Beneficiated, heat-dried biosolid pellets
First Claim
1. An inorganically-augmented bioorganic fertilizer, comprising:
- one or more organic materials; and
a plant nutrient mixture incorporated into the organic materials, the plant nutrient mixture comprising at least one oxidant in an effective amount to control odor, at least one acid in an effective amount to inactivate bioactive substances present in the organic materials, between 8% and 22% by weight nitrogen, and one or more of calcium, phosphorous, potassium, sulfur, or iron.
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Abstract
This invention is directed to systems, devices and methods for modifying the process of producing dried biosolids pellets or granules into beneficiated inorganically-augmented bioorganic fertilizer. The present invention describes a method to beneficiate heat-dried biosolids or sludge pellets or granules as presently manufactured by municipalities or companies from a) dewatered municipal wastewater biosolids or sludges within the municipal wastewater treatment plant heat-dried biosolids production facility or from b) finished dry heat dried biosolids pellets or granules in a separate manufacturing facility from the municipal wastewater treatment plant to produce a fertilizer containing sufficient organic and inorganic plant nutrients to be valuable and saleable into the commercial agricultural industry. The present invention describes beneficiation methods to increase the plant nutrient content to a level which permits the finished beneficiated dried biosolids pellet or granule product to compete in the commercial agricultural fertilizer marketplace and also to reduce the odors associated with traditionally-produced heat dried biosolids.
179 Citations
18 Claims
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1. An inorganically-augmented bioorganic fertilizer, comprising:
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one or more organic materials; and a plant nutrient mixture incorporated into the organic materials, the plant nutrient mixture comprising at least one oxidant in an effective amount to control odor, at least one acid in an effective amount to inactivate bioactive substances present in the organic materials, between 8% and 22% by weight nitrogen, and one or more of calcium, phosphorous, potassium, sulfur, or iron. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17)
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18. An inorganically-augmented, bioorganic fertilizer with substantially reduced or no bioorganic odor, comprising:
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one or more organic materials containing inactivated bioactive substances; a binding or granulating agent mixed into the one or more organic materials; and a nutrient mixture incorporated into the one or more organic materials, the nutrient mixture comprised of 8-22% nitrogen, 0-14% phosphorous, 0-8% potassium, and 0-2% iron.
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Specification