Patents Assigned to Hesco Sustainable Energy, LLC
  • Patent number: 7718064
    Abstract: The invention provides improved methods of wastewater purification. The present invention provides a process for the energy efficient production of Class A biosolids. More particularly, sewage sludge is subjected to an anaerobic digestion process resulting in class A biosolids, whereby methane gas byproducts are utilized to meet the high energy demands associated with Class A biosolid production.
    Type: Grant
    Filed: February 15, 2007
    Date of Patent: May 18, 2010
    Assignee: Hesco Sustainable Energy, LLC
    Inventors: Kevin S. Livingston, Glenn T. Hummel