Patents Assigned to Enviro Control Limited
  • Apparatus for and a method of treating organic waste
    Patent number: 7150832
    Abstract: The apparatus comprises an anaerobic digester for receiving organic waste, an aerobic digester, and a feed pump for pumping effluent from the anaerobic digester to the aerobic digester. The digesters each comprise a reaction vessel and each reaction vessel has a spray nozzle at or adjacent to its apex for spraying an anti-foam liquid at the contents of the vessel. A method of treating organic waste is also disclosed.
    Type: Grant
    Filed: April 9, 2004
    Date of Patent: December 19, 2006
    Assignee: Enviro Control Limited
    Inventor: David Anthony Stafford
  • Apparatus for and a method of treating organic waste
    Publication number: 20060138046
    Abstract: The apparatus comprises an anaerobic digester for receiving organic waste, an aerobic digester, and a feed pump for pumping effluent from the anaerobic digester to the aerobic digester. The digesters each comprise a reaction vessel and each reaction vessel has a spray nozzle at or adjacent to its apex for spraying an anti-foam liquid at the contents of the vessel. A method of treating organic waste is also disclosed.
    Type: Application
    Filed: April 9, 2004
    Publication date: June 29, 2006
    Applicant: ENVIRO CONTROL LIMITED
    Inventor: David Stafford