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Effect of Catalysis on Plasma Assisted Catalytic Removal of Nitrogen Oxides and Soot
Author(s) -
Peng X.,
Lin H.,
Huang Z.,
Shangguan W.
Publication year - 2006
Publication title -
chemical engineering and technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.403
H-Index - 81
eISSN - 1521-4125
pISSN - 0930-7516
DOI - 10.1002/ceat.200600113
Subject(s) - nox , catalysis , soot , chemistry , fourier transform infrared spectroscopy , inorganic chemistry , nitrogen , nitrogen oxide , infrared spectroscopy , chemical engineering , combustion , organic chemistry , engineering
An active perovskite‐type catalyst (La 0.8 K 0.2 Cu 0.05 Mn 0.95 O 3 ) was prepared and characterized using XRD, BET, and SEM. Then, the effect of catalysis on plasma assisted catalytic removal of nitrogen oxides and soot was investigated by combining temperature programmed reaction (TPR) and the analysis of Fourier transform infrared spectroscopy (FT‐IR). When the C 3 H 6 concentration in the feed gas is 0.27 %, the maximum NO x removal rate increases from 43.5 % to 72.2 % after adding catalyst. FT‐IR results indicate that the addition of catalyst will promote the removal of NO x , HC, and soot. There is still great amount of NO x and HC remaining after plasma reaction, little NO x and almost no HC after catalytic reaction, and no NO x and HC after plasma assisted catalytic reaction.

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