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標題: Evaluating the potential of CNT-supported Co catalyst used for gas pollution removal in the incineration flue gas
作者: Lu, C.Y.
Tseng, H.H.
Wey, M.Y.
Chuang, K.H.
Kuo, J.H.
關鍵字: Carbon nanotube
Organic compounds
Catalytic oxidation
flue gas
volatile organic-compounds
carbon nanotubes
activated carbon
palladium catalysts
3-way catalyst
期刊/報告no:: Journal of Environmental Management, Volume 90, Issue 5, Page(s) 1884-1892.
摘要: This study investigated the use of Cu/Al(2)O(3), Co/Al(2)O(3), Fe/Al(2)O(3), and Ni/Al(2)O(3) catalysts for the growth of carbon nanotubes (CNTs). These CNTs were used as support for Co catalyst preparation and Co/CNT catalysts were applied to a catalytic reaction to remove BTEX, PAHs, SO(2), NO, and CO simultaneously in a pilot-scale incineration system. The analyzed results of EDS and XRD showed low metal content and good dispersion characteristics of the Al(2)O(3)-supported catalysts by excess-solution impregnation. FESEM analyzed results showed that the CNTs that were synthesized from Co, Fe, and Ni catalysts had a diameter of 20 nm, whereas those synthesized from Cu/Al(2)O(3) had a diameter of 50 nm. Pilot-scale test results demonstrated that the Co/CNT catalyst effectively removed air pollutants in the catalytic reaction and that there was no obvious deactivation by Pb, water vapor, and coke deposited in the process. The thermal stabilization at 250 degrees C and hydrophobicity properties of CNTs enhanced the application of CNT catalysts in flue gas. (C) 2009 Elsevier Ltd. All rights reserved.
ISSN: 0301-4797
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