| 학회 |
한국화학공학회 |
| 학술대회 |
2021년 봄 (04/21 ~ 04/23, 부산 BEXCO) |
| 권호 |
27권 1호, p.1136 |
| 발표분야 |
촉매 및 반응공학 |
| 제목 |
1-D kinetic model predicting deNOx performance of OHC/SCR over Ag/Al2O3 catalyst |
| 초록 |
The selective catalyst reduction of NOx by urea or NH3 (urea-SCR) has been widely employed to control emissions from stationary and mobile sources. Modern aftertreatments have required direct use of unburned or reformed fuel, specifically oxygenated HC (OHC), as a reductant for the catalytic reduction of NOx. In this study, we developed the 1-D numerical kinetic model predicting the catalytic performance of the OHC/SCR over Ag supported on alumina catalysts. The L-H based elementary reactions were postulated with the surface intermediates such as -CH3CHO, -NH3, and -NCO. The model has predicted the conversions of NO and ethanol as well as the formations of ammonia and nitrous oxide as a function of the C1/NOx ratio and the reactor space velocity. Moreover, the numerical model is capable of simulating the promotional effect of hydrogen in the feed on the conversions of both NO and C2H5OH. Moreover, we validated the kinetic model particularly for the ethanol oxidation activity comparing the reactor data with a wide range of hydrogen concentration and Ag loading of the catalyst. |
| 저자 |
박효성1, 김영진2, 박재득2, 허일정2, 강성봉1
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| 소속 |
1광주과학기술원 지구환경공학부, 2한국화학(연) |
| 키워드 |
촉매 |
| E-Mail |
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| 원문파일 |
초록 보기 |
