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US 2003/0110821 A1Published application
Process for manufacturing fertilizer
OwnerLawrence Alan Peacock, Donald R. Clarkinventors
Life of this patent
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Abstract
A method for preparing a granular fertilizer composition that includes reacting a phosphoric acid stream with ammonia in a pipe cross reactor to form a molten slurry, and discharging the molten slurry into a granulator to form the granular fertilizer composition. The phosphoric acid stream includes greater than 0.6 wt. % magnesium oxide, based upon the total weight of the reactant stream.
Claims10
A method for preparing a granular fertilizer composition comprising:
- (a) reacting a phosphoric acid stream with ammonia in a pipe cross reactor to form a molten slurry, said phosphoric acid stream comprising greater than 0.6 wt. % magnesium oxide, based upon the total weight of the reactant stream;
- and
- (b) discharging said molten slurry into a granulator.
Dependencies are inferred from the claim text.