Process for improving the quality of urea-ammonium nitrate solut

Details Process for improving the quality of urea-ammonium nitrate solut Process for improving the quality of urea-ammonium nitrate solut

1979-03-30

1980-10-28

Schor, Kenneth M.

Chemistry: fertilizers

Processes and products

Organic material-containing

71 64C, 260555A, C05C 900, C05C 100

Patent

active

042304792

ABSTRACT:
A hot blended urea/ammonium nitrate solution is cooled to below about 170.degree. F., and then treated with nitric acid to substantially neutralize residual free ammonia, and thus reducing salting out temperatures in the treated solution, and reducing loss of urea.

REFERENCES:
patent: 2022672 (1935-12-01), Kniskern et al.
patent: 2022677 (1935-12-01), Kniskern et al.
patent: 2549430 (1951-04-01), Crittenden
patent: 2855286 (1958-10-01), Harvey
patent: 2951061 (1960-08-01), Gomory
patent: 3006755 (1961-10-01), Adams
patent: 3295927 (1967-01-01), Earley
patent: 3419378 (1968-12-01), Kearns
patent: 3746528 (1973-07-01), Johnson
patent: 4174379 (1979-11-01), Froehlich et al.
Sauchelli; Fertilizer Nitrogen; Reinhold Pub. Corp., N.Y.; 1964; pp. 259-260, 347-349.
Liquid Fertilizer Manual; NFSA, 910 Lehmann Bldg., Peoria, Ill.; 1967; pp. 17-1 through 17-3.

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