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탄화수소 환원제 변화가 Fe/ZSM5 촉매를 사용하는 탈질 HC-SCR 반응에 미치는 영향
Effect of Change of Hydrocarbon Reductant on HC-SCR over Fe/ZSM5 Catalyst
- 김성수;
- 김대영;
- 오세용;
- 유승준;
- 박정환;
- 외 1명
초록
HC-SCR was conducted using Fe/ZSM5 catalyst coated over 200 cpi cordierite in the conditions of atomspheric pressure and 200℃-500℃. Among the tested hydrocarbon reductants, isobutane (i-C_4H_10) showed the highest de-NO_x yield of 69% at 320℃ with the mole ratio of reductant/NO_x =1.0. De-NO_x yield resulted by the change of alkane reductant was increased as the carbon number of alkane reductant was increased. The order of increase of de-NO_x yield was proportional to the order of decrease of bonding energy between C and H of reductant, where the H abstraction step from alkane molecule could be the rate controlling step of HC-SCR.
키워드
탄화수소-선택적 촉매반응; 탈질; 철/제올라이트5; 환원제; HC-SCR; de-NO_x; Fe/ZSM5; Reductant
- 제목
- 탄화수소 환원제 변화가 Fe/ZSM5 촉매를 사용하는 탈질 HC-SCR 반응에 미치는 영향
- 제목 (타언어)
- Effect of Change of Hydrocarbon Reductant on HC-SCR over Fe/ZSM5 Catalyst
- 저자
- 김성수; 김대영; 오세용; 유승준; 박정환; 김진걸
- 발행일
- 2011-04
- 저널명
- 한국수소및신에너지학회논문집
- 권
- 22
- 호
- 2
- 페이지
- 265 ~ 273