Back to results
US 10,766,801 B2Granted
Method for treating animal waste
AssigneeEnviroKure, Incorporated
InventorWilliam Blaine
Life of this patent
Estimating the term…
Abstract
Methods and apparatus for the treatment of animal waste are disclosed, together with a treated animal waste and fertilizer and growth media products derived therefrom.
Claims19
A method for producing a liquid fertilizer from animal waste, the method comprising:
- a) adjusting moisture content and pH of the animal waste to produce an animal waste slurry comprising at least about 75 wt % moisture and a pH of about 5.5 or above;
- b) allowing components of the animal waste slurry to remain in contact for a period of time;
- c) reducing particle size of solids in the animal waste slurry;
- d) separating the animal waste slurry into a substantially liquid component and a substantially solid component;
- and
- e) subjecting the substantially liquid component to one or more processing steps comprising (1) aging the substantially liquid component to facilitate breakdown of solids remaining in the substantially liquid component (2) removing part or all of solids remaining in the substantially liquid component, and/or (3) reducing particle size of solids remaining in the substantially liquid component, thereby producing the liquid fertilizer;
- wherein steps b) through e) are conducted at a pH of about 5.5 or above.
4 more elements
Dependencies are inferred from the claim text.