Selective catalytic reduction by urea in a fluidized-bed reactor

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The selective catalytic reduction (SCR) of NOx by urea as a reducing agent was carried out over fresh and sulfated CuO/gamma-Al2O3 catalysts in a fluidized-bed reactor. The optimum temperature ranges for NO reduction on the fresh and sulfated CuO/gamma-Al2O3 catalysts were 300-350 degreesC and 400-450 degreesC, respectively. NO reduction with the sulfated CuO/gamma-Al2O3 catalyst was somewhat higher than that with the fresh CuO/gamma-Al2O3 catalyst. N2O formation increased with increasing reaction temperature. Ammonia (NH3) slip increased with increasing gas velocity and decreased with increasing reaction temperature. (C) 2003 Society of Chemical Industry.
Publisher
Wiley-Blackwell
Issue Date
2003-10
Language
English
Article Type
Article
Keywords

INSTALLATION FLUE-GASES; SOX/NOX-REMOVAL; NOX; CUO/GAMMA-AL2O3; AMMONIA; NH3; SORBENT; COPPER; OXIDE; AL2O3

Citation

JOURNAL OF CHEMICAL TECHNOLOGY AND BIOTECHNOLOGY, v.78, no.10, pp.1104 - 1109

ISSN
0268-2575
DOI
10.1002/jctb.910
URI
http://hdl.handle.net/10203/5624
Appears in Collection
CBE-Journal Papers(저널논문)
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