Thermal ageing of a commercial LNT catalyst: Effects on the structure and functionalities
Abstract
Hydrothermal degreening and ageing procedures were applied to a tri-metal (Pt-Pd-Rh) fully formulated lean NOx Trap catalyst to evaluate the effects of thermal stress on the performances and structural properties. X-ray absorption fine structure (XAFS) analysis revealed that the average size of the platinum particles was the same after degreening and ageing treatments. The formation of a new phase of alloyed Pt-Pd was observed to increase with...
Paper Details
Title
Thermal ageing of a commercial LNT catalyst: Effects on the structure and functionalities
Published Date
Feb 1, 2022
Journal
Volume
384-386
Pages
228 - 237
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