Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1988-06-14
1991-05-28
Lander, Ferris H.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 31, 71 37, 71 42, 71 43, 71 60, 71 61, 71 63, 71 6402, 71 6404, 71 6405, 71 6406, 71904, 426805, 426807, C05G 300, C05G 306, C05G 310
Patent
active
050191489
ABSTRACT:
A stepwise method of preparing homogeneous mineral granules for agriculture by coreaction of commodity acids and bases which have properties to chemically form a transient fluid adhesive which will harden to form a strong granule binding cement. Water may be added to improve the effectiveness of the adhesive. The transient fluid adhesive is comminuted by mechanically shearing, then particulate mineral solids are admixed mechanically to form a mass of plastic globules which is rolled to form spheroid granules and the fluid adhesive hardens to form the hardened binding cement. The method provides substantially dust-free and attrition resistant animal feed supplement, and plant food fertilizer and micronutrient granules. The commodity acids and bases include aqueous and anhydrous mineral and alkyl carboxylic acids and alkali and alkaline earth bases. The mechanical means of mixing, comminuting, and formation of closely sized plastic globules is accomplished by the shear forces between two surfaces running in opposite directions at high speeds close to each other.
REFERENCES:
patent: 2047373 (1936-07-01), Siems
patent: 4134750 (1979-01-01), Norton et al.
patent: 4175943 (1979-11-01), Jordaan et al.
patent: 4217128 (1980-08-01), Stinson et al.
patent: 4353730 (1982-10-01), Kinno et al.
The fluidized Drum Granulation Process, E. Vogel Paper Presented at British Sulfur's "Nitrogen 86" conference held at Amsterdam, The Netherlands, Apr. 20-23, 1986.
Agrinutrients Technology Group, Inc.
Lander Ferris H.
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