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J Hazard Mater


Title:Study of catalytic decomposition of formaldehyde on Pt/TiO2 alumite catalyst at ambient temperature
Author(s):Wang L; Sakurai M; Kameyama H;
Address:"Kameyama & Sakurai Laboratory, Department of Chemical Engineering, Faculty of Engineering, Tokyo University of Agriculture and Technology, 24-16 Nakacho 2, Koganei-Shi, Tokyo, Japan. wang78@cc.tuat.ac.jp"
Journal Title:J Hazard Mater
Year:2009
Volume:20090110
Issue:1-Mar
Page Number:399 - 405
DOI: 10.1016/j.jhazmat.2008.12.129
ISSN/ISBN:1873-3336 (Electronic) 0304-3894 (Linking)
Abstract:"Formaldehyde (HCHO) emitted from buildings, furnishing materials and consumer products is one of the most dominant volatile organic compounds (VOCs) in an indoor environment. In this work, a Pt/TiO(2)/Al(2)O(3) catalyst was prepared on an anodic alumite plate and was employed in the catalytic decomposition of formaldehyde at ambient temperature. Firstly, TiO(2) was deposited on the anodic alumite plate with electro-deposition technology. Then, platinum was supported on the anodic alumite plate with wet impregnation method. The developed catalyst exhibits good activity towards the decomposition of HCHO at ambient temperature. TPR (temperature programmed reduction) and TPD (temperature programmed desorption) analysis results indicate that oxygen adsorbed on the Pt/TiO(2)/Al(2)O(3) catalyst can be activated and generated to O:Pt(surface) species quickly at ambient temperature. Hence, the developed catalyst experiences the high activity towards the catalytic decomposition of formaldehyde at ambient temperature. Moreover, in accordance with the process requirements, the developed catalyst can be formed into various shapes such as a mesh, plate, fin, serrate etc., because aluminum can be formed into any shapes. The serrate type catalyst was prepared in this work and it also exhibits fine activity towards the decomposition of HCHO"
Keywords:"Air Pollution, Indoor/*prevention & control Aluminum Catalysis Electrochemical Techniques Formaldehyde/*chemistry Platinum/*chemistry Temperature Titanium/*chemistry Volatile Organic Compounds;"
Notes:"MedlineWang, Lifeng Sakurai, Makoto Kameyama, Hideo eng Netherlands 2009/02/03 J Hazard Mater. 2009 Aug 15; 167(1-3):399-405. doi: 10.1016/j.jhazmat.2008.12.129. Epub 2009 Jan 10"

 
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