64

C01B 25/41 (2006.01) C01B 25/42 (2006.01) C11D 3/06 (2006.01)

Patent

CA 1255471

ABSTRACT A process for production of alkali metal polyphosphates and/or pyrophosphates from an alkali metal orthophosphate comprises acidifying said orthophosphate with sulphuric acid, and then either (a) heating the reaction mixture to produce the desired products, and recovering said products from the reaction mixture, or (b) separating an intermediate from the reaction mixture, and heating the intermediate to form a desired product. The products are suitable for incorporation into detergents and soap powders.

472504

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