Title: Phosphoric acid ammoniation process to produce liquid fertilizers

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.

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Inventors: Ellis, John D. (Upland, CA)
Crichton, George (Guadalajara, NM)
Godwin, Millard C. (Lakeland, FL)
Morris, George C. (Lakeland, FL)

Application Number: 06/110152
Filing Date: 1980-01-07
Publication_date: 1982-06-15
Assignee: LEATHER S CHEMICAL COMPANY LIM

Primary Class(es): 71/34 71/43, 423/309
Other Classes: B01J4/00; B01J10/00; B01J19/00; C01B25/40; C01B25/00; C05B7/00
US Patent Ref:

3323863	June, 1967	Seymour	71/43	Ammonium phosphate fertilizer process
3419378	December, 1968	Kearns	71/34	Method of producing monoammonium phosphate by reacting phosphoric acid and ammonia under pressure
3562778	February, 1971	Siegel et al.	71/34
3677734	July, 1972	Carroll et al.	71/34

Other Refs: GB1001984

August, 1965

71/34

Other References: Condensed Chem. Dict., Hawley, p. 688, Phosphoric Acid, 1971.
Phosphroic Acid, Phosphates & Phosphate Fertilizers, Waggaman, 1962, pp. 174-175.

Primary Examiner: Bashore, Leon S.
Assistant Examiner: Lander, Ferris H.
Attorney: Bisson, Barry A.
Patrick, William N.

Parent Case Data:

This is a continuation of application Ser. No. 11,973, filed 2/1