Mechanism of Zn salt-induced deactivation of a Cu/activated carbon catalyst for low-temperature denitration <i>via</i> CO-SCR
Zhenjing Wen, Bangfu Huang, Zhe Shi, Zhengyu Yang, Meng Dai, Wanjun Li, Gaoyong Zi, Liubin Luo
Abstract
Zn slats compete with CO and NO for the active sites. Cl − not only occupies oxygen vacancies but also inhibits the O β migration. SO 4 2− increases the surface acidity and promotes the O β supplementation, which inhibits toxicity.
Topics & Concepts
CatalysisChemistrySelective catalytic reductionFlue gasInorganic chemistryActivated carbonAdsorptionOxygenX-ray photoelectron spectroscopySalt (chemistry)Incipient wetness impregnationChemical engineeringOrganic chemistrySelectivityEngineeringCatalytic Processes in Materials ScienceNanomaterials for catalytic reactionsMetal-Organic Frameworks: Synthesis and Applications