C - Chemistry – Metallurgy – 01 – B
Patent
C - Chemistry, Metallurgy
01
B
23/64
C01B 25/41 (2006.01)
Patent
CA 1170432
ABSTRACT OF THE DISCLOSURE: The disclosure relates to a process for making granular sodium triphosphate of high abrasion resistance. To this end, the disclosure provides for sodium ortho- phosphate to be subjected to a one-stage spray-drying operation inside a heated spray tower by means of a nozzle with condensation of the orthophosphate. More particularly tho orthophosphate is sprayed jointly with a solution of a high molecular weight phosphate of sodium, potassium or ammonium.
397972
Haas Hans
Kowalski Werner
Fetherstonhaugh & Co.
Hoechst Aktiengesellschaft
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