화학공학소재연구정보센터
학회 한국화학공학회
학술대회 2008년 봄 (04/23 ~ 04/25, 제주ICC)
권호 14권 1호, p.166
발표분야 공정시스템
제목 CFD Simulation of Selective Non-Catalytic Reduction (SNCR) by Urea Solution in NonSan Municipal Incinerator
초록 The Selective Non-Catalytic Reduction (SNCR) process has been applied popularly in stationary sources to reduce the nitrogen oxides (NOx) emissions. SNCR is considered as one of the advanced and viable post-combustion NOx control technologies due to its simplicity and low maintenance costs. The efficiency of SNCR NOx reduction depends much on the velocities of the flue gas, on the reaction temperature and on the mixing ability of the reagent. Furthermore, in order to apply it to a real case, it is necessary to identify the reagent injecting position because of the highly-sensitive NOx reduction efficiency on temperature.
In this work, the three-dimensional CFD simulation is performed to calculate the NOx efficiency of the SNCR process installed at the secondary combustor of a municipal incinerator. A turbulent-reacting CFD model with the droplet model is constructed so that the droplet trajectory can be calculated in the CFD model. The reduced chemical kinetics with seven global steps is used to predict the NO reduction, NH3 slip and N2O evolution.
저자 Thanh D. B Nguyen1, 임영일1, 김성준2, 엄원현2, 유경선2
소속 1한경대, 2광운대
키워드 NOx reduction; Selective Non-catalytic Reduction (SNCR); Computational Fluid Dynamics (CFD); Urea Solution; Droplet model; Incinerator.
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