ASME Selects PCI Catalytic Combustor Paper for the ASME Gas Turbine Award

NORTH HAVEN, CT -- (June 6, 2005) -- Precision Combustion, Inc. (PCI) announced today that the 2003 ASME Gas Turbine Award was presented to Dr. Shahrokh Etemad, PCI's Gas Turbine Applications Manager, on behalf of the paper’s Precision Combustion and Solar Turbines authors at ASME Turbo Expo 2005 in Reno, Nevada. The paper, titled "Rich-Catalytic Lean-Burn Combustion for Low-Single-Digit NOx Gas Turbines" (GT2003-38129), was submitted to ASME Turbo Expo 2003, was selected by the Combustion and Fuels Committee for its Best Paper Award in the Applications category at ASME Turbo Expo 2004, and now has been selected for ASME's Gas Turbine Award. Each year, ASME selects a single paper to receive the Gas Turbine Award in recognition "for outstanding contributions to the literature of combustion gas turbines or gas turbines thermally combined with nuclear or steam power plants."

PCI's paper is on development and testing of a Rich-Catalytic Lean-Burn Combustor (patented and trademarked by PCI as RCL®) for power generation gas turbines, including work performed in close collaboration with Solar Turbines Incorporated in demonstrating catalytic combustion for Taurus 70 applications and operation in a modified Solar Saturn engine test rig. This patented catalytic combustor technology offers improved gas turbine combustion dynamics and ultra-low NOx emissions without post-combustion NOx controls. The technology uses a rich catalytic reactor, is fuel-flexible, and does not require a preburner for operation. During the testing, the 750 kW engine test rig demonstrated average NOx emissions of 2.1 ppm over the allowable operating range with CO emissions below 10 ppm and without significant combustion noise (less than 0.15% peak-to-peak).

The RCL® technology was originally developed under two Department of Energy (DOE) Small Business Innovative Research programs. It has subsequently received project support by DOE’s Distributed Energy Resources program for natural gas fueled ground power gas turbines, under which it is currently undergoing further development and engine testing. With separate DOE Fossil Engine Turbine support, PCI is also exploring application of the technology for ultra-low NOx combustion of coal-derived syngas and hydrogen fuel in Integrated Gasification Combined Cycle (IGCC) powerplants as well as for downhole steam generation for oil and gas production.

Kevin Burns, PCI's President commented "We are very pleased by this recognition by ASME of the quality of our team's work in developing this breakthrough technology, and of our successful collaborative work with Solar Turbines. We’re also grateful for the U.S. Department of Energy's sustained support for development of this technology, which offers clean and efficient combustion without need for costly SCR aftertreatment. We look forward to continuing our applications work with Solar Turbines and others as we migrate our RCL® technology to engine platforms." Authors of the paper included Lance L. Smith, Hasan Karim, Marco J. Castaldi, Shahrokh Etemad and William C. Pfefferle of PCI and Vivek K. Khanna and Kenneth O. Smith of Solar Turbines Incorporated.

Precision Combustion, Inc. ( is a clean energy technology company developing a range of catalytic devices and systems for clean and efficient combustion, pollution control and the chemical process industry. PCI currently focuses on RCL® catalytic combustors for gas turbines and for downhole steam generation, and Microlithfast response catalytic reactors for fuel processors, IC engine emissions aftertreatment, chemical reactors, and other applications. Customers of PCI include gas turbine, aerospace system, IC engine, fuel cell, and fuel reformer manufacturers as well as the U.S. government.

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