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US 12,297,155 B2Granted
Organic flocculant and fertilizer
AssigneeS2G Ventures Fund II, L.P.
InventorsSteven C. Slater, Mauricio Avila-Segura, Margaret F. Phillips, Lisa Leilani Z. Durand, Gary F. Zimmer
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Abstract
Provided herein is technology relating to organic fertilizers and particularly, but not exclusively, to organic and/or biodegradable flocculants, methods of preparing organic fertilizers using an organic and/or biodegradable flocculant, and systems for treating water using an organic and/or biodegradable flocculant to prepare an organic fertilizer.
Claims20
A method of producing an organic fertilizer, the method comprising:
- a) producing organic floc solids from anaerobic digester effluent, the producing including:
- priming the anaerobic digester effluent by adding a primer comprising boron to the anaerobic digester effluent to form a primed anaerobic digester effluent,
- adding a flocculant to the primed anaerobic digester effluent, and
- adding an activating agent comprising a cation to a mixture of the primed anaerobic digester effluent and the flocculant;
- b) separating the organic floc solids from the anaerobic digester effluent;
- and
- c) producing the organic fertilizer from the separated organic floc solids by one or both of granulating the organic floc solids and pelletizing the organic floc solids to produce the organic fertilizer.
4 more elements
Dependencies are inferred from the claim text.