Chemistry: fertilizers – Processes and products – Inorganic material
Patent
1980-12-08
1982-12-28
Jenkins, Robert W.
Chemistry: fertilizers
Processes and products
Inorganic material
71 641, 71 43, 366137, 366168, 366317, C05B 700, B01F 726
Patent
active
043659888
ABSTRACT:
A body of liquid, such as an aqueous fertilizer mixture, in a tank is stirred and mixed by apparatus which produces a pattern of recirculating flow including a zone of rapid streamline flow in the tank, preferably an upwardly diverging conical pattern and preferably at an eccentric point in the tank. An addition component in fluid state, such as anhydrous liquid ammonia, is injected into the rapidly flowing liquid in a plurality of fine streams from a stationary injection manifold so as to produce an intimate dispersion of finely divided addition fluid at spaced points in the mixture which is immediately carried away from the injection area and widely dispersed in the liquid mixture. When anhydrous ammonia is thus dispersed in a fertilizer mixture containing a suitable reactant, such as phosphoric acid (H.sub.3 PO.sub.4), the heat of vaporization of the finely dispersed ammonia is uniformly absorbed throughout the mixture, and there is a simultaneous exothermic reaction between the dispersed ammonia and the reactant which supplies heat to offset partially or wholly the heat loss produced by the vaporization. The overall reaction proceeds smoothly and quietly to produce a stable reaction mixture.
REFERENCES:
patent: 2520957 (1950-09-01), Peterson
patent: 2701193 (1955-02-01), Heudier
patent: 2868516 (1959-01-01), Moseley
patent: 2950171 (1960-08-01), Maco
patent: 3322505 (1967-05-01), Weber
patent: 3421879 (1969-01-01), Funk
Gallien Shelby W.
Gill Maurice P.
Graham J. Clifford
3G Corporation
Jenkins Robert W.
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