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. 2023 Feb;44(5):600-618.
doi: 10.1080/09593330.2021.1980827. Epub 2021 Oct 4.

Enhancement of performance and sulfur resistance of Si-doped V/W/Ti using sulfation for selective catalytic reduction of NOx with ammonia

Jong Min Won  1 , Min Su Kim  2 , Sung Chang Hong  2
Affiliations

Enhancement of performance and sulfur resistance of Si-doped V/W/Ti using sulfation for selective catalytic reduction of NOx with ammonia

Jong Min Won et al. Environ Technol. 2023 Feb.

Abstract

The SO2 resistance improvement factor was confirmed to form Si2+(Si-O-Ti) species.In the optimised V/SiW/TiO2 catalyst; the incoming SO2 was converted to Si(SO4).The formation of Si(SO4) increased active sites for adsorbed NH3, in the form of SO4-NH3 to improve denitrification efficiency.

Keywords: DMDMS precursor; NH3-SCR; SO2 resistance; Si-sulfate; Si2+(Si-O-Ti).

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