IGR Solid-State Electrochemical NOx Control for Natural Gas Combustion Exhaust Gases

[+] Author and Article Information
M. S. Hossain, M. Neyman, W. J. Cook

Helipump Corporation, Cleveland, OH 44141

A. Z. Gordon

IGR Enterprises, Beachwood, OH 44122

J. Eng. Gas Turbines Power 111(3), 394-397 (Jul 01, 1989) (4 pages) doi:10.1115/1.3240267 History: Received October 12, 1987; Online October 15, 2009


Solid-state electrochemical technology, embodied in the IGR process, is used to reduce nitrogen oxides (NOx ) to nitrogen and oxygen, and thereby control NOx emissions from natural gas powered engines. The IGR deNOx process is based on solid-state, flow-through, high surface area, porous oxygen ion conductive ceramic electrolytes. Recent bench-scale experiments conducted for the Gas Research Institute have demonstrated NOx reduction in multicomponent gas streams, the inert portion of which simulate natural gas combustion products. The reduction products were analyzed by in situ gas chromatography to verify NOx reduction rates inferred from electrochemical measurements. IGR process advantages compared with existing NOx control technologies are reviewed.

Copyright © 1989 by ASME
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