Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1991-08-22
1995-02-28
Lander, Ferris
Chemistry: fertilizers
Processes and products
Organic material-containing
71 13, 71 15, 71 21, 71 23, 71 24, 71 25, 71901, C05F 1300
Patent
active
053933176
ABSTRACT:
A method and apparatus for making organic based fertilizer, the method including mixing organic material with phosphate, potash, or other inorganics and water if necessary. Acid is mixed with the organic and inorganic material mixture and the resulting mixture is permitted to cure for a sufficient period of time to allow the acid to chemically break down the material of the mixture. A first quantity of ammonia is then added to the mixture, and a second quantity of ammonia is added to the mixture to produce the finished fertilizer product. Quantities of the various ingredients are adjusted to provide a fertilizer that has a desired percentage make-up of the major fertilizer elements for a specific crop.
REFERENCES:
patent: 3050383 (1962-08-01), Wilson
patent: 3929446 (1975-12-01), Trocino
patent: 3942970 (1976-03-01), O'Donnell
patent: 3966450 (1976-06-01), O'Neill et al.
patent: 4743287 (1988-05-01), Robinson
Lander Ferris
Reland Industries, Inc.
Smith David B.
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