Patents Assigned to Belco
  • Process of removing nitrogen oxides from flue gases from a fluidized catalytic cracking unit
    Patent number: 6551565
    Abstract: A process for removing nitrogen oxides from flue gases of a fluidized catalytic cracking unit wherein the flue gas is introduced into a tertiary cyclone with percentages of separated solids being discharged in both the overflow and underflow from the cyclone, treating the overflow in a catalytic reduction unit to form an outlet gas and treating the underflow and outlet gas in a wet scrubber.
    Type: Grant
    Filed: December 6, 2000
    Date of Patent: April 22, 2003
    Assignee: Belco
    Inventors: Nicholas Confuorto, Kevin R. Gilman