Patents Assigned to United States Environmental Resources, Corp.
  • Method for wastewater treatment
    Patent number: 4615807
    Abstract: Disclosed is a method for treating sewage wastewater comprising in lieu of activated sludge treatment mixing into wastewater a bactericidally effective and disinfectant amount of a formulation comprising compounds selected from the group consisting of quaternary organic ammonium halides or mixtures thereof and an organo-tin disinfectant compound. A plant employing the above method is also disclosed.
    Type: Grant
    Filed: July 23, 1985
    Date of Patent: October 7, 1986
    Assignee: United States Environmental Resources, Corp.
    Inventors: Frederick T. Haines, David Forte