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한국산학기술학회논문지 = Journal of the Korea Academia-Industrial cooperation Society v.13 no.4, 2012년, pp.1923 - 1930   피인용횟수: 1
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전처리 조건 및 황산화물에 대한 Mn-Cu계 촉매의 탈질특성
NOx Removal of Mn Based Catalyst for the Pretreatment Condition and Sulfur Dioxide

박광희    (경기대학교 환경에너지시스템공학과   ); 유승한    (군산대학교 토목환경공학부   ); 박영옥    (한국에너지기술연구원   ); 김상웅    ((주)리드제넥스   ); 차왕석    (군산대학교 토목환경공학부  );
  • 초록

    Mn-Cu계 촉매를 사용하여 암모니아 SCR(Selective catalytic Reduction)공정에서 질소산화물 제거능을 측정하였다. 반응온도를 3가지 형태로 변화시키는 조건에서 촉매에 대한 초기반응온도의 영향을 조사하였다. 200, 300 그리고 $340^{\circ}C$ 에서 소성한 촉매를 사용하여 온도변화에 따른 질소산화물 전환율, 그리고 $H_2$ -TPR 시스템에서 온도변화에 따른 수소소모율을 측정하였다. 이산화황가스 공급유무를 조절함으로써 촉매에 대한 이산화황가스의 불활성화 효과를 파악하였다. $340^{\circ}C$ 이상의 온도에서 소성한 촉매는 열적쇼크에 의해 일부 불활성화되며, 이러한 불활성화 원인은 비표면적과 수소 전환율 결과로부터 추론할 수 있다.


    Mn-Cu catalysts were tested for selective catalytic reduction of NOx with NH3. Influence of initial reaction temperature was studied for NOx conversion in which reaction temperature was changed three patterns. NOx conversion of catalysts calcined at 200, 300 and $340^{\circ}C$ was measured during the changing temperature. Hydrogen conversion efficiency of calcined catalysts was also measured in the $H_2$ -TPR system. The deactivation effect of $SO_2$ on catalyst was investigated with the on-off control of $SO_2$ supply. The catalyst which calcined above $340^{\circ}C$ was somewhat deactivated with thermal shock. The reason of deactivation was draw from the results of surface area and hydrogen conversion.


  • 주제어

    Catalyst .   Sulfur Dioxide.  

  • 참고문헌 (25)

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  • 이 논문을 인용한 문헌 (1)

    1. Lee, Hyun Hee ; Park, Kwang Hee ; Cha, Wang Seog 2013. "Strength and conversion characteristics of DeNOx catalysts with the addition of dispersion agent" 한국산학기술학회논문지 = Journal of the Korea Academia-Industrial cooperation Society, 14(12): 6575~6580     

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