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US 7,678,171 B2Granted
Process of preparing soil additive of fertilizer from fish
AssigneeHydraLogic Systems, Inc.
InventorsMichael Beckley, Parker Robinson, William Ormsby, Michael Neale
Life of this patent
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Abstract
A process for preparing fertilizer from fish, and a fertilizer prepared from said process, is disclosed. The fertilizer is for use on soil and plants. The process involves hydrolysis of fish with a phosphorus containing acid, preferably an inorganic phosphorus based acid, under normal ambient conditions. Typically, phosphoric acid is used. The fertilizer prepared from the disclosed process contains 1 to 10% by weight of the phosphorus based acid.
Claims16
A process for preparing a fertilizer from fish comprising the following steps performed under normal ambient conditions:
- (a) blending fish with water to form a mixture of fish and water;
- (b) mechanically treating the mixture of step (a) to reduce the mean particle size in the fish-water mixture of step (a);
- (c) hydrolyzing the fish-water mixture of step (b) under acidic conditions by addition of a phosphorus containing acid, a stable salt of a phosphorus containing acid or a hydrate thereof, and mixing under ambient conditions;
- and
- (d) filtering the mixture of step (c) and collecting the filtrate as the fertilizer.
2 more elements
Dependencies are inferred from the claim text.