Power plants – Internal combustion engine with treatment or handling of... – Methods
Patent
1996-08-19
1998-01-27
Hart, Douglas
Power plants
Internal combustion engine with treatment or handling of...
Methods
60275, 60797, 60301, 60303, 422169, 422171, 4232137, F01N 220
Patent
active
057111472
ABSTRACT:
Non-thermal plasma gas treatment is combined with selective catalytic reduction to enhance NO.sub.x reduction in oxygen-rich vehicle engine exhausts.
REFERENCES:
patent: 3440800 (1969-04-01), Messen-Jaschin
patent: 3558286 (1971-01-01), Gourdine
patent: 4441971 (1984-04-01), Ishigure
patent: 4954320 (1990-09-01), Birmingham et al.
patent: 5155994 (1992-10-01), Muraki
patent: 5208205 (1993-05-01), Subramanian et al.
patent: 5236672 (1993-08-01), Nunez et al.
patent: 5419123 (1995-05-01), Masters
patent: 5424044 (1995-06-01), Kalka
patent: 5440876 (1995-08-01), Bayliss et al.
patent: 5474747 (1995-12-01), Hayashi et al.
patent: 5492678 (1996-02-01), Ota et al.
Hajo Suhr and Gert Weddigen, "Reduction of Nitric Oxide in Flue Gases by Point to Plane Corona Discharge with Catalytical Coatings on the Plane Electrode," Combust. Sci. and Tech., vol. 72, pp. 101-115 (year???).
B. M. Penetrante, "Plasma Chemistry and Power Consumption in Non-Thermal DeNO.sub.x," Non-Thermal Plasma Techniques for Pollution Control Part A-Overview, Fundamentals and Supporting Technologies, pp. 65-89 (1993).
Bernie M. Penetrante, Mark C. Hsiao, Bernard T. Merritt, George E. Vogtlin, and P. Henrik Wallman, "Comparison of Electrical Discharge Techniques for Nonthermal Plasma Processing of NO in N.sub.2," IEEE Transactions of Plasma Science, vol. 23, No. 4, pp. 679-687 (Aug. 1995).
Yoshiaki Kintaichi et al., "Selective Reduction of Nitrogen Oxides with Hydrocarbons over Solid Acid Catalysts in Oxygen-Rich Atmospheres," Catalysis Letters 6 pp. 239-244 (1990).
Hideaki Hamada et al., "Selective reduction of nitrogen monoxide with propane over alumina and HZSM-5 zeolite. Effect of oxygen and nitrogen dioxide intermediate," Applied Catalysis Letter, 70, pp. L15-20, (1991).
Hideaki Hamada et al., "Transition metal-promoted silica and alumina catalysts for the selective reduction of nitrogen monoxide with propane," Applied Catalysis Letter, 75, pp. L1-8, (1991).
R. Burch, P.J. Millington, and A.P. Walker, "Mechanism of the Selective Reduction of Nitric Oxide by Propene on Platinum-Based Catalysts in the Presence of Excess Oxygen," Symposium on NO.sub.x Reduction, 207th National Meeting, American Chemical Society, pp. 150-153, San Diego, CA Mar. 13-18, 1994.
Di-Jia Liu and Heinz J. Robota, "in situ XANES Characterization of Cu in Cu-ZSM-5 during Selective Catalytic Reduction of NO by Hydrocarbon," Symposium on NO.sub.x Reduction, 207th National Meeting, American Chemical Society, pp. 107-111, San Diego, CA Mar. 13-18, 1994.
Juan O. Petunchi and W. Keith Hall, "On the role of nitrogen dioxide in the mechanism of the selective reduction of NO.sub.x over Cu-ZSM-5 zeolite," Applied Catalysis Letter B2, pp. L17-L26, (1993).
Hiroyuki Yasuda et al., "IR Study of Catalytic Reduction of Nitrogen Monoxide by Propene in the Presence of Oxygen over Ce-Exchanged ZSM-5 Zeolite," Symposium on NO.sub.x Reduction, 207th National Meeting, American Chemical Society, pp. 199-102, San Diego, CA Mar. 13-18, 1994.
Hsiao Mark C.
Merritt Bernard T.
Penetrante Bernardino M.
Vogtlin George E.
Wallman P. Henrik
Hart Douglas
Main Richard B.
Sartorio Henry P.
The Regents of the University of California
LandOfFree
Plasma-assisted catalytic reduction system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Plasma-assisted catalytic reduction system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Plasma-assisted catalytic reduction system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-334447