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US 12,252,404 B2Granted
Nutrient recovery from hydrothermal liquefaction biochar
AssigneeArizona Board of Regents on behalf of Arizona State University
InventorsShuguang Deng, Peter Lammers, Kodanda Phani Raj Dandamudi, Mark Seger
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Abstract
Processing algae includes liquefying algae to yield a mixture including biocrude oil, biochar, and an aqueous component, and treating the biochar to yield a nutrient composition including ammoniacal nitrogen and phosphate.
Claims17
A method of processing algae, the method comprising:
- liquefying algae to yield a mixture comprising:
- biocrude oil;
- biochar;
- and
- an aqueous component;
- separating the biochar from the mixture;
- and
- treating the biochar to yield a nutrient composition comprising ammoniacal nitrogen and phosphate,
- wherein treating the biochar comprises forming an aqueous mixture comprising the biochar and an algal growth medium.
6 more elements
Dependencies are inferred from the claim text.