Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1995-02-21
1996-05-07
Lander, Ferris
Chemistry: fertilizers
Processes and products
Organic material-containing
71 24, 71 63, 71 6403, 71903, 23304, C05F 300, C05D 902, C05D 1100
Patent
active
055142010
ABSTRACT:
A process for forming a microelement deficiency-corrector comprising a mixture of trace elements, in hydrated sulfate form, optionally containing carbonates and including iron, magnesium, manganese and zinc, with the following typical elemental analysis: Magnesium 3.5-6%; iron 12-19%; Manganese 11.5%; zinc 0.2-0.3% and organic matter 0-45%.
The process comprises mixing 50-95% of the by-product of manufacture of titanium bioxide via sulfate, 5-10% alkaline earth carbonate or magnesite and, optionally, 10-45% organic matter, grinding the mixture, granulating it and drying it, cooling it and screening it.
The corrector is used in agriculture to prevent and control ferric chlorysis, to favour physiological processes of harvests in which iron takes part and to avoid deficiencies of manganese and zinc farmland.
REFERENCES:
patent: 3135595 (1964-06-01), Williams
patent: 3936292 (1976-02-01), Piccolo et al.
patent: 4328025 (1982-05-01), Whitcomb
patent: 4455161 (1984-06-01), Cohen et al.
patent: 4477323 (1984-10-01), Esna-Ashari et al.
patent: 4589906 (1986-05-01), Brunn et al.
Marijuan De Santiago Luis
Martin Blesa Generoso
Industrias Quimicas Gombau Y Martin, S.L.
Lander Ferris
Tioxide Europe, S.A.
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