Granulated fertilizer and slurry process therefor
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United States of America Patent
Stats
-
Jul 9, 1985
Grant Date -
N/A
app pub date -
Dec 15, 1983
filing date -
Dec 15, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A continuous process for the production of a granulated fertilizer wherein comminuted phosphate rock, phosphoric acid and water are introduced into a pre-reactor where they are heated. The mixture is continuously withdrawn and transferred to a digester where heating is continued resulting in formation of a slurry. The slurry is continuously withdrawn and is split into two streams, one of which is recycled to either the pre-reactor or to the digester while the other stream is delivered to a granulator where it is mixed with other fertilizer ingredients and dried to form the granulated fertilizer.
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Cited Art Landscape
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