KINETICS OF NO_x REDUCTION BY UREA SOLUTION IN A PILOT SCALE REACTOR
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概要
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The effects of urea molar ratio (1.0–2.0), reaction temperature and additives on NO reduction in flue gas have been determined in a pilot-scale flow reactor. A kinetic model is proposed for NO reduction rate with -NH and -CN in selective reducing agents (urea, cyanuric acid, ammonia). Two primary reactions can be expressed kinetically in the DeNOx process as:N.S. (nitrogenous species) + Ox (oxidants) → NO + … (kf; rate constant for NO formation)N.S. + NO → N2 + … (kr; rate constant for NO reduction)in which the rate constants of kf and kr in the model are determined from the experimental data in the temperature range 1173 K–1373 K as:kf = 4.01 × 1011 exp(–267/RT)kr = 7.24 × 1011 exp(–230/RT)The proposed model can predict the lowered activation energies caused by the addition of different species and molar ratio to NO.
- 1996-08-30
著者
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Lee Jung
Department Of Anesthesiology And Pain Medicine Chungnam National University Hospital
-
Kim Sang
Department Of Chemical Engineering And Energy & Environment Research Center Korea Advanced Insti
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Kim Sang
Department Of Chem. Eng. The University Of Seoul
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Lee Jung
Department Of Chemical Engineering And Energy & Environment Research Center Korea Advanced Insti
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