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US 2016/0244342 A1Published application
Iron-functionalized alginate for phosphate and other contaminant removal and recovery from aqueous solutions
AssigneeNDSU Research Foundation
InventorsAchintya Bezbaruah, Talal Bakheet Almeelbi, Michael Quamme
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Abstract
A biodegradable iron-crosslinked alginate is useful as a remediation agent for environmental contaminants such as phosphate. When charged with phosphate, or other nutrients, the iron-functionalized alginate can be used as an agricultural fertilizer.
Claims10
A method for increasing the nutrient content of a soil, the method comprising:
- applying a biodegradable material comprising iron-functionalized alginate and at least one sorbed nutrient, to a soil.
A method for making a fertilizer comprising:
- collecting from a remediation site a biodegradable material comprising
- an iron-functionalized alginate;
- and
- at least one sorbed contaminant;
- wherein the contaminant comprises a nutrient.
2 more elements
A fertilizer composition comprising a biodegradable material comprising iron-functionalized alginate and at least one sorbed contaminant, wherein the contaminant comprises a nutrient.
Dependencies are inferred from the claim text.