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Activated carbon for control of nitrogen oxide emissions

Published online by Cambridge University Press:  03 March 2011

A.M. Rubel ,
M.L. Stewart  and
J.M. Stencel
A.M. Rubel
Affiliation:
Center for Applied Energy Research, University of Kentucky, 3572 Iron Works Pike, Lexington, Kentucky 40511-8433
M.L. Stewart
Affiliation:
Center for Applied Energy Research, University of Kentucky, 3572 Iron Works Pike, Lexington, Kentucky 40511-8433
J.M. Stencel
Affiliation:
Center for Applied Energy Research, University of Kentucky, 3572 Iron Works Pike, Lexington, Kentucky 40511-8433
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Abstract

Activated carbons were used to selectively remove NOx from simulated flue gas at temperatures between 25 and 125 °C. Processing conditions and physical/chemical characteristics of the carbons which affected NOx adsorption, storage, and release were investigated. Oxygen as a coreactant was necessary to maximize the conversion of NO to NO2 and condensation of NO2 within the pores of the carbons. A NO-to-NO2 conversion mechanism is presented and discussed relative to previous research. A process for selectively removing NOx and concentrating it as NO2 in an alternate process stream is outlined. The purified NO2 stream could be used for chemicals manufacturing.

Type
Environmentally Benign Materials and Processes
Information
Journal of Materials Research , Volume 10 , Issue 3 , March 1995 , pp. 562 - 567
Copyright
Copyright © Materials Research Society 1995

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