Oxidation of NO to NO2 on a Pt-MFI zeolite and subsequent reduction of NOx by C2H4 on an In-MFI zeolite: a novel de-NOx strategy in excess oxygen
Abstract
Intermediate addition of reductant (C
2
H
4
) into an
NO+O
2
stream between an oxidation catalyst for NO to
NO
2
(Pt-MFI) and a reduction catalyst for
NO
x
to N
2
(In-MFI), a so-called IAR method,
is shown to be very effective in selectively reducing NO to N
2
in the presence of excess oxygen.
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