3Xu HD, Wang Y, Cao Y, et al. Catalytic performance of acidic zirconium - based composite oxides monolithic catalyst on selective catalytic reduction of NOx with NH3 [J]. Chem Eng J, 2014,240(1) :62 - 75.
4Weidong Fan. Impact of air staging along furnace height on NOx emissions from pulverized coal combustion, Fuel Pro-cessing Technology, Vol. 91, NO. 6,2010 : 625 - 634.
5Leicht M, Schott F, Bruns M, et al. NOx reduction by H2 on WO3/ZrO2 supported Pd catalysts under lean condi- tions [J]. Appl Catal B - Environ, 2012 ( 117 - 118 ) : 275 - 282.
