Methane Combustion by A Full Scale Catalytic Combustor for Gas Turbines.

概要

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The methane combustion test at atmospheric pressure was carried out by using a full scale catalytic combustor with an improved Pd catalyst for 100MW gas tur-bine. The objective is to clarify the feasibility on application of high temperature catalytic combustion to gas turbines for the LNG combined cycle power plant system. The results can be summerized as follows:<BR>1) The manufactured full scale catalytic combustor consists of a reverse annular pre-burner, an annular mixer and Pd catalyst. The dimensions of combustor is 450mm in dia-meter and 800mm in length.<BR>2) Pd catalyst showed high activity in methane catalytic combustion and the combustion reaction proceeded enough at even lower temperatures corresponded to the compressed air temperature in gas turbine systems.<BR>3) The catalytic combustor showed excellent performance in methane combustion at atmospheric pressure. The NOx emission was extremely low and the combustion efficiency was approximately 100% in wide range conditions. As a result, catalytic combustion is ex-pected to be applied to gas turbine combustors.
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