To investigate the effect of titanium dioxide on the performance of composite denitration catalyst,the denitration catalyst were prepared and analyzed under the coudition of high-temperature.At high temperatures,as time increases,the specific surface area of the catalyst gradually decreases,the peak height increases,the denitrification efficiency decreases,and the surface area reaction amount first decreases and then increases.The denitration catalyst produced by titanium dioxide has good stability at high temperature.The denitrification efficiency shows a decreasing trend with the extension of high-temperature treatment time.It can be seen that the decrease in denitrification activity is mainly caused by the decrease in catalyst specific surface area.
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