Patents Assigned to John A. Vallomy
  • Hazardous waste treatment method and apparatus
    Patent number: 6021723
    Abstract: A method and apparatus for heat treating of hazardous waste by heating the waste in a pyrolyzing chamber and forming an off-gas, heating the off-gas for a sufficient time to destroy dioxins and furans, then reducing and cooling the off-gas in a secondary treating chamber having a graphite stack and recovering metallics by distillation.
    Type: Grant
    Filed: June 4, 1997
    Date of Patent: February 8, 2000
    Assignee: John A. Vallomy
    Inventor: John A. Vallomy