Method of producing dry granular fertilizer and soil amendments

Details Method of producing dry granular fertilizer and soil amendments Method of producing dry granular fertilizer and soil amendments

1996-06-07

1998-05-12

Lander, Ferris

Chemistry: fertilizers

Processes and products

Forms or conditioning

71 6413, 71904, A01N 2500

Patent

active

057499365

ABSTRACT:
An improved continuous process for producing granular fertilizer and/or soil amendments resulting in a high quality granular product. A slurry of clay in water with a dispersant is prepared using intensive mixing. Dry components are intimately mixed with the slurry in a mixer. The mixture is fed into a granulator to produce granules within a desired range of granule sizes. The granules are dried in a dryer and screened to remove any granules of an undesired size. The undesired granules are recycled.

REFERENCES:
patent: T940014 (1975-11-01), Nichols et al.
patent: 2498480 (1950-02-01), Bierlich et al.
patent: 3041159 (1962-06-01), Smith
patent: 3062637 (1962-11-01), Marples et al.
patent: 3509066 (1970-04-01), Jacobs et al.
patent: 4318732 (1982-03-01), Sawyer, Jr.
patent: 4617048 (1986-10-01), Salladay et al.
patent: 4954155 (1990-09-01), Elrod et al.
patent: 5439497 (1995-08-01), Boles

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