US Patent Issued to Arizona Board of Regents on behalf of Arizona State University on March 18 for "Nutrient recovery from hydrothermal liquefaction biochar" (Arizona Inventors)

ALEXANDRIA, Va., March 19 -- United States Patent no. 12,252,404, issued on March 18, was assigned to Arizona Board of Regents on behalf of Arizona State University (Scottsdale, Ariz.).

"Nutrient recovery from hydrothermal liquefaction biochar" was invented by Shuguang Deng (Mesa, Ariz.), Peter Lammers (Tempe, Ariz.), Kodanda Phani Raj Dandamudi (Tempe, Ariz.) and Mark Seger (Gilbert, Ariz.).

According to the abstract* released by the U.S. Patent & Trademark Office: "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."

The patent was filed on Jan. 27, 2023, under Applic...