NDLI: Low-temperature NO$_{ x }$ Selective Reduction by Hydrocarbons on H-Mordenite Catalysts in Dielectric Barrier Discharge Plasma

Content Provider	Springer Nature Link
Author	Fan, Hong Yu Shi, Chuan Li, Xiao Song Yang, Xue Feng Xu, Yong Zhu, Ai Min
Copyright Year	2008
Abstract	Toward achieving selective catalytic reduction of NO$_{ x }$ by hydrocarbons at low temperatures (especially lower than 200 °C), C$_{2}$H$_{2}$ selective reduction of NO$_{ x }$ was explored on H-mordenite (H-MOR) catalysts in dielectric barrier discharge (DBD) plasma. This work reported significant synergistic effects of DBD plasmas and H-MOR catalysts for C$_{2}$H$_{2}$ selective reduction of NO$_{ x }$ at low temperatures (100–200 °C ) and across a wide range of O$_{2}$ content (0–15%). At 100 °C, NO$_{ x }$ conversions were 3.3, 11.6 and 66.7% for the plasma alone, catalyst alone and in-plasma catalysis (IPC) cases (with a reactant gas mixture of 500 ppm NO, 500 ppm C$_{2}$H$_{2}$, 10% O$_{2}$ in N$_{2}$, GHSV = 12,000 h$^{−1}$ and input energy density of 125 J L$^{ −1}$), respectively. At 200 °C, NO$_{ x }$ conversions were 3.8, 54.0 and 91.4% for the above three cases, respectively. Also, strong signals of hydrogen cyanide (HCN) byproduct were observed in the catalyst alone system by an on-line mass spectrometer. By contrast, almost no HCN was detected in the IPC system.
Starting Page	43
Ending Page	53
Page Count	11
File Format	PDF
ISSN	02724324
Journal	Plasma Chemistry and Plasma Processing
Volume Number	29
Issue Number	1
e-ISSN	15728986
Language	English
Publisher	Springer US
Publisher Date	2008-12-31
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Plasma NO$_{ x }$ SCR DBD H-MOR catalysts Synergistic effect Nuclear Physics, Heavy Ions, Hadrons Inorganic Chemistry Mechanical Engineering Characterization and Evaluation of Materials Mechanics
Content Type	Text
Resource Type	Article
Subject	Chemistry Surfaces, Coatings and Films Condensed Matter Physics Chemical Engineering

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