Patents Represented by Attorney Jimmie D. Johnson

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  • Emission reduction method for use with a heat recovery steam generation system
    Patent number: 8220274
    Abstract: A system and method of maintaining an optimal temperature range for a catalyst section in a HRSG comprising placing a portion of the exhaust stream in a heat exchanger and superheater, diverting a second portion around the heat exchanger and superheater, combining the two portions and contacting the two portions with a catalyst section. Alternatively, a system of heat exchangers are employed to address the fluctuating exhaust temperature caused by the intermittent use of the duct burners.
    Type: Grant
    Filed: June 19, 2008
    Date of Patent: July 17, 2012
    Assignee: Johnson Matthey Inc.
    Inventors: Robert Bono, Rajashekharam V. Malyala, Alec Miller, Stephen J. Golden