화학공학소재연구정보센터
홈 로그인 로그아웃 연락처 사이트맵
Journal of Industrial and Engineering Chemistry, Vol.9, No.4, 341-347, October, 2003
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Direct Decomposition of NO over Plasma-Assisted Catalytic System Induced by Microwave Irradiation
Hyun-Seog Roh, Yong-ki Park, and Sang-Eon Park†
  • Chemical Technology Division, Korea Research Institute of Chemical Technology, Daejeon 305-600, Korea
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Direct decomposition of NO was carried out over plasma-assisted catalytic system (PACS) having both microwave absorbents for plasma generation and NO decomposition catalysts for the conversion of NO into N2 and O2; Co3O4 and SiC were used as microwave absorbents and Cu-ZSM-5 was used as a NO decomposition catalyst. Stable and light blue-colored plasma could be generated successfully in atmospheric condition over 95 wt% SiC/Cu-ZSM-5 and 25 wt% Co3O4/Cu-ZSM-5 PACSs by the irradiation of continuous microwave, which showed superior NO decomposition activity. More than 98% of NO was decomposed into N2 and O2 without the formation of N2O over 25 wt% Co3O4/Cu-ZSM-5 PACSs at GHSV > 45000 h(-1) and the apparent temperature of 280 ℃.
Keywords:decomposition of NO;microwave;plasma
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