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  • Title: Experimental study on a low-temperature SCR catalyst based on MnO(x)/TiO(2) prepared by sol-gel method.
    Author: Wu Z, Jiang B, Liu Y, Zhao W, Guan B.
    Journal: J Hazard Mater; 2007 Jul 16; 145(3):488-94. PubMed ID: 17188430.
    Abstract:
    A catalyst based on MnO(x)/TiO(2) was prepared by sol-gel method for low-temperature selective catalytic reduction (SCR) of NO with NH(3). Focusing on the effects of the operating parameters, the SCR reaction was investigated at temperatures from 353 to 523K under steady and transient states. Under the optimal conditions, the efficiency of NO removal could exceed 90% at temperature of 423K. Furthermore, within the range investigated, the reaction order of NO, NH(3), O(2) was determined to be 1, 0, and 0.5, respectively. Apparent activation energy was also calculated to be 38kJ/mol, lower than that for most of the catalysts reported by previous investigations.
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