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Combined fuel and air staged power generation system

United States Patent

8,733,109
May 27, 2014
View the Complete Patent at the US Patent & Trademark Office
A method and apparatus for generation of electric power employing fuel and air staging in which a first stage gas turbine and a second stage partial oxidation gas turbine power operated in parallel. A first portion of fuel and oxidant are provided to the first stage gas turbine which generates a first portion of electric power and a hot oxidant. A second portion of fuel and oxidant are provided to the second stage partial oxidation gas turbine which generates a second portion of electric power and a hot syngas. The hot oxidant and the hot syngas are provided to a bottoming cycle employing a fuel-fired boiler by which a third portion of electric power is generated.
Rabovitser; Iosif K. (Skokie, IL), Pratapas; John M. (Naperville, IL), Boulanov; Dmitri (Buffalo Grove, IL)
Gas Technology Institute (Des Plaines, IL)
12/ 748,908
20110232292
March 29, 2010
The U.S. Government has a paid-up license in this invention and the right in limited circumstances to require the patent owner to license others on reasonable terms as provided for by the terms of Contract No. DE-FC26-05NT42649 awarded by the U.S. Department of Energy.