Manufacture of detergent compositions

Details Manufacture of detergent compositions Manufacture of detergent compositions

C - Chemistry, Metallurgy

11

D

134/3.1

C11D 11/02 (2006.01) C11D 1/34 (2006.01) C11D 1/72 (2006.01)

Patent

CA 1083910

ABSTRACT Spray-dried fabric washing detergent powders based on nonionic surfactants are prepared by a process involving the step of injecting a phosphoric acid ester into the high pressure line carrying slurry to the spray-drying tower. The phosphoric acid ester is dissolved or dispersed in a nonionic surfactant such as a long chain alcohol ethoxylate and injected into the pressurised slurry either using a venturi effect or by being pressurised to a higher pressure.

273038

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