Development and Performance Studies on Ion-Exchanged X-Zeolites as Catalysts for SI Engine Emission Control

971652

05/01/1997

Event
International Spring Fuels & Lubricants Meeting & Exposition
Authors Abstract
Content
Three catalysts based on X-zeolite have been developed by exchanging its Na+ ion with Copper, Nickel and Vanadium metal ions and tested in a stationary SI engine exhaust to observe their potentialities for NOx and CO controlling. The catalyst Cu-X, in comparison to Ni-X and V-X, exhibits much better NOx and CO reduction performance at any temperature. Maximum NOx conversion efficiencies achieved with Cu-X, Ni-X and V-X are 62.2%, 59.7% and 56.1% respectively. Unlike noble metals, the doped X-zeolite catalysts, studied here, maintain their peak NOx reduction performance through a wider range of A/F ratio. Back pressure developed across the catalyst bed is found to be well within the acceptable limits.
Meta TagsDetails
DOI
https://doi.org/10.4271/971652
Pages
16
Citation
Das, R., Bhattacharyya, S., Ghosh, B., and DuttaGupta, M., "Development and Performance Studies on Ion-Exchanged X-Zeolites as Catalysts for SI Engine Emission Control," SAE Technical Paper 971652, 1997, https://doi.org/10.4271/971652.
Additional Details
Publisher
Published
May 1, 1997
Product Code
971652
Content Type
Technical Paper
Language
English