Selective catalytic NOx reduction on Antimony promoted V2O5-Sb/TiO2 catalyst

期刊名字：稀有金屬
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論文作者：HA Heon Phil，CHUNG Soon Hyo，OH
作者單位：Metal Processing Research Center
更新時(shí)間：2022-12-12
下載次數(shù)：次

論文簡介

Quantum chemical calculation was carried out to choose a promoter which can reduce the poisoning of V2O5/TiO2 catalysts by SO2.Several atoms were chosen as candidates and new catalysts were synthesized by impregnation method.The NOx conversion rate was measured at temperatures between 100 and 400 ℃ and poisoning effect was investigated.The most promising candidate promoter, Se, was excluded because of its high vapor pressure.On the other hand, Sb shows best promoting properties.Sb promoted catalyst reaches the maximum NOx conversion rate at 250 ℃.It also shows considerably enhanced resistance to poisoning of V2O5/TiO2 catalysts by SO2.

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