Effective combination of non-thermal plasma and catalyst for removal of volatile organic compounds and NOx

• Published in: The Korean journal of chemical engineering Vol. 24; no. 3; pp. 522 - 526
• Main Authors: Jeon, Sang Goo, Kim, Kwang-Ho, Shin, Dae Hyun, Nho, Nam-Sun, Lee, Kyong-Hwan
• Format: Journal Article
• Language: English
• Published: 한국화학공학회 01.05.2007
• Subjects: 화학공학
• ISSN: 0256-1115; 1975-7220
• DOI: 10.1007/s11814-007-0092-9

gies. A two-plasma/catalyst hybrid system was used to decompose VOCs (toluene) and NOx at temperature lower than150oC. The single-stage type (Plasma-driven catalyst process) is the system in which catalysts are installed in a non-thermal plasma reactor. And the two-stage type (Plasma-enhanced process) is the system in which a plasma and a cat-alyst reactor are connected in series. The catalysts prepared in this experiment were Pt/TiO2 and Pt/Al2O3 of powdertype and Pd/ZrO2, Pt/ZrO2 and Pt/Al2O3 which were catalysts of honeycomb type. When a plasma-driven catalyst reactorwith Pt/Al2O3 decomposed only toluene, it removed just more 20% than the only plasma reactor but the selectivity ofCO2 was remarkably elevated as compared with only the plasma reactor. In case of decomposing VOCs (toluene) andNOx using plasma-enhanced catalyst reactor with Pt/ZrO2 or Pt/Al2O3, the conversion of toluene to CO2 was nearly100% and about 80% of NOx was removed. KCI Citation Count: 6