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« Previous Abstract[Interspecific allelopathic effect of different organs' aqueous extracts of Betula platyphylla and Larix olgensis on their seed germination and seedling growth]    Next AbstractEffects of activated carbon fibre-supported metal oxide characteristics on toluene removal »

J Hazard Mater


Title:Activated carbon fibers impregnated with Pd and Pt catalysts for toluene removal
Author(s):Liu ZS; Chen JY; Peng YH;
Address:"Department of Safety, Health and Environmental Engineering, Ming Chi University of Technology, Taishan District, New Taipei City 24301, Taiwan, ROC. zsliu@mail.mcut.edu.tw"
Journal Title:J Hazard Mater
Year:2013
Volume:20130421
Issue:
Page Number:49 - 55
DOI: 10.1016/j.jhazmat.2013.04.007
ISSN/ISBN:1873-3336 (Electronic) 0304-3894 (Linking)
Abstract:"Few studies have investigated the use of activated carbon fibers (ACFs) impregnated with noble metals for the catalytic oxidation of volatile organic compounds (VOCs). This study determined the removal efficiency of toluene as a function of time over ACF-supported metal catalysts. Two catalysts (Pt and Pd), five reaction temperatures (120, 150, 200, 250, and 300 degrees C), and three oxygen contents (6%, 10%, and 21%) were investigated to determine the removal of toluene. To study the effects of the characteristics of the catalysts on toluene removal, the composition and morphology of the ACFs were analyzed using the BET, XPS, ICP, and FE-SEM. The results showed that the 0.42%Pd/ACFs showed greater activity for toluene removal than did 2.68%Pt/ACFs at a reaction temperature of 200 degrees C and an oxygen content of 10%. The main removal mechanism of toluene over the 2.68%Pt/ACFs at reaction temperatures less than 200 degrees C was adsorption. The long-term catalytic activity of the 2.68%Pt/ACFs for toluene removal at a reaction temperature of 250 degrees C and an oxygen content of 10% could be obtained. Furthermore, toluene removal over the 2.68%Pt/ACFs at 200 degrees C could be enhanced with increasing oxygen content"
Keywords:Air Pollutants/*chemistry Air Pollution/prevention & control Carbon/*chemistry Carbon Fiber Catalysis Oxygen/chemistry Palladium/*chemistry Platinum/*chemistry Surface Properties Temperature Toluene/*chemistry;
Notes:"MedlineLiu, Zhen-Shu Chen, Jian-Yuan Peng, Yu-Hui eng Research Support, Non-U.S. Gov't Netherlands 2013/05/15 J Hazard Mater. 2013 Jul 15; 256-257:49-55. doi: 10.1016/j.jhazmat.2013.04.007. Epub 2013 Apr 21"

 
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