Chemical deactivation of commercial vanadium SCR catalysts in diesel emission control application
Chemical Engineering Journal(2016)
Abstract
•Phosphorous and zinc were the primary chemical contaminants on Field returned vanadium SCR catalysts.•NOx conversion during the NH3-SCR reaction was lowered and altered by chemical contamination.•Chemical deactivation was mainly caused by NH3 storage capability reduction and oxidation activity modification.
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Key words
NOx,Selective catalytic reduction (SCR),Vanadium,Chemical contamination,Chemical deactivation
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