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Plasma-Facilitated SCR of NOx in Heavy-Duty Diesel Exhaust
Technical Paper
2001-01-3570
ISSN: 0148-7191, e-ISSN: 2688-3627
Annotation ability available
Sector:
Event:
Spring Fuels & Lubricants Meeting & Exhibition
SAE International Fall Fuels & Lubricants Meeting & Exhibition
Language:
English
Abstract
This paper describes two independent studies on γ-alumina as a plasma-activated catalyst. γ-alumina (2.5 - 4.3 wt%) was coated onto the surface of mesoporous silica to determine the importance of aluminum surface coordination on NOx conversion in conjunction with nonthermal plasma. Results indicate that the presence of 5- and 6- fold aluminum coordination sites in γ-alumina could be a significant factor in the NOx reduction process. A second study examined the effect of changing the reducing agent on NOx conversion. Several hydrocarbons were examined including propene, propane, isooctane, methanol, and acetaldehyde. It is demonstrated that methanol was the most effective reducing agent of those tested for a plasma-facilitated reaction over γ-alumina.
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Authors
- K. G. Rappé - Pacific Northwest National Laboratory
- C. L. Aardahl - Pacific Northwest National Laboratory
- C. F. Habeger - Pacific Northwest National Laboratory
- D. N. Tran - Pacific Northwest National Laboratory
- M. A. Delgado - Pacific Northwest National Laboratory
- L.-Q. Wang - Pacific Northwest National Laboratory
- P. W. Park - Caterpillar Inc.
- M. L. Balmer - Caterpillar Inc.
Citation
Rappé, K., Aardahl, C., Habeger, C., Tran, D. et al., "Plasma-Facilitated SCR of NOx in Heavy-Duty Diesel Exhaust," SAE Technical Paper 2001-01-3570, 2001, https://doi.org/10.4271/2001-01-3570.Also In
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