Phosphoric acid ammoniation process to produce liquid fertilizer

Chemistry: fertilizers – Processes and products – Inorganic material

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71 43, 423309, C05B 700

Patent

active

043349072

ABSTRACT:
Phosphoric acid and ammonia are reacted together with additions of water when necessary in a reaction vessel to form a molten entrained stream reaction mixture to which a water quench is added to produce an ammonium polyphosphate liquid fertilizer.

REFERENCES:
patent: 3323863 (1967-06-01), Seymour
patent: 3419378 (1968-12-01), Kearns
patent: 3562778 (1971-02-01), Siegel et al.
patent: 3677734 (1972-07-01), Carroll et al.
Condensed Chem. Dict., Hawley, p. 688, Phosphoric Acid, 1971.
Phosphroic Acid, Phosphates & Phosphate Fertilizers, Waggaman, 1962, pp. 174-175.

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