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NOx Destruction Behavior of Select Materials When Combined with a Non-Thermal Plasma
Technical Paper
1999-01-3640
ISSN: 0148-7191, e-ISSN: 2688-3627
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English
Abstract
NOx reduction efficiency under simulated lean burn conditions is examined for a non-thermal plasma in combination with borosilicate glass, alumina, titania, Cu-ZSM-5 and Na-ZSM-5. The non-thermal plasma alone or with a packed bed of borosilicate glass beads converts NO to NO2 and partially oxidizes hydrocarbons. Alumina and Na-ZSM-5 reduce a maximum of 40% and 50% of NOx respectively; however, the energy cost is high for Na- ZSM-5. Cu-ZSM-5 converts less than 20% with a very high energy consumption. The anatase form of titania reduces up to 35% of NOx at a relatively high energy consumption (150J/L) when the catalyst is contained in the plasma region, but does not show any appreciable conversion when placed downstream from the reactor. This phenomenon is explained by photo-activation of anatase in the plasma.
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Authors
- M. Lou Balmer - Pacific Northwest National Laboratory
- Russ Tonkyn - Pacific Northwest National Laboratory
- Steven Yoon - Pacific Northwest National Laboratory
- Ana Kolwaite - Pacific Northwest National Laboratory
- Steve Barlow - Pacific Northwest National Laboratory
- Gary Maupin - Pacific Northwest National Laboratory
- John Hoard - Ford Motor Company
Citation
Lou Balmer, M., Tonkyn, R., Yoon, S., Kolwaite, A. et al., "NOx Destruction Behavior of Select Materials When Combined with a Non-Thermal Plasma," SAE Technical Paper 1999-01-3640, 1999, https://doi.org/10.4271/1999-01-3640.Also In
Non-Thermal Plasma for Exhaust Emission Control: Nox, Hc, and Particulates
Number: SP-1483; Published: 1999-10-25
Number: SP-1483; Published: 1999-10-25
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