Water soluble caking inhibitors for ammonium phosphates

Chemistry: fertilizers – Processes and products – Inorganic material

Patent

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Details

71 63, 71 6412, 423267, 423310, 423312, C05B 700

Patent

active

055781071

ABSTRACT:
There is disclosed a caking inhibitor for mono-and diammonium phosphates which is water soluble and effective at small concentrations rendering the phosphates acceptable in most utilities without separation of the inhibitor. The inhibitor is sodium sulfate. Effective amounts of this salt range from about 0.5 percent to about 1 percent by weight in the ammonium phosphates. It is particularly advantageous that this salt is useful in both types of ammonium phosphates.

REFERENCES:
patent: 2770548 (1956-11-01), Hall et al.
patent: 3354092 (1967-11-01), Perry
patent: 5286272 (1994-02-01), Biamonte et al.

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