US Patent Issued to Swinergy on June 30 for "Processes and systems using a modular multi-stage anaerobic digester" (Minnesota Inventors)

ALEXANDRIA, Va., July 16 -- United States Patent no. 12,668,762, issued on June 30, was assigned to Swinergy Inc. (Minneapolis).

"Processes and systems using a modular multi-stage anaerobic digester" was invented by Eugene Alvey (Bloomington, Minn.), Shane Farnell (Prior Lake, Minn.) and Amy Crary (Fridley, Minn.).

According to the abstract* released by the U.S. Patent & Trademark Office: "Some variations provide a multi-stage process for anaerobic digestion of animal manure, comprising: providing a feedstock comprising animal manure; introducing feedstock with a hydrolytic microorganism to a hydrolysis stage; introducing feedstock with an acidogenic microorganism to an acidogenesis stage; introducing feedstock with a methanogenic microor...