Fertilizer concentrate

Details Fertilizer concentrate Fertilizer concentrate

1975-02-24

1976-10-05

Hart, Charles N.

Chemistry: fertilizers

Processes and products

Inorganic material

71 63, 71 64C, 423550, C05C 300

Patent

active

039842266

ABSTRACT:
A fertilizer concentrate and process for making same in which a sulfuric acid solution contacts an ammonia containing gas to produce a liquid non-crystalline ammonium sulfate. The reaction takes place in an absorber wherein the reactants are maintained at about 120.degree.F., the outlet stream from the reactor being split into two streams, one of which is recycled to the absorber and the other of which is recycled to a circulation tank for sulfuric acid make-up. The weight percent of ammonium sulfate in the final solution is in the range of about 35% to about 42% by weight.

REFERENCES:
patent: 952560 (1910-03-01), Caro
patent: 2595104 (1952-04-01), Schulte
patent: 2862789 (1958-12-01), Burgess
patent: 2966394 (1960-12-01), Van Ackeren
patent: 3408157 (1968-10-01), Miller

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