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http://dx.doi.org/10.14478/ace.2011.22.4.433

NH3-based SNCR of NOx : Experimental and Simulation  

Cha, Jin Sun (School of Environmental Engineering, University of Seoul)
Park, Sung Hoon (Department of Environmental Engineering, Sunchon National University)
Jeon, Jong-Ki (Department of Chemical Engineering, Kongju National University)
Park, Young-Kwon (School of Environmental Engineering, University of Seoul)
Publication Information
Applied Chemistry for Engineering / v.22, no.4, 2011 , pp. 433-438 More about this Journal
Abstract
In this study, effects of temperature, NSR, and oxygen concentration on the $NO_x$ removal efficiency of an SNCR process were investigated experimentally as well as numerically using CHEMKIN-II program. The NO removal efficiency increased with the reactor temperature under oxygen-free condition, whereas when the oxygen concentration was 4%, the NO removal efficiency showed a maximum value at $900{\sim}950^{\circ}C$. The pressure of oxygen was shown to enhance the NO removal at low temperature. Regardless of the oxygen concentration, the NO removal efficiency increased with NSR. The temperature and NSR-dependencies of the NO removal efficiency predicted by CHEMKIN-II simulations were similar to that of the experimental results.
Keywords
$NO_x$; selective non-catalytic reduction (SNCR); CHEKIN-II simulation;
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