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Effects of Catalyst Coating Methods on NO Removal Characteristics of Functional Fabric Filters  

Kang, Min Pil (Department of Chemical Engineering, Chungnam National University)
Song, Yun-Seob (Department of Chemical Engineering, Chungnam National University)
Lee, Hyo Song (Department of Chemical Engineering, Chungnam National University)
Kim, Sang Do (Energy & Enviroment Research Dept., KIER)
Park, Young Ok (Energy & Enviroment Research Dept., KIER)
Hwang, Taek-Sung (Department of Chemical Engineering, Chungnam National University)
Rhee, Young-Woo (Department of Chemical Engineering, Chungnam National University)
Publication Information
Korean Chemical Engineering Research / v.40, no.6, 2002 , pp. 725-728 More about this Journal
Abstract
A series of fabric filters including P-84, Nomex and PTFE were coated with a commercial $V_2O_5/TiO_2$ catalyst as an effort to develop a functional fabric filter of simultaneous removal of dust and NOx. The coating methods employed are sol-gel coating method, spray coating method and dip coating method, and the effects of coating method on NOx removal performance of functional fabric filter were investigated. Experimental conditions are as follows: the temperatures of $100-250^{\circ}C$ which are the normal operating temperature range of fabric filters, the space velocity of $5,000hr^{-1}$, the oxygen concentration of 6%, and the $NH_3/NO$ ratio of 1.0. Results showed that the sol-gel coating method gave the best NOx removal performance mainly due to its ability in controlling the amount of catalyst and uniform coating.
Keywords
Functional Fabric Filter; NO Removal; Coating Method; SCR Catalyst;
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