Chemistry: fertilizers – Processes and products – Organic material-containing
Patent
1985-10-15
1986-06-10
Lander, Ferris H.
Chemistry: fertilizers
Processes and products
Organic material-containing
71 36, 71 40, C05B 1500, C05C 900
Patent
active
045940908
ABSTRACT:
A method of making fertilizer comprising the steps of mixing an aqueous solution of sulfuric acid with diammonium phosphate in a weight ratio of diammonium phosphate to sulfuric acid from about 3 to about 5, and mixing the resulting reaction products with urea in a weight ratio of urea to sulfuric acid from about 7 to about 10. The resulting fertilizer has low corrosion properties and has a salt-out temperature below about 0.degree. F.
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