On the Simplified Modeling of NO Formation in Technical Combustion Processes

[+] Author and Article Information
G. Kloeppner

Ruhr Oel GMBH, Werk Scholven, Pawikerstrasse 30, D-45896 Gelsenkirchen, Germany

R. Scholz, R. Jeschar

Institute of Energy Process Technology, Technical University Clausthal, D-38678 Clausthal-Zellerfeld, Germany

J. Energy Resour. Technol 117(2), 161-164 (Jun 01, 1995) (4 pages) doi:10.1115/1.2835333 History: Received January 10, 1994; Revised January 07, 1995; Online January 22, 2008


Measures reducing the NO formation by qualified firing (primary measures) are intensively investigated. Fundamental elements in this context are the staging of fuel and combustion air as well as the recirculation of exhaust gas, to control residence time and also temperature and concentration patterns. For prediction, but also for optimization and control of technical combustion processes, simplified models of NO formation are applicable and required. These models should be simplified in a way that allows on-line operation and is capable of reflecting sufficiently the process. The structure of such a model (kinetics, reactors) is described in the present paper. Introducing two model parameters (a characteristic process temperature and a fuel-NO parameter), the model has proved effective in predicting NO formation during combustion of natural gas and also visbreaker residue.

Copyright © 1995 by The American Society of Mechanical Engineers
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