Process for producing ammonium phosphate in two stages

Details Process for producing ammonium phosphate in two stages Process for producing ammonium phosphate in two stages

1975-01-10

1976-08-10

Vertiz, Oscar R.

Chemistry of inorganic compounds

Phosphorus or compound thereof

Oxygen containing

71 43, 423310, C01B 1516, C01B 2526

Patent

active

039742636

ABSTRACT:
The present invention relates to a two stage process for preparing ammonium phosphates in which ammonia at a comparatively low pressure and recovered from within the process of the invention is reacted with phosphoric acid in the liquid phase to yield an immediate product which is then ammoniated further in the second stage under elevated pressure.

REFERENCES:
patent: 2902342 (1959-09-01), Kerley
patent: 2963359 (1970-12-01), Moore et al.
patent: 3310371 (1967-03-01), Lutz
patent: 3734708 (1973-05-01), Burns

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