Heon Phil Ha

Unlocking the Significance of High H2O Resistance for Nickel Vanadate Phases to Improve Kinetic Parameters or Consequences of Catalytic NOX Reduction and Poison Pyrolysis Seokhyun Lee, Heon Phil Ha, Jung-Hyun Lee and Jongsik Kim Abstract Anthropogenic flue gases consist of NOX/SO2/H2O, among which H2O resistance is often underrated in activating acidic/redox cycles of NH3-assisted catalytic NOX reduction (SCR), SO2/H2O-induced evolution of ammonium (bi)sulfate (AS/ABS) poisons, or AS/ABS...

NOX reduction consequences of lanthanide-substituted vanadates functionalized with S or P poisons under oxidative environments Rare-earth metal vanadates (RMVO4) typically possess an iso-structural tetragonal architecture but vary in terms of their Lewis acidic (LA) properties, which depend on the nature of the RM element.

FeVO (Fe ) is a particular class of metal vanadates that has recently highly-profiled as an active site to selectively reduce NO with NH (NH -SCR). This primarily results from NO /NH -accessible VO anions and an electronic inductive effect between the Fe and V species, leading to the formation of abundant catalytic defects available to turnover NO .